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Potential and Kinetic Energy UNIT REVIEW

Total questions: 45

Worksheet time: 44mins

Name
Class
Date
1.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
2.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
3.
__________ is stored energy. 
a)
Potential
b)
Kinetic
c)
None of the above 
d)
All of the above 
4.
When you are holding a book, energy is stored between the book and Earth; this type of energy is called ________ potential energy. 
a)
Kinetic
b)
Elastic
c)
Gravitional
d)
Chemical
5.
Food has _________ energy. 
a)
Potential 
b)
Kinetic 
c)
None of the above 
d)
All of the above 
6.
Can energy be destroyed?
a)
no
b)
yes
7.
Can energy be changed?
a)
yes
b)
no
8.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
9.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
10.
What kind of energy is in flowerpot sitting on a windowsill?
a)
Potential
b)
Kinetic
11.
Energy can not be created or destroyed, only converted from one form to another.
a)
true
b)
false
12.
Energy can be _____________ or changed from one type to another.
a)
destroyed
b)
transferred
c)
created
d)
ignored
13.
What kind of energy is in a battery?
a)
Potential
b)
Kinetic
14.
When plants convert the sun's energy into food, which type of energy is it?
a)
electrical
b)
chemical
c)
thermal
d)
radiant
15.
Energy stored in the height of an object is called ___________ potential energy.
a)
Elastic
b)
Chemical
c)
Gravitational
d)
Nuclear
16.
When you stretch a rubber band, you are storing __________ energy. 
a)
kinetic 
b)
potential
c)
none of the above
d)
all of the above 
17.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
18.
On a roller coaster, where is maximum kinetic energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
19.
Energy stored by things above earth (things that can fall)
a)
Chemical Potential Energy
b)
Elastic Potential Energy
c)
Kinetic Energy
d)
Gravitational Potential Energy
20.
Energy stored in food and fuels
a)
Gravitational potential energy
b)
Chemical Potential Energy
c)
Elastic Potential Energy
d)
Energy
21.
Energy stored by things that stretch
a)
Kinetic Energy
b)
Gravitational Potential Energy
Energy
c)
Chemical Potential Energy
d)
Elastic Potential Energy
22.

When the mass of an object increases, what happens to its kinetic energy?

a)

Kinetic energy decreases

b)

Kinetic energy increases

23.

When the mass of an object decreases, what happens to its kinetic energy?

a)

Kinetic energy decreases

b)

Kinetic energy increases

24.

Steve, Mary, Annie, and James hit four identical tennis balls with a racket. The diagram below shows the top speed at which each tennis ball moved when it was hit.

Based on the diagram, which of the following is true about the tennis balls when they were at their top speed?

a)

James's ball had the most kinetic energy.

b)

Steve's ball had the most kinetic energy.

c)

Mary's ball had the most kinetic energy.

d)

Annie's ball had the most kinetic energy.

25.

Kinetic energy is the energy of motion. How could you determine how much kinetic energy an object has?

a)

by finding its height and width

b)

by finding its speed and direction

c)

by finding its position and form

d)

by finding its mass and speed

26.

A pitching machine is used to pitch two balls. The speed of both balls is 94 km/hr.

The mass of one ball is 5 grams, and the mass of the other ball is 50 grams. Since both balls are traveling at the same speed, which of the following is true?

a)

Neither ball has any kinetic energy.

b)

The 5-gram ball has more kinetic energy than the 50-gram ball.

c)

The balls have the same kinetic energy.

d)

The 50-gram ball has more kinetic energy than the 5-gram ball.

27.

A small car is traveling at a speed of 60 mph on the highway. In the next lane, a large passenger bus is traveling at the same speed.

Which of the following is true?

a)

The car and the bus have potential energy, not kinetic energy.

b)

The car and bus have the same amount of kinetic energy.

c)

The car has more kinetic energy than the bus.

d)

The bus has more kinetic energy than the car.

28.

A graph showing the kinetic energy of a ball over time is shown below.

Which of the following statements best explains the relationship between the kinetic energy of the ball and its speed?

a)

The kinetic energy of the ball increases over time as the ball travels at a constant speed.

b)

The kinetic energy of the ball increases as its speed increases.

c)

The kinetic energy of the ball decreases as its speed increases.

d)

The kinetic energy of the ball remains the same as its speed increases.

29.

Kinetic energy is measured in

a)

Newtons (N)

b)

Joules (J)

c)

Kilograms (kg)

d)

miles per hour (mph)

30.

Mass and speed both affect the amount of kinetic energy an object has, but ____________ has a greater effect.

a)

mass

b)

speed

c)

volume

d)

weight

31.

KE=12mv2KE=\frac{1}{2}mv^2  

This is the equation for kinetic energy. Based on the equation, which of the following graphs most closely resembles the relationship between mass (m) and kinetic energy (KE)?

a)
b)
32.

KE=12mv2KE=\frac{1}{2}mv^2  

This is the equation for kinetic energy. Based on the equation, which of the following graphs most closely resembles the relationship between speed or velocity (v) and kinetic energy (KE)?

a)
b)
33.
Energy can be created.
a)
True
b)
False
34.
Energy cannot be destroyed.
a)
True 
b)
False
35.
When something is dropped, what type of energy transfer takes place?
a)
Kinetic -> Potential
b)
Gravitational Potential -> Kinetic -> Sound
c)
Electrical -> Chemical
d)
Heat -> Nuclear
36.
Food has _______ potential energy that our bodies transform into kinetic energy.
a)
Elastic
b)
Nuclear 
c)
Gravitational
d)
Chemical
37.
According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?
a)
The total amount of energy is conserved
b)
The total amount of energy is less after a reaction
c)
The total amount of energy is more after a reaction
38.
The Law of Conservation of Energy states:
a)
Energy can created or destroyed but not transformed 
b)
Energy cannot be created or destroyed, it can only transformed
c)
Energy can't be created, destroyed or transformed
39.
When a roller coaster is at the bottom of the hill...
a)
The potential energy is greatest, and kinetic energy is least
b)
The kinetic energy is greatest, and potential energy is least
c)
Kinetic and Potential energy are equal
40.
According to the Law of Conservation of Energy, energy can...
a)
Change from one form to another
b)
Be created
c)
Be destroyed
41.
Potential energy is...
a)
the energy an object has due to its motion
b)
the energy an object has due to its position
c)
created due to friction
42.
In a real life situation, when a roller coaster is released from the top of a hill, halfway down the hill...
a)
Exactly half of the energy is kinetic and half of the energy is potential
b)
All of the energy is potential
c)
All of the energy is kinetic
d)
Some of the potential is converted to kinetic and a small amount is transformed into thermal energy
43.
As the skater was moved higher up the ramp, the amount of potential energy...
a)
Increased
b)
Decreased
c)
Stayed the same
44.
Two books of the same mass are on a bookcase.  One book is 10 meters above the floor and the other book 8 meters.  Which one has more potential energy?
a)
The book at 8 meters
b)
The potential energies are equal
c)
The book at 10 meters
45.

Suppose you are shooting a basketball toward a hoop. As the ball rises in the air, its __________ energy increases and its __________ energy decreases.

a)

potential, kinetic

b)

kinetic, potential

c)

friction, kinetic

d)

potential, friction

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