Transcript Science STAAR Final Review Game

Science STAAR Final Review
Game
A science teacher asked students to classify the
organism shown in the picture below.
The organism pictured above could be classified
as all fo the following EXCEPTA) Autotrophic
B) Prokaryotic
C) Eukaryotic
D) Multicellular
A chemical reaction occurs when
atoms of two or more elements react
with each other. Atoms of two different
elements react with each other when
they haveA)
B)
C)
D)
Unfilled outer electron shells
Neutral electrical charges
Stable electron arrangements
Equal numbers of protons and neutrons
Based on the energy pyramid shown above, which of the
following statements is correct?
A)
If the hawk population increased, the frog population would
also increase.
B) All the animals shown on the energy pyramid consume
grasses and grains.
C) Grasshoppers and locusts can obtain energy from producers
or consumers.
D) Available energy decreases as it is transferred from one level
to another.
Cherie observes the Moon in the phase shown
below.
If Cherie continues to observe the Moon, which of
the following phases will she see next?
A)
B)
C)
D)
Which of the following
statements about chemical
changes is correct?
A) A chemical change always produces an
odor.
B) A chemical change always creates one
or more new substances.
C) A chemical change always changes a
substance’s temperature.
D) A chemical change always changes a
substance’s state of matter.
Between the 90-minute and 120-minute time period,
DarlaA)
B)
C)
D)
Sped up
Slowed down
Stopped completely
Changed directions
Which statement about organic
compounds is correct?
A) Organic compounds contain only
carbon atoms.
B) All organic compounds contain
carbon atoms.
C) Organic compounds are not
components of organisms.
D) Very few compounds are classified
as organic compounds.
Which statement about
unbalanced forces is correct?
A) Unbalanced forces change how and
where an object moves.
B) Unbalanced forces always have a net
force less than zero.
C) Unbalanced forces are always caused by
friction and gravity.
D) Unbalanced forces affect the direction
but not the speed of an object’s
movement.
On which part of the island is the steepest slope?
A)
B)
C)
D)
Northeast
Northwest
Southwest
Southeast
A science teacher asked her students to calculate the
density of a toy block. The mass of the block was 116
grams. The volume of the block was 8 cubic
centimeters. What was the density of the block,
expressed in grams per cubic centimeter?
Record your answer in the boxes. Then fill in the
bubbles. Be sure to use the correct place value.
1
4
5
The relative positions of Earth, the
Moon, and the Sun determine the Moon
and Sun’s gravitational pull on the
planet. For this reason, during which
phases of the Moon do the lowest tides
(neap tides) occur?
A)
B)
C)
D)
First quarter and last quarter
Full moon and new moon
New moon and first quarter
Waxing crescent and waning crescent
Earth completes one rotation on its axis
about every 24 hours. What would be
the most likely result if Earth completed
one rotation on its axis every 12 hours?
A) Earth would cycle through the four seasons more
quickly.
B) Some places on Earth would experience fewer
hours of daylight.
C) Earth would cycle through periods of daylight and
darkness more quickly.
D) Some places on Earth would experience fewer
hours of darkness.
Based on the diagram shown above and what you know about
food webs, which of the following conclusions is correct?
A) Since organisms withing a food web have several food
choices, all the organisms within the food web can survive.
B) Since organisms within a food web are interdependent, the
disappearance of one organism within the food web could
affect all the organisms within that web.
C) Since both producers and consumers live within a food web,
the energy available within the food web remains constant.
D) Since organisms within a food web must compete for food,
the disappearance of one organism within the food web helps
other organisms within the web to survive.
In science class, students were asked to complete a food web like
the one shown below.
In which numbered box on the food web should students place
autotrophs?
A)
B)
C)
D)
Box 1
Box 2
Box 3
Box 4
A mover pushed a crate across a smooth warehouse
floor a distance of 10 meters. If 250 joules of work was
done, how much force (in newtons) did the mover exert
on the crate to move it?
Record your answer in the boxes. Then fill in the
bubbles. Be sure to use the correct place value.
2
5
The thrust from a rocket’s engine
lifts the rocket into the air. Which
of the following best explains why
the engine’s thrust lifts the rocket?
A) An object in motion tends to stay in motion; an
object at rest tends to stay at rest.
B) The greater an object’s mass, the greater its
resistance to a change in motion.
C) For every action, there is an equal but opposite
reaction.
D) The greater the force applied to an object, the
greater the object’s acceleration.
Which of the following bowling balls would have
the greatest kinetic energy?
