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ENERGY UNIT

Total questions: 102

Worksheet time: 58mins

Name
Class
Date
1.

Kinetic energy increases with what two factors.

a)

Speed

b)

Mass

c)

Direction

2.

Energy due to motion

a)

Thermal energy

b)

Gravitational energy

c)

Nuclear energy

d)

Kinetic Energy

3.

Energy due to position

a)

Thermal energy

b)

Gravitational energy

c)

Nuclear energy

d)

Kinetic Energy

4.

Can energy be created or destroyed?

a)

Yes

b)

No

c)

Sometimes

5.

A person running has _____ energy.

a)

gravitational

b)

kinetic

c)

elastic

d)

radiant

6.

What two quantities determine how much kinetic energy an object will have?

a)

distance and speed

b)

speed and energy

c)

speed and mass

d)

time and mass

7.

Which statement is true about energy?

a)

Energy can be transformed from gravitational energy to kinetic energy.

b)

Energy can be transformed from kinetic energy to gravitational energy.

c)

Energy can be transformed, but it cannot be created nor destroyed.

d)

All of the above are true.

8.

Potential energy that depends on height is called

a)

Mechanical energy

b)

Kinetic energy

c)

Gravitational energy

d)

Elastic energy

9.

The flexed string of an archer’s bow has what type of energy?

a)

Gravitational Energy

b)

Chemical Energy

c)

Elastic Energy

d)

Kinetic Energy

10.

Moving water can be used to produce electricity because

a)

Energy cannot be converted into other forms.

b)

Most forms of energy can be converted into other forms.

c)

Kinetic energy can be converted into gravitational energy, but not vice versa.

d)

gravitational energy can be converted into kinetic energy, but not vice versa.

11.

Observe the drawing of the roller coaster below. Which letter corresponds to the position of the roller coaster that will have the most kinetic energy?

a)

A

b)

B

c)

C

d)

D

12.

Observe the drawing of the roller coaster below. Which letter corresponds to the position of the roller coaster that will have the most gravitational energy?

a)

A

b)

B

c)

C

d)

D

13.

What is the independent variable in the experiment?

a)

Kinetic energy

b)

mass

c)

speed

d)

time

14.

Which variable must be controlled (kept constant) in an experiment to produce data that shows the effects of mass on kinetic energy?

a)

Kinetic energy

b)

mass

c)

speed

d)

time

15.

What is the dependent variable in the experiment?

a)

kinetic energy

b)

mass

c)

speed

d)

time

16.

What is the independent variable in the experiment?

a)

kinetic energy

b)

mass

c)

speed

d)

time

17.

Which variable must be controlled (kept constant) in an experiment to produce data that shows the effects of velocity on kinetic energy?

a)

kinetic energy

b)

mass

c)

velocity

d)

time

18.

What is the dependent variable in the experiment?

a)

kinetic energy

b)

mass

c)

velocity

d)

time

19.

____________ energy is energy that is stored in the bonds of compounds like food and fuel.

a)

Elastic

b)

Electrical

c)

Thermal

d)

Chemical

20.

Which of the following is an example of kinetic energy?

a)

Mowing the lawn

b)

Gasoline in a gas can

c)

Firework that has not been lit

d)

Food on a plate

21.

Which skier will have a greater gravitational energy? 

a)

Skier 1

b)

Skier 2

22.

Movement of energy from one object to another.

a)

Heat

b)

Energy Transfer

c)

Themal Energy

d)

Temperature

23.

The energy associated with movement is called...

a)

Chemical energy

b)

Thermal energy

c)

Sound energy

d)

Kinetic energy

24.
What type of energy is in this picture?
a)

Kinetic

b)

Elastic

c)

Chemical

d)

Sound

25.
You could find a lot this type of energy at the top of a tall tree.
a)

Electrical

b)

Kinetic

c)

Gravitational

d)

Elastic

26.

A cyclist stationary at the top of a hill has...

a)

Kinetic Energy

b)

Chemical Energy

c)

Elastic Energy

d)

Gravitational Energy

27.

Energy stored in objects being stretched or squashed...

a)

Elastic Energy

b)

Kinetic Energy

c)

Chemical Energy

d)

Thermal Energy

28.
When an object is moved to a higher position, what name is given to the energy it then stores?
a)

Gravitational

b)

Elastic

c)

Height

d)

Kinetic

29.

