Slide 1

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 2

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 3

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 4

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 5

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 6

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 7

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 8

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 9

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 10

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 11

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 12

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 13

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 14

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 15

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 16

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 17

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 18

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 19

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 20

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 21

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 22

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 23

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 24

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 25

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 26

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 27

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 28

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 29

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 30

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 31

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 32

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 33

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 34

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 35

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 36

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 37

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 38

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 39

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 40

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 41

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 42

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 43

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 44

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 45

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 46

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 47

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 48

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 49

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 50

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 51

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 52

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 53

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 54

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 55

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 56

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 57

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 58

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 59

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 60

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55


Slide 61

Dogs (Canis familiaris) are most
closely related genetically to
which of the following
organisms?
A African hunting dog (Lycaon
pictus)
B Gray wolf (Canis lupus)
C Grizzly bear (Ursus arctos)
D Domestic cat (Felis catus)
1

The primary way liquids
and gases transmit heat
is by the process of —
F reflection
G conduction
H radiation
J convection
2

Then a
body of water.

Forest- 1st
During a severe drought a dry lake was explored for
fossils. The diagram represents the fossils
uncovered and the layers they were in. According to this
information, this area was once a —
A forest that was replaced by a freshwater lake
B freshwater lake that was replaced by a desert
C saltwater sea that was replaced by a forest
D freshwater lake that was replaced by a forest
3

A laboratory investigation included
examining prepared slides of pond water.
Single-celled organisms with a nucleus and
either cilia or flagella were visible. These
organisms probably belong to the kingdom
—
These 3 kingdoms
are normally
multicellular,
F Animalia though there are
unicellular
G Fungi some
fungi, but the fungi
H Plantae would not have
cilia or flagella.

J Protista

4

If there are 4 electrons and 4 protons,
the element’s atomic number is 4.

The picture shows a model of
the element —
A fluorine
B helium
C beryllium
D oxygen
5

Which of these is a hypothesis that can be
tested through experimentation?
You can measure amounts of bacteria
andincreases
you can measure
temperature.
growth
exponentially

F Bacterial
as temperature increases.
G A fish’s ability to taste food is affected by
can
the clarity of aquarium water. How
these be
H Tadpoles’ fear of carnivorous measured?
insect
If they can’t,
larvae increases as the tadpolesthen
age.
they
J The number of times a dog wags
are its tail
indicates how content the dog is.untestable.
6

Which of the following shows the length of
a rubber strip measured precisely to
2.22 centimeters? –

7

How much force is needed to
accelerate a 1,300 kg car at a
2
rate of 1.5 m/s ?
Force = mass x acceleration
Force = 1,300 x 1.5

F 867 N
G 1,950 N
H 8,493 N
J 16,562 N
8

Use this information for questions 9-11.

Oxygen (O2) is an example of —
An alloy is a mixture or solution of two metals.

A molecule
A an
alloy is two or more atoms bonded covalently
together.
B aUsually
molecule
included in the bonds are C, P and the
A salt is abonded
an ionictogether.
bond between a metal
C adiatomic
salt elements
and non-metal.
D a mixture A mixture is two substances
together but not bonding together.
A compound can be two or more elements
bonded together, with ionic or metallic bonds.
9

Metals
+1 +2

NON-Metals
+3 +4 -3 -2 -1 0

Things in or near this
circle are covalently
bonded, if bonded to
each other and they
are called molecules.

Diatomic elements

To produce 4 molecules of
sugar, a plant needs —
F 6 molecules of hydrogen
G 12 molecules of ATP
H 18 molecules of water
J 24 molecules of carbon dioxide
Multiply the whole reaction by 4.

4(
4 x 6 carbon dioxide

1

)

10

Which structure regulates gas exchange
during the processes of photosynthesis
and respiration?
AQ
BR
CS
DT

Gases go
in here!

O
2 2
CO

11

Which conclusion is best
supported by these data?
F Earth’s surface is composed mostly of silicon
and calcium.
G Oxygen is closer to Earth’s surface than
aluminum.
H There is more aluminum than calcium at
Earth’s surface.
J Silicon is much heavier than iron at

12

The table shows times
required for the same
toy car to travel 10 m across an identical
section of a floor after it is pushed. The
difference in times was probably caused by
differences in It—
is hard to duplicate your muscle force exactly,
with each trial.
A force exerted
B surface friction
These 3 variables remained
C air resistance
constant each time.
D car mass
13

