Quiz about Describing Energy

Question 1

According to the formula for kinetic energy, a car that is stopped at a stop light can still possess kinetic energy.

Accepted Answer

False

Answer

True

Question 2

An object possesses chemical energy based on the motion of its molecules.

Accepted Answer

False

Answer

True

Question 3

All of the many forms of energy generally fit into two categories, kinetic and potential.

Accepted Answer

True

Answer

False

Question 4

Energy that is stored in objects due to its position is known as kinetic energy.

Accepted Answer

False

Answer

True

Question 5

Various forms of potential energy include gravitational energy, elastic energy, nuclear energy, and mechanical energy.

Accepted Answer

False

Answer

True

Question 6

Which kind of energy do flowing electrons have?

Accepted Answer

Electrical

Answer

Thermal

Answer

Gravitational

Answer

Nuclear

Question 7

The water in this pot is boiling. Which word best describes the energy of the boiling water?

Accepted Answer

Thermal

Answer

Elastic

Answer

Electrical

Answer

Gravitational

Question 8

Which type of energy is stored as sugars in plant leaves?

Accepted Answer

Chemical

Answer

Electrical

Answer

Elastic

Answer

Mechanical

Question 9

Four balls roll down a staircase. Which ball has the most potential energy?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 10

Which three terms are needed to describe the energy that a BASE jumper or sky diver has as she falls toward the ground?

Accepted Answer

Gravitational

Accepted Answer

Kinetic

Accepted Answer

Potential

Answer

Electromagnetic

Question 11

Which object has the most kinetic energy?

Accepted Answer

A roller coaster rolling down a steep track

Answer

A charged battery sitting in a kitchen drawer

Answer

A pear falling from the top branch of a tree

Answer

A swimmer sitting on a diving board at the pool

Question 12

A student studies the effect of an object's speed on its amount of kinetic energy. This graph summarizes the data from the study. Which statement best describes what the graph shows?

Accepted Answer

As speed increases, kinetic energy increases exponentially.

Answer

As speed increases, kinetic energy stays the same.

Answer

As kinetic energy increases, speed decreases exponentially.

Answer

As speed decreases, kinetic energy doubles each time.

Question 13

When would a swimmer have the most potential energy due to her position?

Accepted Answer

Sitting on the highest diving board at the pool

Answer

Touching the bottom of the pool

Answer

Traveling across the pool using the backstroke

Answer

Kicking off the side of the pool during a race

Question 14

A student studies how an object's mass and speed are related to its kinetic energy. The table shows the results for one part of the investigation.

Accepted Answer

Mass

Answer

(kg)

Answer

Speed

Answer

(m/s)

Question 15

A graph showing the kinetic energy of a 10 kg object at different speeds is provided. Based on the information in the graph, we can predict that the kinetic energy of the object at 2 m/s would be

Accepted Answer

20 Joules.

Answer

12 Joules.

Answer

38 Joules.

Answer

44 Joules.

Question 16

If the mass of a moving object was less, what would happen to the kinetic energy of the object?

Accepted Answer

The kinetic energy would be less.

Answer

The kinetic energy would be the same.

Answer

The kinetic energy would be more.

Answer

The object would not have any kinetic energy.

Question 17

A graph showing the kinetic energy and speed of a moving object is provided. Which of the following can be concluded from the graph?

Accepted Answer

Kinetic energy increases as speed increases.

Answer

Kinetic energy only changes when speed changes.

Answer

Speed is only related to the size of an object.

Answer

All moving objects have the same kinetic energy.

Question 18

A pendulum is an object that swings back and forth on a string or chain of some kind. The kinetic energy of the pendulum is increasing, and its potential energy is decreasing when it moves

Accepted Answer

from point 1 to 2.

Answer

from point 3 to 4.

Answer

from point 4 to 5.

Answer

from point 3 to 2.

Question 19

If the speed of a 26 kg object doubles from 7 m/s to 14 m/s, then the kinetic energy

Accepted Answer

quadruples.

Answer

also doubles.

Answer

is cut in half.

Answer

is not affected.

Question 20

An object with potential energy has the potential to move

Accepted Answer

because of its position.

Answer

because of its speed.

Answer

because of its acceleration.

Answer

because of its kinetic energy.

Question 21

Which of the following is not a type of potential energy?

Accepted Answer

kinetic

Answer

gravitational

Answer

elastic

Answer

chemical

Question 22

The unit for measuring potential energy is called the

Accepted Answer

joule.

Answer

newton.

Answer

meter.

Answer

volt.

Question 23

A swinging pendulum would have the greatest potential energy

Accepted Answer

at the highest point.

Answer

at the lowest point.

Answer

when it is moving the fastest.

Answer

when it has stopped swinging and is completely at rest.

Question 24

The image here shows four soccer balls at four different locations on an uneven soccer field very near sea level. Which soccer ball has the greatest amount of potential energy?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 25

Imagine you are at a playground with a slide. At what point on the slide does your kinetic energy increase while your potential energy decreases?

Accepted Answer

When you sliding down, halfway to the bottom.

Answer

When you are climbing up the ladder to the top of the slide.

Answer

When you are sitting down at the end of the slide.

Answer

When you are at the top of the slide, ready to go down.

Question 26

The image here shows four soccer balls at four different locations on an uneven soccer field very near sea level. Which soccer ball has the greatest amount of kinetic energy?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 27

The unit commonly used for measuring kinetic energy is the

Accepted Answer

joule.

Answer

newton.

Answer

volt.

Answer

meter per second.

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