The energy going into an energy transfer is always equal to the energy coming out. True or False?

a)

True

b)

False

30.
What is energy transformation?
a)
a change of energy from one form to another
b)
when energy gets more energy added to it
c)
when energy gets destroyed
d)
a change in intensity
31.
Any object that rises and falls experiences a change in:
a)

gravitational energy & kinetic energy

b)

release of energy

c)

size

d)

color

32.

A ball is projected into the air. Where is gravitational energy the greatest?

a)
b)
c)
d)
33.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
34.
What would have the greatest kinetic energy?
a)
A car driving down a hill.
b)
A person running down a hill. 
c)
A ball rolling down a hill. 
35.

What two factors affect an object's kinetic energy?

a)

area and volume

b)

mass and weight

c)

weight and height

d)

mass and speed

36.

Where would this tossed baseball have the least amount of kinetic energy?

a)

point W

b)

point X

c)

point y

d)

point z

37.

How could you increase the gravitational energy of an object without changing its mass?

a)

Make the object larger

b)

Lower the object towards the ground

c)

Raise the object farther off the ground

d)

Allow the object to roll on the ground

38.

1. As an object falls, what happens to its gravitational energy?

a)

Increases

b)

Decreases

c)

Stays the same

d)

Need more information.

39.

1. As an object falls, what happens to its kinetic energy?

a)

Increases

b)

Decreases

c)

Stays the same.

d)

Need more information

40.

Select all the following that represents energy being converted.

a)

Playing with a yo-yo

b)

Kicking a soccer ball

c)

Bouncing a basketball

d)

A sitting book

41.

Select all the factors that influence the amount of elastic energy an object has.

a)

Mass

b)

Stretching

c)

Compression

d)

Hardness

42.

Select the factors that influence how much kinetic energy an object has.

a)

Mass

b)

Speed

c)

Height

d)

Length

43.

Select the factors that influence how much gravitational energy an object has.

a)

Mass

b)

Speed

c)

Height

d)

Length

44.

When a bouncing ball hits the ground and squishes, what is the main type of energy that it has?

a)

Kinetic

b)

Gravitational

c)

Elastic

d)

Chemical

45.

Which type of energy conversion is involved when the ball leaves the ground?

a)

Kinetic to gravitational

b)

Gravitational to kinetic

c)

Elastic to kinetic

d)

Kinetic to elastic

46.

What type of diagram does the image represent?

a)

Energy Conversion Diagram

b)

Energy Transfer Diagram

c)

Pendulum Diagram

d)

Moon Phases

47.

What does an energy conversion diagram show us?

a)

How energy transfers from one object to a different one.

b)

How energy transforms within an object.

c)

How an object moves.

d)

How much mass an object has.

48.

What type of diagram do these image represent?

a)

Energy Conversion Diagram

b)

Energy Transfer Diagram

c)

Energy Conservation Diagram

d)

Potential Energy Diagram

49.

What does an energy transfer diagram show us?

a)

How energy transfers from one object to a different one.

b)

How energy transforms within an object.

c)

How an object moves.

d)

How much mass an object has.

50.

When a pendulum swings, it loses energy to the...

a)

string

b)

air

c)

nothing

d)

water

51.

True or False: A pendulum swings faster in the middle.

a)

True

b)

False

52.

True or False: When a pendulum swings, gravitational energy converts into kinetic.

a)

True

b)

False

53.

Using the image, select the correct claim that explains what would happen to the gravitational force exerted by Earth on a rocket's altitude increases.

a)

As the rocket's altitude increases the distance also increases so gravitational force increases

b)

As the rocket's altitude increases distance also increases so gravitational force decreases

54.

An experiment was conducted to test bungee cords strength. What is the independent variable in the data table?

a)

Amount of jumpers

b)

Bungee cord length

c)

Jumper weight

d)

Types of bungee cords

55.

In the same bungee cord experiment, what is the dependent variable in the data table?

a)

Amount of jumpers

b)

Bungee cord length

c)

Jumper weight

d)

Types of bungee cords

56.