Starch is a solute.
Which
would
most
Osmosis is when ‘cleaner water’ (in this case ‘distilled’)
likely
the liquida in
Tube A toto
rise?
wantscause
to go through
membrane
‘less clean water’ (in
F
Starch
being equal on each side of the
this
case,concentrations
‘starchy’).
membrane
Tube B water goes through the Dialysis membrane
G
Waterthe
passing
from a region of lower starch
toward
Tube A.
concentration
to one
higher starchtoconcentration
Water goes from
highofconcentration
low
H
Water and starch
theatsame
concentration.
Or if volumes
you wantbeing
to look
it from the solute
J
Solute
in the tubes
changing
from‘less
a higher
point
of
view…the
water
goes
from
solution’
The solute (starch) doesn’t go through this solute
membrane.
temperature
to a
lower temperature
to ‘more solute
solution.’
14

The reason for wafting or fanning a small
amount of chemical vapors toward the nose
as a means to detect odors in a test tube is
to —
A avoid experimental error from excessive
loss of mass of reactants or products
B avoid splashing chemicals into the face of
any person
C protect the respiratory tract against
potentially harmful vapors
D determine the relative strength of the odor
before smelling directly

15

Pain medications can be made as
powders or tablets. The powders tend
A tablet has less surface area for solubility.
to work faster than tablets with the
same ingredients because powder —
F dissolves faster in solution than a
single tablet
G has more total mass than a single
tablet
H travels through the bloodstream more
easily than a tablet
Powders have more surface area
J is easier to swallow than
for faster tablets
solubility.
16

Which structure
in the upper arm
is responsible for
raising the lower
arm?
A1
B2
C3
D4

1. Anchor of a muscle.

2. Tendons of a muscle.

3. Muscle that gets shorter.

4. Anchor of the muscle.

17

All of the following symptoms
are likely associated with
bacterial infection except —
F skin rashes or lesions
All 3 of these things can happen when you
G elevated
body
temperature
are fighting a bacterial infection.
H swollen glands or tissues
You build more white blood cells in response to infections,
J increased
NOT red blood cells. red blood cell
count
18

This seed is
best
Windborne seeds are lightweight and blade-like.
Water dispersed seeds float.
dispersed
byeither taste good or attach to fur.
Animal dispersed seeds
—
A water
B birds
C wind
D insects
19
Maple flowers on a maple tree
make seeds.

A car traveled 150 km
in 2.5 hours. What was
its average speed in km
Speed = distance ÷ time
150 ÷ 2.5
per hour?
60 km/h

Record and bubble in your
answer on the answer
document.

20

Which
the following
will allow
Rule: of
Choose
a ‘skinny’ glassware.
Choose the cylinder
the mostvolume
lines on it,with
measurement
of awithliquid’s
the smallest
subparts for precision.
theand
greatest
precision?
A 50 mL cylinder graduated in 1 mL
50 ÷ 1 = 50 lines
1increments
ml subpart
B 100 mL cylinder graduated in 0.5 mL
100 ÷ 0.5 = 200 lines
1/2 ml subpart
increments
C 100 mL cylinder graduated in 1 mL
100 ÷ 1 = 100 lines
1 ml subpart
increments
D 200 mL cylinder graduated in 5 mL
increments 21
200 ÷ 5 = 40
5 ml subpart

The diagram represents the chromosomes
of aThere
person
with
a
genetic
disorder
caused
should be 2 chromosomes
by (one
nondisjunction,
in one
which
from the egg and
fromthe
the sperm)
in all the 23 spots.
chromosomes
fail to separate properly.
Which chromosome set displays
nondisjunction?
F2
G8
H 21
J 23
There are 3 chromosomes instead of two.
22

Which organism lives in the
human intestine and aids in the
digestive process?
A The
bacterium
Escherichia
Most strains
of E.coli are mutualistic
in human intestines.
coli
Most human
mutualistic
fungi are on the skin.
B The
fungus
Trichophyton
rubrum
Protists are generally parasitic inside humans.
C The protozoan Entamoeba coli
the sun…no
sun invesiculosus
human stomachs.
D Algae
Theneed
algae
Fucus
23

Which of the following is
most likely to cause
increases in a predator
population?
Fewer prey decreases predators.
F Fewer prey
If
there
are
fewer
hawks,
there
are
more
eagles.
G A reduction in competition
More parasites
to eagles means fewer eagles.
H More
parasites
J A Less
period
of
drought
rain = less plants = less prey = less predators.
24

The medulla, part of the brain
stem, reacts quickly to increased
levels of CO2 in the blood and
stimulates a response from the
—
The kidneys react
to other wastes in blood.
A excretory
system
The white blood
cells react to pathogens.
B immune
system
lungs react to the system
muscles which react to the brain.
CTherespiratory
The skin reacts to the hypothalamus(themostat.)
D integumentary
system
25

GA
A AGA

Use this chart for the next question.

normal

Mutated has one substitution.

