Example-questions

Example questions

We use a subset of these questions in our workshops to let participants browse different types of questions.

Visit http://STEMclickers.colorado.edu

for our other workshop handouts

(look for Workshop Materials).

Visti http://www.colorado.edu/sei/fac-resources/course-archives.htm

and http://www.sei.ubc.ca/materials/Welcome.do

for additional clicker questions in the sciences from our course transformation efforts

1

Dr. Stephanie Chasteen. Science Education Initiative, CU-Boulder. http://STEMclickers.colorado.edu

This presentation is copyrighted under the Creative

Commons License

Attribution Non-Commercial Share-Alike

That means: Please watch it, share it, and use it in your presentations. Just give us credit, don’t make money from it, and use the same kind of license on the works that you create from it.

More information about Creative Commons licenses here: http://creativecommons.org/licenses/

Credit should be given to the author of the question as designated on each slide

3

Example question: Astronomy

You look to the eastern horizon as the Moon is rising and discover that it is in the new moon phase. Later that same day when the moon is setting, which of the moon phases shown below would the Moon have looked like?

Center for Astronomy Education, Ed Prather


4

What do you think is most interesting about this picture?

A)

B)

C)

D)

E)

discover

lunar eclipse solar eclipse cloud blocking the

Sun sunspots other

Astronomy Picture of the Day


Example question: Astronomy

Jupiter

Let’s think about the density of non-uniform objects. Which has the largest average

Earth http://www.solarspace.co.uk/jupiter.php

(A)

The Sun http://justearth.net/

(B) http://curious.astro.cornell.edu/sun.php

(D) I need more information (C)


Astronomy

If this is the phase of the Moon when it rises: what is the phase of the Moon 12 hours later?

A B C

D E

(Prather)


7

8

Superpowers

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

This is an example of a “no one right answer” question.

What is the goal? How “deep” is this question?

9

Question: Ian Beatty, UMass-Amherst

Image: Thibault fr on Wikimedia


Physics

Susan throws a ball straight up into the air. It goes up and then falls back into her hand 2 seconds later.

Draw a graph showing the velocity of the ball from the moment it leaves her hand until she catches it again.

velocity

2 sec time

0

(UBC CWSEI)


10

Physics

Which one is the closest match to your graph?

velocity velocity

A

0

C

0

2 sec

2 sec time velocity

B

0 time velocity

D

0

(UBC CWSEI)

E) some other graph


2 sec time

2 sec time

Physics

John is walking to school. This graph shows his position as a function of time. When is John moving with the greatest velocity?

position

A B C D E time

12

Example question: Physics

The pie graph shows the energy of the

Skater, where could she be on the track?

KE

A

B

C

PE

D

E

Kathy Perkins, CU Boulder 13



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?

A.

B.

C.

D.

Yes, left

Yes, right

No

Don’t know

Eric Mazur, “Peer Instruction”


14


About how close is a thunderstorm if you hear the thunder 6 seconds after hearing the lightening flash? (The speed of sound is 344 m/s)

A.

B.

0 km

1 km

C.

D.

E.

2 km

6 km

None of these

Steven Pollock, CU-Boulder

15


Physics

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?

A

B

C

D

E

P

Eric Mazur, “Peer Instruction”


16

Physics / Perception

Suppose you pass white light through a prism and all of the colours of the spectrum are projected on a screen.

If you then put a red filter over your eye and look at the spectrum, what colours do you see?

A)

B) you see mostly red light; the blue and green disappears you see mostly blue light; the other colours disappear

C) all of the colours turn red

(Duncan)


17

Example Question: Physics

Boiling occurs when the vapor pressure of a liquid equals the atmospheric pressure.

In the high altitude city of Denver, is the boiling point of water

A.

B.

<100 C

100 C

C.

>100 C

Origin unknown


18


The sky appears to be blue during the day because

A.

Air absorbs blue light less than other frequencies (i.e., acts like a blue filter).

B.

C.

Air molecules emit blue light after being struck by sunlight.

The sky reflects blue light from the oceans.

D.

E.

The temperature high in the Earth’s upper atmosphere is 1000 K.

None of the above.

Bill Gerace, UMass Amherst


19


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.

One force

B.

C.

D.

E.

Two forces

Three forces

Four forces

Five forces

F.

G.

H.

I.

J.

Six forces

Seven forces

More than seven forces

Impossible to determine

None of the above



20


In which of the following situations is the object accelerating?

