Quiz about Potential & Kinetic Energy Review

Question 1

An object falls from the sky, which type(s) of energy does the object have? SELECT ALL THAT APPLY!!

Accepted Answer

Potential Energy

Accepted Answer

Kinetic Energy

Answer

Magnetic Energy

Answer

Sound Energy

Question 2

Which of the following have kinetic energy?

Accepted Answer

A kid running on the playground

Accepted Answer

A baseball being thrown through the air

Accepted Answer

A car moving down a road

Answer

A ball sitting at the top of a hill

Answer

A pencil sitting still on a desk

Question 3

Which of the following is an example of an object with elastic potential energy?

Accepted Answer

Rubber bands

Accepted Answer

Trampoline

Answer

A car at the top of a hill

Answer

A child at the top of a slide

Question 4

At which point is kinetic energy greatest?

Accepted Answer

X

Answer

W

Answer

Y

Answer

Z

Question 5

Which 2 letters have the most kinetic energy

Accepted Answer

X & Z

Answer

W & Y

Question 6

At which position would potential energy be greatest?

Accepted Answer

W

Answer

X

Answer

Y

Answer

Z

Question 7

Which of the following best represents potential energy?

Accepted Answer

a marble sitting at the top of a ramp

Answer

air leaking rapidly from a car tire

Answer

heat radiating from a large forest fire

Answer

water flowing through a rubber hose

Question 8

At which point is kinetic energy greatest?

Accepted Answer

X

Answer

W

Answer

Y

Answer

Z

Question 9

The unit of measure for potential and kinetic energy is the

Accepted Answer

Joule

Answer

Watt

Answer

Meter

Answer

Newton

Question 10

Students conduct an experiment using a toy car with the mass of 10g, a toy car with the mass of 20g, and a toy car with the mass of 30g. The students want to test the cars on a ramp and measure how far the cars traveled. Evaluate the information and determine the question they are trying to test with this experiment.

Accepted Answer

Does the mass of the car influence the amount of kinetic energy?

Answer

Does the height of the ramp influence the amount of potential energy?

Answer

Does the amount of incline determine how far the car will travel?

Answer

Does the mass of the object influence the amount of potential energy?

Question 11

Sammy studied kinetic and potential energy by observing apples on a tree during a field investigation. What type of energy do the apples on the tree have?

Accepted Answer

gravitational potential energy

Answer

elastic potential energy

Answer

mechanical energy

Answer

sound energy

Question 12

On a roller coaster ride, where will the kinetic energy be greatest?

Accepted Answer

At the bottom of the biggest hill

Answer

When going around a corner

Answer

When going upside down

Answer

At the very end of the ride

Question 13

If Mrs. Conner takes 10 seconds to move 20 meters what is her speed?

Accepted Answer

2 m/s

Answer

10 m/s

Answer

5 m/s

Answer

20 m/s

Question 14

Question 14.

Accepted Answer

At the bottom of the slide

Answer

At the top of the slide

Question 15

What is true when a roller coaster is at the bottom of a hill?

Accepted Answer

high kinetic energy

Answer

high potential energy

Answer

low kinetic energy

Answer

equal amounts of kinetic and potential energy

Question 16

A moving car.

Accepted Answer

Kinetic

Answer

Potential

Question 17

At which positions does the pendulum have the most potential energy?

Accepted Answer

1 and 5

Answer

2 and 4

Answer

3 and 5

Answer

1 and 4

Question 18

When a pendulum swings, at which point is kinetic energy highest?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 19

Describe the energy in the picture.

Accepted Answer

Elastic Potential

Answer

Gravitational Potential

Answer

Kinetic

Answer

No energy.

Question 20

What kind of energy is in a moving skateboard?

Accepted Answer

Kinetic

Answer

Potential

Question 21

A truck is parked at the bottom of a hill, moves from the bottom of the hill and parks at the top. Compared to when the truck was parked at the bottom of the hill at the top of the hill, the truck now has,

Accepted Answer

more potential energy

Answer

more kinetic energy

Answer

less potential energy

Answer

less kinetic energy

Question 22

Energy of a moving object

Accepted Answer

Kinetic energy

Answer

Potential energy

Answer

Transformation

Answer

Train Wreck

Question 23

Which of the following are factors affecting kinetic energy?

Accepted Answer

mass

Accepted Answer

speed

Answer

volume

Answer

density

Question 24

What is true when a roller coaster reaches the bottom of a steep slope?

Accepted Answer

low PE and high KE

Answer

high PE and low KE

Answer

low PE and low KE

Answer

high PE and high KE

Question 25

Distance (height) and mass determine the amount of ___________ energy in an object.

Accepted Answer

Potential

Answer

Kinetic

Answer

Solar

Answer

Thermal

Question 26

What is the equation for calculating gravitational potential energy

Accepted Answer

mgh

Answer

mv

Answer

$$\frac{1}{2}mv^2$$

Answer

Ft

Question 27

Ty lifts a set of 20 kg weights a vertical distance of 2 m while working out. What Potential Energy do the weights now possess?

Accepted Answer

400 Joules

Answer

4,000 Joules

Answer

10 Joules

Answer

1 J

Question 28

Calculate the potential energy of a toy car with a mass of 25 kg that is on a hill 100 meters above sea level. (PE = mgh)

Accepted Answer

25,000 J

Answer

2.5 J

Answer

.25 J

Answer

2,500 J

Question 29

If the .2 kg ball was moving at 6 m/s at the bottom of the ramp, how much kinetic energy did the marble have? (KE = 1/2mv²)

Accepted Answer

1.2 J

Answer

3.6 J

Answer

30 J

Answer

12 J

Question 30

Lilly's cat ran through your yard. The cat has a mass of 5 kg. He is running at a speed of 4 m/s. What is the kinetic energy of the cat as he runs? (KE = 1/2mv²)

Accepted Answer

40 J

Answer

22.5 J

Answer

20 J

Answer

10 J

Question 31

TRUE or FALSE: An object has ZERO energy when it is not moving.

Accepted Answer

False: Objects have both stored energy and motion energy.

Answer

True: Objects only have energy when they are in motion.

Question 32

Which would increase the kinetic energy of a wagon? Select all that apply.

Accepted Answer

add mass to the wagon

Accepted Answer

increase the speed of he wagon

Answer

decrease the mass of the wagon

Answer

decrease the speed of the wagon

Question 33

A dump truck, a sports car, and a bicycle are traveling at the same velocity. Which is true?

Accepted Answer

the bicycle has the least kinetic energy

Answer

they all have the same kinetic energy

Answer

the sports car has the most kinetic energy

Answer

more information is needed to compare their kinetic energy

Question 34

Moving a book to a lower shelf ________ its potential energy.

Accepted Answer

decreases

Answer

increaes

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