The chain above represents three codons. Which
of the following changes would be expected in the
amino acid chain if the mutation shown above
occurred?
Onlyamino
if there had
been
a deletion of
3 or more
F The
acid
sequence
would
be letters.
shorter
than expected.
AGA codes for arginine, and ACA codes for threonine.
G The identity of one amino acid would change.
H The
amino
sequence
would
remain
AGA
codes acid
for arginine,
and ACA
codes for
threonine.
unchanged.
J The
Thisidentities
can happenof more than one amino acid
when
only one or two letters are added or deleted.
would
change.
26

Energy conversion within an
animal cell would be severely
limited by removal of the
cell’s
—
Mitochondria use oxygen and sugar to
recharge ADP’s into ATP’s (cell energy source.)
A mitochondria
Animal cells don’t have chloroplasts. Plants do.
B chloroplasts
Animal cells don’t have plastids (for photosynthesis.)
C plastids
Lysosomes help with digestion of food & recycling.
D lysosomes
27

Ten different types of culture media were
inoculated with the same strain of bacteria and
incubated at the same temperature. Nine of the
cultures grew. Which of these conclusions can be
drawn from this information?
F The media used
in the experiment are all
th
Why didn’t the 10 dish grow bacteria?
capable of sustaining bacterial growth.
G The temperature varied greatly during the
Given: same temperature
experiment.
H Only
theinoculation
culture was
thatdone
failed
to grow bacteria was
Assume
consistently.
inoculated properly.
J One
of the
lacked
the
nutrients
Perhaps
one media
media (food)
wasn’t
suitable
for that needed
species
bacteria totogrow.
for
the ofbacteria
grow.
28

Use this info. for the next question.

Which conclusion about the frogs is
supported by these data?
A Four frogs out of ten preferred the
40% does not equal 35%.
green area.
B The frogs randomly moved into
35%, 34%
are all close to 33% statistically.
the 31%,
colored
areas.
C Most frogs tended to avoid the
31%,
35%,
34%
are
all
close
to
33%
statistically.
red area.
Red was only 3% different than blue.
D Most frogs preferred the color
“Most” means over 50%. Blue section was 34%.
blue.
29

Which organisms in this food
Secondary
web can
consumersas
eat
Primarybe described
herbivores.
consumers are
both primary
and
secondary
HERBIVORES
consumers?
F Hawks
G Weasels
H Raccoons
J Mice
30

What is the density at 20°C
of 12.0 milliliters of a liquid
Density = mass ÷ volume
that
has
a mass of 4.05
? = 4.05
g ÷ 12mL
grams?
A 0.338 g/mL
B 2.96 g/mL
C 16.1 g/mL
D 48.6 g/mL

Don’t need temp.

31

Which switch, if opened,
will cause the light bulb to
stop glowing?
FQ
GR
HS
JT

If R was opened/off,
If T was opened/off,
the electricity would still go
the electricity would still go
through S to the bulb.
through S to the bulb.
If S was opened/off,
the electricity would still go
through R and T to the bulb.

If Q was
opened/off,
Battery
the electricity would NOT
make it to the bulb.

32

This relationship is an example of —
The tree is not being killed and totally consumed (eaten.)
A predation
The ants are not hurting the tree.
B parasitism
C mutualism
The ants are benefiting and the tree is benefiting.
D
commensalism
Commensalism
is when only one species benefits, neither harmed.
33

The owner of a pet store assures a
customer that if she buys only one female
hamster, she will not need to worry about
the hamster having offspring, because there
will be no male with which the female can
breed. What possibility is the pet-store
owner overlooking?
Irrelevant unless the customer wants more
hamsters
eventually.
The
hamster
could be infertile.

F
Sex changes
do not
occur in hamsters.
G The
sex of the
hamster
could change.
If she
were pregnant,
will have more
H The
hamster
could the
becustomer
pregnant.
hamsters soon.
J The
hamster
be a twin.
Does
not applycould
to the customer.

34

Which of the following pieces of equipment would be
most appropriate for measuring the

volume of a

marble?