As the mass of the jumper changes, how do you think the gravitational force exerted by the Earth will be affected? Choose the best TWO answers.

a)

Gravitational force increases as the mass increases

b)

Gravitational force decreases as the mass increases

c)

Gravitational force increases as the mass decreases

d)

Gravitational force decreases as the mass decreases

e)

Gravitational force stays the same no matter what

57.

Which factors most directly affect the amount of gravitational energy in an object? Choose the best TWO answers.

a)

Weight

b)

Mass

c)

Speed

d)

Height

e)

Sound

58.

What variable would you change to increase the kinetic energy of the rolling marble?

a)

Increase the length of the ramp

b)

Increase the height of the ramp

c)

Decrease the length of the ramp

d)

Decrease the height of the ramp

59.

A red marble is rolled down a ramp. It hits the blue marble. The red marble stops moving upon impact and the blue marble moves. Which statement best describes how the law of conservation of energy is demonstrated.

a)

No energy is transferred by the blue marble to the red marble

b)

The red marble transferred all of its gravitational energy to the blue marble

c)

The blue marble transferred all of its kinetic energy to the red marble

d)

All of the kinetic energy of the red marble is transferred to the blue marble

60.

As a marble rolls down a ramp, it goes faster and faster. Which statement best explains this phenomenon?

a)

The ball's gravitational energy is changing to kinetic energy

b)

The ball is rapidly gaining gravitational energy from the ramp

c)

The ball is rapidly losing kinetic energy as it rolls down the ramp

d)

The ball will continue gaining kinetic energy until it stops

61.

A marble rolls down a ramp that is supported by 4 books. During the next trial 2 books are removed. Which statement best describes how the marble's motion is different after the books are removed?

a)

The marble accelerates more quickly down the ramp

b)

The marble has a higher speed at the top of the ramp

c)

The marble takes more time to reach the bottom of the ramp

d)

The marble has a higher average speed when it rolls off the ramp

62.

An object's gravitational energy store can be increased by...

a)

decreasing the size of the object

b)

by lifting the object higher

c)

increasing the speed of the object

d)

decreasing the mass of the object

63.

Which ball has more gravitational energy?

a)

The ball on the lower chair

b)

The ball on the higher chair

64.

when object height increases , gravitational energy________

a)

increases

b)

decreases

c)

does not change

65.

Which point has the least amount of gravitational energy?

a)

A

b)

B

c)

C

d)

D

66.

Which point has the most gravitational energy

a)

A

b)

B

c)

C

d)

D

67.

Which point has the least amount of gravitational energy?

a)

A

b)

B

c)

C

d)

D

68.

When a pendulum swings, at which point is gravitational energy at its greatest?

a)

2

b)

3

c)

4

d)

1 and 5

69.

At which point does the ball has the greatest gravitational energy?

a)

b

b)

c

c)

f

d)

a

70.

Which point represents maximum gravitational energy? 

a)

z

b)

y

c)

x

d)

w

71.

Why does an object hit the ground with more force when it starts from a higher point

a)

because it has less gravitational energy

b)

because it has the same gravitational energy

c)

because it has more gravitational energy

d)

It does not have more force when dropped from a higher point

72.

At what position does the rock have the greatest kinetic energy?

a)

E

b)

D

c)

C

d)

A

73.

The rock in the picture is pushed over the edge and it begins to fall. Which type of energy conversion is taking place?

a)

thermal to gravitational

b)

sound to elastic

c)

gravitational to kinetic

d)

kinetic to gravitational

74.

A drawn bow possesses energy in the form of _______________. After the arrow is released, the energy is transformed into _________________.

a)

gravitational energy; elastic energy

b)

elastic energy; kinetic energy

c)

gravitational energy; kinetic energy

75.

In the figure, GE is being converted into KE from

a)

point A to point B

b)

point B to point C

c)

The only energy involved here is kinetic.

d)

Energy is not being converted.

76.

What happens when the ball goes from left to right as it swings, slows down, and eventually stops?

a)

The amount of energy the ball has stays the same because it does not transfer any energy to the surroundings (air)

b)

Impossible to know without knowing the mass of the object

c)

GE and KE decrease because energy is transferred to the surroundings (air)

d)

The ball gains EE as it swings from left to right

77.

