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Chapter 3 - Energy

Total questions: 70

Worksheet time: 1hrs 10mins

Name
Class
Date
1.

Energy is ...

a)

a change from one thing to another

b)

the ability to make a change

2.

Energy that moves objects

a)

mechanical energy

b)

thermal energy

c)

sound energy

3.

The total amount of energy from the movement of particles in matter.

a)

mechanical energy

b)

thermal energy

c)

electromagnetic energy

4.
Potential energy is
a)
Energy that is being used or in motion.
b)
Energy being saved or stored for later use.
c)
when matter is vibrated
5.
As an object (like a ball) falls down through the air, the kinetic energy
a)
increases
b)
stays the same
c)
decreases
6.
As an object (like a ball) falls down through the air, the potential energy
a)
increases
b)
decreases
c)
stays the same
7.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
8.
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
9.
On a roller coaster, where is maximum potential 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
10.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
11.
Kinetic energy is energy due to...
a)
interactions between objects or particles
b)
motion
c)
elasticity
d)
mass
12.
What form of energy is best shown in the picture below?
a)
mechanical energy
b)
thermal energy
c)
nuclear energy
d)
light energy
13.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill 
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall 
d)
d. a piece of coal before it's burned 
14.
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. 
15.

Increasing an object's mass will increase its kinetic energy.

a)

true

b)

false

16.

Increasing an object's speed will increase its kinetic energy.

a)

false

b)

true

17.

What is potential energy?

a)

The energy an object has due to its atomic structure.

b)

The energy an object has due to its wasted energy.

c)

The energy an object has due to its motion.

d)

The energy an object has due to its position or chemical composition.

18.

What is kinetic energy?

a)

The energy an object has due to its position or condition

b)

The energy an object has due to its motion

c)

The energy an object has due to its chemical composition

d)

The energy an object has due to its atomic structure

19.

When does an object have no kinetic energy?

a)

When it's at rest.

b)

When it's moving very slowly.

c)

When the only force that's acting on it is gravity.

d)

When it has no electrical charge.

20.

Which object has the most potential energy?

a)

A ball resting on the ground.

b)

A ball being thrown at 100 miles per hour.

c)

A ball on top of a refrigerator.

d)

A ball resting on the edge of a cliff.

21.

When does a yo-yo have the most potential energy?

a)

When it's at its highest point.

b)

When it's close to its lowest point.

c)

When it's moving between its highest and lowest points.

d)

When it's moving at its top speed.

22.

When is potential energy transformed into kinetic energy?

a)

When an object at rest is lifted to a higher elevation.

b)

When an object at rest remains at rest.

c)

When an object at rest is put into motion.

d)

When an object in motion is stopped and put at rest.

23.

Four cars are positioned at the top of a hill. Which car has the most potential energy?

a)

A

b)

B

c)

C

d)

D

24.

Why do objects at high elevations have more potential energy than objects at low elevations?

a)

Because the thinner air at higher elevations means objects have a greater potential to move very fast

b)

Because objects at high elevations are closer to the sun, which is the source of all energy on earth

c)

Because objects at high elevations tend to move slower than objects at low elevations

d)

Because gravity gives objects at high elevations the potential to fall much further

25.

Which is the best synonym for potential energy?

a)

Stored energy

b)

Energy of motion

c)

Energy due to gravity

d)

Mechanical energy

26.
The law of conservation of energy states that when one form of energy is converted into another,
a)
energy is destroyed in the process
b)
no energy is destroyed in the process
c)
energy is created in the process
d)
some amount of energy cannot be accounted for
27.

What kind of energy does an object possess when it's resting on top of the hill?

a)

Potential Energy

b)

Chemical Energy

c)

Kinetic Energy

d)

All of the above

28.
Which 2 letters have the most kinetic energy
a)
W & Y
b)
X & Z
29.
Energy can be created.
a)
True
b)
False
30.

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

a)

mechanical to heat

b)

sound to mechanical

c)

potential to kinetic

d)

kinetic to potential

31.

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

a)
b)
c)
d)
32.

Which point on the roller coaster's path represents the maximum potential energy?

a)
b)
c)
d)
33.

As a roller coaster goes downhill

a)

kinetic energy is converted into potential energy.

b)

potential energy is converted into kinetic energy.

c)

electrical energy is converted into potential energy.

d)

potential energy is converted into electrical energy.

34.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
35.
The Ability to do work
a)
Soil 
b)
Energy 
c)
Matter
d)
Math
36.
Energy of moving particles of atoms that make up all  matter. 
a)
Thermal Energy 
b)
Chemical Energy 
c)
Electrical Energy 
d)
Electromagnetic Energy 
37.
Energy stored in atomic bonds that form molecules
a)
Thermal Energy
b)
Chemical Energy
c)
Electrical Energy
d)
Electromagnetic Energy
38.
Energy harnessed from the sun ( radiant light and heat)
a)
Wind Energy 
b)
Hydropower
c)
Solar Energy 
d)
Nuclear Energy
39.