Not precise for a marble

Marble mass

Marble displacement of water

Marble diameter

35

In the rock cycle, which of
these is a chemical change
involved with the formation of
igneous rocks?
May cause a chemical change
with pressure.
F Compression
of sediments
May resultloss
from chemical
changes.
G Heat
from
lava
Is the act of elements
cause a chemical
change
with
heat/friction.
unbonding
rebonding.
H May
Subduction
of and
plates
J Formation of minerals
36

Multicellular eukaryotes that are
usually mobile and obtain food
from other organisms probably
belong to the kingdom —
Multicellular, but make their own food.
A Plantae
Multicellular fungi are not mobile.
B Fungi
C Animalia
D Protista
Unicellular usually.
37

At 0°C sound travels through air
at a speed of 330 m/s. If a sound
Velocity = frequency X wavelength
wave
with a
330 = ? is
X produced
0.10
330
÷ 0.10 = ? of
X 0.10
0.10 ÷ 0.10
wavelength
m, what is
330 ÷ 0.10 = frequency
the wave’s frequency?
F 0.0033 Hz
G 33 Hz
H 330 Hz
J 3300 Hz
38
Don’t need temp.

Wolves and hawks are at the same trophic
level because they —
Trophic levels do not include home/habitat.
A both live on land
Trophic
have
nothing to do with classification or
B are
bothlevels
large
mammals
nomenclature.
Animals
in the same trophic level defines that they eat of the
C
both
eat
primary
consumers
You
don’t
have
to
hunt
same trophic level below. in a similar way to be in the same
trophicsimilar
level. hunting patterns
D have
39

12 ÷ 8 = 1.5

15 ÷ 9 = 1.67

14 ÷ 12 = 1.16

11 ÷ 15 = .73

The diagram represents the total travel of a
teacher on a Saturday. Which part of the trip is
made at the greatest average speed?
FQ
GR
HS
JT
40

What characteristic of water
remains the same no matter
Water
defined as two hydrogens
what
isisdissolved
in it? to one oxygen.
If there were more or less of these elements, the
A The
ratio
ofhave
hydrogen
to and not be
compound
would
a different name
water.
oxygen
The bending of light depends on temperature and
B The
ability
to
refract
light
whether there is any solute in the water.
C The
ion
Usually,hydroxide
the amount of OHand H+ ions are equal
in pure water.
concentration
Water that is not pure, such as with solutes, does
D The
freezing
temperature
not always freeze at 0 C.
41
o

Which of these
characteristics might help a
plant species survive in an
area with limited sunlight?
Has to do with pollination, not photosynthesis.
F Bright flowers
Increases the odds of capturing some sunlight.
surfaceleaves
area means more sunlight captured.
G More
Large
from getting closer to the sun.
H Prevents
Shortleaves
stems
More of a water conservation strategy, rather
J Thick
cuticles
than a ‘capture more sun’ strategy.
42

Carnivore eats
500 but only
keeps 50. 90% is
lost as heat from
the carnivore.
Herbivore eats
5000 but only
keeps 500.
90% is lost as
heat from the
herbivore.
Plants absorb a lot of
kcal from the sun.
They retain some of
the kcal.

50 kilocalories kept.

500 kilocalories kept.

5000 kilocalories kept.

He ate 1000 kcal

He ate 30 kcal

Producers

The other 4000 kcal
were eaten by
something else.

He kept 100 kcal
Primary consumer
The other 70 kcal were
eaten by something
else.

He kept 3 kcal
Secondary consumer

Approximately how much of the energy available
in the tissues of the producer is eventually
incorporated into the tissues of a secondary
consumer?
3 ÷ 5000 x 100 = .06%
A Less than 1%
B Between 20% and 30%
C Approximately 50%
D More than 50%
43

In an investigation 10,000 dung beetles were
examined for the presence of parasites. The data
showed that about 5% of the beetles had
parasites. The results are —
The question
is only
about
parasites
dung beetles.
F invalid
because
only
dung
beetlesofwere
examined
Just because itbecause
was 5% doesn’t
mean it’s
wrong or
G unsupported
the parasite
population
unsupported.
was small
H erroneous
because
more
beetlesbut
should
have
The data may
have been
surprising
it is still
valid
the data was collected incorrectly or
hadunless
parasites
inconsistently.
J valid
because the sample size was sufficient for
accuracy
10,000 beetles is a very adequate sample
size in which to make a valid conclusion.
44

2

2

1

1
1 lead
2 oxygens

1 1
≠

1 lead
3 oxygens

What are the coefficients that will
balance this chemical equation?
A 2, 1, 1
B 3, 4, 2
C 2, 2, 1 2 lead
2 lead
=
4 oxygens
D 4, 3, 2 4 oxygens
Put a 2 here to make an even number of oxygens.