A) A 16-pound bowling ball resting on a ball
return at a bowling alley
B) A 14-pound bowling ball rolling down a
lane at a speed of 12 miles per hour
C) A 14-pound bowling ball rolling down a
lane at a speed of 10 miles per hour
D) A 10-pound bowling ball rolling down a
lane at a speed of 12 miles per hour
According to the theory of plate tectonics, different kinds of
boundaries form when the edges of different plates meet. The
diagram below shows a convergent boundary.
When the plates converge, as shown above, they will most likely
produce a(n)-
A)
B)
C)
D)
Fault line
Mid-ocean ridge
Underground lake
Mountain range
The chemical formula for three molecules of
iron oxide appears below.
3Fe2O3
What is the total number of atoms in three
molecules of iron oxide?
A)
B)
C)
D)
15
5
9
2
In a chemical reaction, iron oxide reacts with carbon monoxide to form iron and
carbon dioxide. An equation for this reaction appears below.
What number should be written in the blank space to balance the equation?
Record your answer in the boxes. Then fill in the bubbles. Be sure to use the
correct place value.
6
On a camping trip, the group leader lit a campfire
so the campers could roast marshmallows. What
energy transformations occurred when the
campfire was lit?
A) Chemical energy was transformed into heat and
light energy.
B) Solar energy was transformed into heat and light
energy.
C) Heat energy was transformed into light and
geothermal energy.
D) Chemical energy was transformed into
mechanical and light energy.
Astronomers use special equipment to
study the electromagnetic spectrum.
What is the electromagnetic spectrum?
A) The entire range of all radiant energy, including
light not visible to the human eye
B) The range of all radiant energy visible to the
human eye
C) The range of all radiant energy with the
shortest wavelengths
D) The entire range of all radiant energy, except
light visible to the human eye
The atomic number of an element
appears in the Periodic Table. The
atomic number of an element is
determined by the number ofA)
B)
C)
D)
Protons in the atom’s nucleus
Neutrons in the atom’s nucleus
Electrons in the atom’s electron cloud
Protons and neutrons in the atom’s
nucleus
Which of the following best defines
the universe?
A) Cloud of gas and dust floating in space;
“birthplace” of stars
B) A collection of stars, gases and dust held
together by gravity
C) Totality of everything that exists, including
planets, stars, galaxies, space and time
D) The Sun along with the planets, their
moons, and all other bodies that orbit it
A seal has warm fur and a lot of fat, making it
well-adapted to a cold climate. If the climate
continues to become warmer and this species
survives, what change might you expect to find in
later generations?
A)
B)
C)
D)
Smaller eyes
Longer flippers
Less fat
Thicker fur
At which point along the ball’s path does the ball have
the greatest potential energy but the least kinetic
energy?
A)
B)
C)
D)
Point A
Point B
Point C
Point D
The Atlantic hurricane season lasts from June 1 through
November 30 every year. Ninety-seven percent of all
Atlantic hurricanes happen during this time period.
Which of the following best explains why this is true?
A) Fewer cold fronts pass over the Atlantic Ocean
during this time period.
B) Cold currents in the Atlantic Ocean are less
active during this time period.
C) The waters of the Atlantic Ocean are warmest
during this time period.
D) Hurricanes that occur in the Atlantic Ocean can
happen only during summer months.
What role does cytoplasm play in both plant cells
and animal cells?
A) Cytoplasm forms both the cell membranes
and cell walls of all cells.
B) Cytoplasm converts energy from food into a
form that all cells can use.
C) Cytoplasm makes proteins for cells and
carries the proteins within the cells.
D) Cytoplasm fills most of the cell and holds the
organelles, which carry out each cell’s
activities.
Which of the following is a biotic
factor in an ecosystem?
A)
B)
C)
D)
Water
Sunlight
Temperature
A rotting log
An element in the Periodic Table
has two orbitals in its electron cloud
and four electrons in the outer
orbital. What element is this?
A)
B)
C)
D)
Calcium
Titanium
Silicon
Carbon
In science class, a student read about an element that
had the following properties.
-Gray, metallic luster
-Solid at room temperature
-Brittle (hard, rigid, breaks easily)
-Conducts electricity (under certain circumstances)
Based on the properties listed above, the student should
conclude that the element is most likely aA)
B)
C)
D)
Metalloid
Native metal
Metal
Nonmetal
Which system of the human body is
responsible for breaking down food to be
used for energy?
A)
B)
C)
D)
Digestive
Circulatory
Endocrine
Reproductive