Four balls are thrown at the same velocity, with different masses. Which ball has the most kinetic energy?

a)

The 20g ball

b)

The 50g ball

c)

The 24g ball

d)

The 40g ball

40.

What type of potential energy provides the energy needed to burn wood?

a)

Nuclear

b)

Chemical

c)

Thermal

d)

Elastic

41.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
42.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
43.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
44.
Energy that is stored in bonds between atoms is:
a)
Mechanical energy
b)
Chemical energy
c)
Kinetic energy
d)
Nuclear energy
45.
Heat energy is also called
a)
electrical energy
b)
chemical energy
c)
light energy
d)
thermal energy
46.

When energy changes from one form to another, we call it a _______________.

a)

transformation

b)

creation

c)

expiration

d)

compilation

47.

What is the energy conversion when you plug in a stereo and listen to music?

a)

electrical to mechanical

b)

chemical to heat

c)

electrical to sound

d)

potential to sound

48.

What is the energy conversion when you burn wood for a fire?

a)

electrical to thermal

b)

light to kinetic

c)

chemical to thermal

d)

chemical to electrical

49.

What is the energy conversion when you put batteries in a flashlight to make it turn on?

a)

chemical to light

b)

light to kinetic

c)

chemical to thermal

d)

nuclear to light

50.

What is the energy conversion when photosynthesis takes place as the sun makes a plant grow?

a)

thermal to chemical

b)

potential to nuclear

c)

chemical to potential

d)

light to chemical

51.

What is the energy conversion when you eat food for fuel to go for a run?

a)

chemical to nuclear

b)

kinetic to chemical

c)

chemical to kinetic

d)

potential to chemical

52.

What is the energy conversion when you use gasoline to make a car move?

a)

chemical to kinetic

b)

chemical to potential

c)

potential to light

d)

nuclear to kinetic

53.

What is the energy conversion when water moves over a dam to power a city's energy grid?

a)

electrical to chemical

b)

kinetic to electrical

c)

nuclear to electrical

d)

kinetic to potential

54.

What is the energy conversion when you burn natural gas to light a stove?

a)

chemical to kinetic

b)

electrical to thermal

c)

thermal to potenial

d)

chemical to thermal

55.

Four cars, with the same mass, are racing around a track at different speeds. Which car has the most kinetic energy?

a)

the car traveling at 200 mph

b)

the car traveling at 205 mph

c)

the car traveling at 198 mph

d)

the car traveling at 202 mph

56.

What type of energy does a spinning turbine have?

a)

electrical energy

b)

nuclear energy

c)

thermal energy

d)

mechanical energy

57.

An example of something that stores chemical energy is ____________.

a)

lightening

b)

a microwave

c)

a match

d)

light

58.

Potential energy that depends on height is called _____________.

a)

kinetic energy.

b)

gravitational potential energy.

c)

elastic potential energy.

d)

mechanical energy.

59.

A large truck and a small car are moving at the same speed. The truck has greater kinetic energy because its _______________ is greater.

a)

mass

b)

height

c)

velocity

d)

length

60.

To maintain your body temperature, your body converts chemical energy into ____________________ energy.

a)

potiential

b)

thermal

c)

chemical

d)

mechanical

61.

Which position would represent the most potential energy and the least kinetic energy?

a)

A

b)

B

c)

C

d)

D

62.

Potential energy depends on ____________ & ______________.

a)

mass, speed

b)

mass, position

c)

speed, position

d)

mass, weight

63.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
64.
Efficiency is...
a)
The percentage of energy that is actually used to do work
b)
The stuff in the walls that keeps energy in
65.
Leaving lights on in vacant rooms, washing clothes in hot water, and driving alone are examples of what?
a)
low energy efficiency
b)
moderate energy efficiency
c)
high energy efficiency
66.

Earth’s nearest star (our Sun) radiates this type of energy.

a)

Solar

b)

Coal

c)

Propane

d)

Oil

67.
This energy comes from splitting Uranium atoms.
a)
Nuclear
b)
Petroleum
c)
Natural Gas
d)
Wind
68.
In energy transformations, "wasted energy" usually takes what form?
a)
heat
b)
chemical energy
c)
light
d)
sound waves
69.

Energy efficiency of incandescent lightbulbs is

a)

50%

b)

25%

c)

15%

d)

5%

70.
The house illustrated here uses panels on the roof to collect a natural resource and convert it into electricity that can be used.
Which alternative energy source does this house use?
a)
Water
b)
Wind
c)
Solar
d)
Geothermal

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