Transcript Examples from the Natural Sciences

Facts and Concepts
If Leah is 6 years older than Sue, and John is 5
years older than Leah, and the total of their
ages is 41, how old is Sue?
A. 8
B. 10
C. 14
D. 19
E. 21
Stephanie Chasteen, CU-Boulder
2
A nurse needs to make rounds on four
patients who are stable. Using the
principle of medical sepsis, which patient
should be seen first?
A. A postsurgical cardiac patient with
pneumonia
B. A patient with a draining wound
C. A patient who is severely neutropenic
D. A child with chickenpox
Nursing program, CU –Denver, Gail Armstrong
3
Which experiment will produce 18O2?
Experiment 1:
H218O + CO2
A.
B.
C.
D.
experiment 1
experiment 2
both experiments
neither
Experiment 2:
H2O +C18O2
Question credit: Pearson Education, Inc.
You’re on a cart, initially at rest,
throwing balls at a partition that is
rigidly mounted on the front of the
cart. If the balls bounce straight
back, as in the figure, then is the
cart put in motion?
Yes, left
B. Yes, right
C. No
D. Don’t know
A.
Eric Mazur, “Peer Instruction”
5
When you lose 10 pounds, where does most
of the weight go?
A. Out of the body in secretions (urine, feces, and/or
sweat)
B. Out of the body in air you exhale
C. The body uses it up as energy
D. Half out of the body in secretions and half used up as
energy
Origin unknown
6
Using Images
A ball is rolling around the inside of a circular track.
The ball leaves the track at point P.
Which path does the ball follow?
B
C
D
A
E
P
Eric Mazur, “Peer Instruction”
8
Part 1 of 2
Draw a cell’s plasma membrane using circles and lines
to represent the two “ends” of the phospholipids that
comprise the membrane. Indicate the inside and
outside of the cell with respect to the membrane.
example phospholipid
Question credit: CWSEI, SEI
Part 2 of 2
Which of the following illustrations looks most like your
own drawing?
A.
Outside
of cell
Inside
of cell
B. Outside
of cell
Inside
of cell
C.
Outside
of cell
Inside
of cell
D.
Outside
of cell
Inside
of cell
E. My drawing looks different
Question credit: CWSEI, SEI
Which of the parallelograms in the
figure below are unit cells?
Credit: http://www.jce.divched.org/JCEDLib/QBank/collection/ConcepTests/
John is walking to school. This graph
shows his position as a function of
time. When is John moving with the
greatest velocity?
position
time
A
B
C
D
E
(UBC CWSEI)
12
What texture does this rock display?
A. Phaneritic
B. Aphanitic
C. Porphyritic
D. Glassy
CU SEI
Prediction &
Experiments
Show students that a light bulb lights up
when it’s connected to a power source
through a weak acid.
What will happen if I use a 100%
acid solution?
(A) Brighter (B) Dimmer
(Most students answer brighter; but the light bulb won’t light in a 100%
acid solution)
15
15
Origin unknown
Observations of a particular ecosystem
lead you to propose this food web. If a
disease causes the population of frogs
to decrease, what would you expect to
happen to the population of rabbits?
A.Increase
B. Decrease
C. Stay the same
Ian Beatty, UMass Amherst
16
If you lower a 1.5 kg mass on a string into a
5 kg beaker filled with water, what happens to
the reading on the scale?
A)
B)
C)
D)
increases to 6.5 kg
increases to a value < 6.5 kg
increases to a value > 6.5 kg
stay the same
(UBC CWSEI)
17
Which action will increase the concentration of
the solution?
I. Add more CuSO4
II. Evaporate water
III. Drain water
a. I only
b. I and II
c. II and III
d. I and III
e. I, II, and II
Using PhET interactive simulation
http://phet.colorado.edu
A cup filled with water has a hole in the side through
which the liquid is flowing out. If the cup is dropped
from a height, what will happen to the water flowing
from the cup?
A. It will keep on coming out, flowing
the same as before
B. It will keep coming out, but it will
flow a bit slower than before
C. It will keep coming out, but start to
flow upwards
D. It will keep coming out, flowing
horizontally with the falling cup
E. It will stop flowing
(Cynthia Heiner)
19
Discussion /
No one right answer
A block m sits on a rough surface, with a spring
attached and extended. As the block moves up
the incline a small distance, how many forces
are exerted on the block?
A.
B.
C.
D.
E.
F.
G.
H.
I.
J.
One force
Two forces
Three forces
Four forces
Five forces
Six forces
Seven forces
More than seven forces
Impossible to determine
None of the above
Bill Gerace, UMass Amherst
21
Which superpower would you
rather have? The ability to…
A.
B.
C.
D.
Change the mass of things
Change the charge of things
Change the magnetization of things
Change the boiling point of things
22
Question: Ian Beatty, UMass-Amherst
Image: Thibault fr on Wikimedia
If you could only have one system left, which
would it be?
1. Circulatory
2. Nervous
3. Endocrine
4. Immune
5. Digestive
6. Respiratory
7. Exretory
8. Muscle/Skeletal
Kate Dollard, Northampton HS (based on a question by Chevy Seney of Frontier Regional School)
23
Surveys
Are you concerned about global
climate change?
A.
B.
C.
D.
E.
Yes
No
I don’t think the climate is changing
I don’t know if the climate is changing
I think the climate is changing but I
don’t know whether I should be
concerned about it or not
CU-SEI
What do you think is the most effective
intervention for the prevention of
infection?
A. Prophylactic antibiotics
B. Contact precautions
C. Handwashing
D.Fewer invasive interventions
Nursing program, CU –Denver, Gail Armstrong
26
Do you think that nuclear power is too
dangerous to be used in the U.S.?
A. Yes
B. No
C. I’m not sure
27
Do you know someone who has cancer (or had it
in the past)?
A. Yes, someone close to me
B. Yes, but I didn’t know them well
C. No
D. Not sure
Origin unknown
28
Which of the following are you least
comfortable using to solve problems?
A.
B.
C.
D.
E.
Kinematics
Newton’s Laws
Work-Energy theorem
Momentum-Impulse theorem
Angular Momentum-Angular Impulse
Theorem
Credit: Ian Beatty
Real-time confusion meter
A. I’m bored – speed up
B. I’m with you
C. Slow down a little
D. I’m totally lost
30
True/False
Yes/No
and variations
If you want to do as little work as possible while
carrying a heavy box, should you be careful
not to let it move up and down at all as you
walk?
A. Yes
B. No
C. It depends
Ian Beatty, UMass Amherst
32
Both bacteria and viruses can trigger
immune system response. Which of the
following is a FALSE statement about
bacteria and viruses?
A. Viruses are cells.
B. Viruses replicate inside human cells.
C. Bacteria can replicate their own DNA.
D. Viruses can have RNA as genetic material.
Integrative Physiology, Physics, Molecular, Cellular and Developmental Biology, CU-Boulder; Nursing program, CU –Denver
33
In this food chain, would
you expect to have more
owls or more frogs? Why?
34
Cathy Wanat, Northampton High School
Body temperature is maintained
constant throughout the human body.
True or false?
A. True
B. False
Origin Unknown: Bill Something, Human Physiology II
35
How many of the following statements about selection
are true?
Plants:
During their lifetime, plants may experience
many different sources of selection
Insects: Insects often experience a different type of
selection as larvae than as adults
Birds:
Birds can experience different directions of
selection in different years
Mammals: Selection in mammals always operates more
strongly on survival than on reproduction
A) 0
B) 1
C) 2
D) 3
Question credit: Greg Bole
E) 4