1 lead
2 oxygens

≠

2 lead
4 oxygens

45

What is the current in a copper
wire
that
has
a
resistance
of
2
Frequency = voltage ÷ resistance(ohms)
? = 9is
÷ 2connected
ohms and
to a 9-volt electrical source?
Current (frequency)

F 0.22 amp
G 4.5 amps
H 11.0 amps
J 18.0 amps

46

Certain chemicals in the diet of moth
larvae seem to influence the early
development of the moths’ wings.
Careful observation of developing
pupae could result in —
Data may
may not
verify
the hypothesis.
A data
to or
verify
the
hypothesis
A conclusion to
is not
made
until a valid
B changes
the
conclusion
experiment has been completed.
C AaEggs
conclusion
about
moths’
eggs
new
species
are not included
means
comparison
in thethe
study.
of The
the moths
study
begins
being
with larvae
to known
and thespecies.
observations
Instead,
arethe
finished
experiment
when
Dobserved
development
of
a new
moth
species
was
wings
about
have
thisappeared.
moth species’ growth response to
certain chemicals.

47

Which system is responsible for
producing enzymes that aid in
breaking down substances to be
absorbed for the body’s growth and
repair?
Makes food small enough to be absorbed by blood
F Digestive
system
and needful cells.
Makes gametes and sometimes nourishment for the
G Reproductive
system
young.
Place of
of mineral
exchange
of oxygen
and
carbon
dioxide.
Place
storage,
blood
cell
production,
H Respiratory
system
muscle attachment, protection of organs, means of
J Skeletal
system
mobility.
48

According to the
graph, about how
much hemoglobin
would be saturated
at an O2
pressure of 7.3
kPa?
A 32%
B 67%
C 89%
D 92%

49

Which of the following salts has the
greatest solubility in water at 25°C?
Calcium carbonate - insoluble because of rule 3.
F CaCO
3
Iron sulfide - insoluble because of rule 3
G FeS
Mercury chloride - insoluble because of rule 2.
H HgCl
2
Potassium perchlorate - soluble because of rule 1
J KClO
4
50

producer

Primary
consumer

Secondary
consumer

Tertiary
consumer

In this food chain, the spiders
are —
A producers
B primary consumers
C competitors
D secondary consumers

51

Objects of the same mass but of different sizes
and shapes were dropped from a given height.
Their rates of free fall were measured and
recorded. Which of the following is most likely the
question this experiment was designed to
answer?
All were
dropped
from
a “given
height”.
F How
does
height
affect
the
force of gravity?
G How
does
gravity
affect
objects of different
Density
is not
as important
in freefall
as wind resistance and Bernoulli's Principle
densities?
Massdo
is constant
the universe.
on
H How
mass through
and weight
affectWeight
fallingdepends
objects?
gravity
ofsize
the planet
you’re
on.affect an object’s rate
J How
do
and
shape
Objects were same mass, but different sizes and shapes
of free
fall?
which
could include objects with different kinds of wind

resistance and Bernoulli's Principle.

52

What trait will most
likely be observed
in all
offspring of the
above set of
parents?
The male feathers
will ensure that all the offspring green.
A Green
Half the offspring
will be carriers for yellow.
B Yellow
feathers
Half thebeak
offspring will have long beaks but will be carriers for
C Long
short.
The other
half of the offspring will have short beaks.
D Short
beak
53

As temperature drops to the dew point,
clouds form in the atmosphere, and
dew forms on ground surfaces. A
scientist proposes that adding more
measurable
water
molecules to the atmosphere will
measurable
change the dew
point. This proposal is
A proposal comes before the experiment which
F an
invalid
comes
beforeobservation
the observation.
A proposal that is measurable is valid hypothesis.
G aBecause
valid hypothesis
it is measurable, it is valid although it may
You
don’t have
a valid conclusion
until
you have
be
proven
after
experimentation
to
be
incorrect.
H anobserved
invalidandproblem
analyzed a large sample size of data
J a and
valid
hadconclusion
a control group in which to set a standard.
54

Laboratory equipment is cleaned and
properly stored after use primarily so
that —
A chemical products can be measured
and recorded as data
B time is saved in setting up the next
experiment
C toxic materials can be kept in the
laboratory
D the possibility of contamination in the
laboratory
isprevents
minimized
A clean lab
accidents, contamination and worry.
55