Choose ALL that apply; enter “0” for “none”.

A.

A car slowing down at a stop sign

B.

C.

D.

E.

A ball being swung in a circle at constant speed

A vibrating string

The Moon orbiting the Earth

A skydiver falling at terminal speed

F.

G.

H.

I.

J.

An astronaut in an orbiting space station

A ball rolling down a hill

A person driving down a straight section of highway at

Constant speed with her foot on the accelerator

A molecule in the floor of this room

Bill Leonard, UMass Amherst


21


Which of the following are ambiguous? Choose ALL that apply.

A.

F.

G.

H.

I.

J.

B.

C.

D.

E.

Origin

Function

Equilibrium f(x) x

M sin-1(x)

Relationship

Power

None of these



22




23




24


A child is standing at the rim of a disk holding a rock. The disk rotates freely without friction. At the instant shown, the child throws the rock radially outward. Which of the indicated paths most nearly represents the trajectory of the rock as seen from above?

6. None of the above

7. Cannot be determined



25


The diagrams below show two uniformly charged spheres. The charge on the right sphere is 3 times as large as the charge on the left sphere.

Which force diagram best represents the magnitudes and directions of the electric forces on the two spheres?

A.

D.

B.

E.

C.



26


[Context: Students have been shown how to connect two forks to a quarter, and balance the assembly counterintuitively on the edge of a cup. After experimenting with this for a bit:] Make a drawing of the top view of the arrangement of 2 forks, 1 quarter, and 1 cup. [after drawing:] Which drawing below most closely resembles yours?

A.

C.

B. D. None of these



27


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.

B.

C.

Yes

No

It depends

Ian Beatty, UMass Amherst


28




Two identical steel balls are released from rest from the same height and travel along tracks as shown and labeled below. Which ball reaches the end of its track first?

A

A.

B.

C.

D.

The ball on track A.

The ball on track B.

Neither; it's a tie.

Not enough information.

B

Bill Gerace, UMass Amherst, and http://www.lhup.edu/~dsimanek/scenario/demos.htm


29


To minimize the work you do getting a heavy bag of groceries from the first floor to the second floor of a building, should you

A.

B.

C.

D.

E.

carry the bag up the stairs?

carry the bag up in an elevator?

put the bag on the floor of an elevator, ride up with it, and then pick up the bag again?

carry the bag up a ramp?

put the bag in a cart and push it up a ramp?



30


Consider…

1. Mechanics

2. Depth

3. Goals



31


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

Ian Beatty, UMass Amherst


32


A simple pendulum is released from rest with the string at an angle A. It swings back and forth with frequency f. The angle θ that the string makes with the vertical as a function of time can be described by the equation θ(t)=Acos(2∏ft).

Which of the following equations might describe a real pendulum whose oscillations gradually die out as time passes? (“B” is some constant.)

A.

B.

C.

θ(t)=Acos(2∏ft)

θ(t)=Acos(2∏f√t)

θ(t)=Acos 2 (2∏ft)

D.

E.

F.

θ(t)=Ae -Bt cos(2∏ft)

θ(t)=Acos(2∏fe -Bt t)

θ(t)=Acos(2∏ft)–Bt

G.

None of the above

Ian Beatty, UMass Amherst 33


Physics

An ice cube is floating in a glass of water that is filled entirely to the brim. As the ice cube melts, the water level will

A) stay the same, remain at the brim.

B) rise, causing the water to spill.

C) fall to a level below the brim.

D) cannot say without knowing the density of ice.

(UBC CWSEI)


34

Physics

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)


35

Physics: Demo prediction

A cup filled with water has a hole in the side through which the liquid is flowing out. If the cup is dropped for 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)


36

Example-questions

What do you think is most interesting about this picture?

(Prather)

Change the mass of things

Change the charge of things

Change the magnetization of things

Change the boiling point of things

Which one is the closest match to your graph?

The pie graph shows the energy of the

Skater, where could she be on the track?

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?

(Duncan)

A

B

Physics: Demo prediction

Related documents

Products

Support

Example-questions

What do you think is most interesting about this picture?

(Prather)

Change the mass of things

Change the charge of things

Change the magnetization of things

Change the boiling point of things

Which one is the closest match to your graph?

The pie graph shows the energy of the

Skater, where could she be on the track?

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?

(Duncan)

A

B

Physics: Demo prediction

Related documents

Add this document to collection(s)

Add this document to saved

Suggest us how to improve StudyLib