What happens to the energy when you kick a soccer ball?

a)

energy is created

b)

energy is destroyed

c)

energy is transferred to the ball

d)

energy is transferred to your foot

78.

Identify the correct energy conversions that occurred as the ball dropped from point 6 - 7 on the diagram above.

a)

KE, GE, KE, Elastic E

b)

GE, KE, Elastic E

c)

GE, Elastic E, GE, KE

d)

GE, Elastic E

79.

What type of energy conversion occurs when the rubber band it released?

a)

elastic to kinetic

b)

gravitational to elastic

c)

elastic to chemical

d)

elastic to thermal

80.

Why does the maximum bounce height of the ball get smaller over time?

a)

The surroundings transfers energy to the ball

b)

The ball transfers energy to the surroundings

c)

The energy just disappears

d)

The ball never had any energy

81.

When the red curling stone hits the yellow curling stone what is happening in relationship to energy.

a)

energy is created by the yellow stone when the red stone hits it

b)

energy is destroyed by the red stone hitting the yellow stones

c)

energy is transferred from the red stone to the other stones

82.

What type of energy is transferred to the soccer ball when it is kicked?

a)

KE

b)

GE

c)

None

83.
Matter can not be created nor destroyed: it can only be
a)
Destroyed a little bit
b)
Invisible
c)
Transformed, changed
d)
None of the above
84.

Why does the maximum bounce height of the ball get smaller over time?

a)

The surroundings transfers energy to the ball

b)

The ball transfers energy to the surroundings

c)

The energy just disappears

d)

The ball never had any energy

85.
What is energy conversion?
a)
one type of energy changing to another type of energy
b)
energy in one object going into another object
c)
energy units changing
d)
energy units staying the same
86.

when energy moves from one object to another without changing form

a)

energy motion

b)

energy transformation

c)

energy transfer

d)

law conservation of energy

87.

When Gabriel sleds down this hill, when is his Kinetic Energy the LEAST?

a)

1

b)

2

c)

3

d)

4

88.

When Gabriel sleds down this hill, when is his Kinetic Energy the most?

a)

1

b)

2

c)

3

d)

4

89.

Which of the following is an example of an energy conversion? Choose ALL that apply.

a)

Bouncing a ball

b)

Throwing a piece of paper

c)

A pencil sitting on a desk

d)

Hitting pins with a bowling ball

90.

Which energy type is present at position A?

a)

KE

b)

GE

c)

EE

d)

None

91.

What energy type is present at position B?

a)

KE

b)

GE

c)

EE

d)

None

92.

What term represents the "ground" or zero elevation when discussing a pendulum?

a)

Reference Height

b)

Referral Line

c)

Refrigerator Door

d)

Revealing Height

93.

Fill in the blanks. As an object falls, its ______________ energy increases and ______________ energy decrease.

a)

gravitational, kinetic

b)

kinetic, elastic

c)

elastic, gravitational

d)

kinetic, gravitational

94.

As speed decreases, kinetic energy _______.

a)

Increases

b)

Decreases

c)

Stays the same

95.

As speed decreases, kinetic energy _______.

a)

Increases

b)

Decreases

c)

Stays the same

96.

What type of energy conversion occurs when an object falls to the ground?

a)

KE to GE

b)

GE to KE

c)

KE to CE

d)

CE to GE

97.

What type of energy conversion occurs when a pendulum swings?

a)

GE to KE to GE

b)

KE to GE to KE

c)

KE to CE to GE

d)

CE to GE to KE

98.

What does an energy transfer diagram show us?

a)

How energy transfers from one object to a different one.

b)

How energy transforms within an object.

c)

How an object moves.

d)

How much mass an object has.

99.

True or False: A pendulum swings faster in the middle.

a)

True

b)

False

100.

When a pendulum swings, it loses energy to the...

a)

string

b)

air

c)

nothing

d)

water

101.

As a skateboarder travels up a half-pipe, how does his energy change?

a)

His potential energy changes into kinetic energy.

b)

His kinetic energy changes into potential energy.

c)

His chemical energy changes into kinetic energy.

d)

His thermal energy changes into potential energy.

102.

How does a rubber band gain elastic potential energy?

a)

By keeping it in your hand

b)

By laying it on a table

c)

By throwing it

d)

By stretching it

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