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Unit 3: Energy and Energy Transformations Review

Total questions: 140

Worksheet time: 2hrs 9mins

Name
Class
Date
1.

Which energy transformation: burning a log

a)

chemical to thermal

b)

light to chemical

2.

Which energy transformation: baking a turkey in the oven.

a)

thermal to chemicl

b)

mechanical to sound

3.

Which energy transformation: hitting a baseball with a bat.

a)

thermal to mechanical

b)

mechanical to sound

4.

Which energy transformation: eating an apple and running a mile

a)

chemical to mechanical

b)

thermal to light

5.

Which energy transformation: shining a flashlight

a)

light to mechanical

b)

chemical to light

6.

Which energy transformation: a flower growing

a)

light to chemical

b)

sound to mechanical

7.

Which energy transformation: playing a guitar

a)

mechanical to light

b)

mechanical to sound

8.

Which energy transformation: running a mile

a)

mechanical to thermal

b)

thermal to light

9.

Which energy transformation: a windmill spinning to generate electricity

a)

electrical to sound

b)

mechanical to electrical

10.

Which energy transformation: turning on a lamp in a dark room.

a)

electrical to light

b)

thermal to mechanical

11.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
12.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
13.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place
14.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
solar
b)
light
c)
thermal
d)
mechanical
15.
A hairdryer converts -- 
a)
electrical energy into chemical
b)
electrical energy into thermal
c)
chemical energy into mechanical
d)
thermal energy into mechanical
16.
Electrical -> Mechanical -> Sound 
a)
A triple beam balance measuring an object’s mass
b)
A pencil sharpener plugged into a wall outlet
c)
A projector displaying a diagram on the screen
d)
A working flashlight used to light up a dark corner
17.
Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
a)
Chemical to light
b)
Electrical to chemical
c)
Electrical to light
d)
Chemical to electrical
18.
Which of the following devices transforms electrical energy into mechanical energy?
a)
An e-reader
b)
a fan
c)
a manual pencil sharpener
d)
ipod
19.
Name the energy transformations taking place when I plug in my radio and it begins playing.
a)
Thermal to mechanical to electrical
b)
Radiant to chemical
c)
Electrical to sound
20.
What is Energy?
a)
The transfer energy when a force is applied over a distance.
b)
The ability to cause change or the ability to do work.
c)
The energy of an object has because of its motion.
21.
What is electrical energy?
a)
The energy that an electric current carries. When you plug something in, this energy flows.
b)
Energy carried in waves of vibrating matter. It cannot travel through empty space (it MUST have matter to travel)
c)
Energy stored in objects that are compressed or stretched like springs or rubber bands.
22.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
23.

The electrical energy of the stove is transferred to _____ energy.

a)

Solar

b)

Thermal

c)

Potential

d)

Electrical

24.

Which items would have this energy transformation: electrical energy -> thermal energy and light energy?

a)

toaster

b)

candle burning

c)

windmill turning

d)

Iron for your clothes

25.

Energy is ______________

a)

The capacity to do work

b)

The temperature of matter

c)

A state of matter

d)

Colors of the rainbow

26.

What energy is given off when a cell phone RINGS?

a)

thermal energy

b)

sound energy

c)

kinetic energy

d)

trampoline energy

27.

Which energy transformation occurs in a toaster?

a)

Thermal to potential

b)

Chemical to electric

c)

Radiant to chemical

d)

Electric to thermal

28.

The energy found in fossil fuels ORIGINALLY came from

a)

dead animals

b)

the sun

c)

the moon

d)

dead plants

29.

A light bulb converts

a)

light energy to electrical energy

b)

electrical energy to radiant and thermal energy

c)

electrical energy to chemical energy

d)

thermal energy to nuclear energy

30.

If you eat lunch and run a mile, what energy conversion occurred?

a)

chemical to mechanical

b)

electrical to mechanical

c)

mechanical to nuclear

d)

nuclear to electric

31.

Which of the following is a conversion from elastic potential energy to mechanical energy?

a)

turning on a stove to make dinner

b)

jumping on a trampoline

c)

breathing in and out

d)

turning on a light switch

32.

During photosynthesis, energy is transformed from

a)

potential to kinetic

b)

chemical to radiant

c)

radiant to chemical

d)

none of the above

33.

A cell phone gets plugged into the electrical outlet to recharge the battery. Which of the following energy transformations occur during the charging?

a)

chemical to radiant

b)

mechanical to chemical

c)

elastic to potential

d)

electrical to chemical

34.

A wind turbine transforms the

a)

chemical energy of wind to potential energy

b)

mechanical energy of wind into electrical energy

c)

electrical energy of wind into radiant energy

d)

radiant energy of wind into chemical energy

35.

You think it is too hot so you plug in a fan, then turn it on. What energy transformation occurs?

a)

electromagnetic to mechanical

b)

mechanical to electrical

c)

wind to chemical

d)

Electrical to mechanical

36.

A cat is walking on a bookshelf and accidentally knocks a figurine off the shelf. What type of energy conversion occurs?

a)

mechanical to kinetic

b)

potential to kinetic

c)

magnetic to gravitational

d)

electric to thermal

37.
Conduction is heat transfer by -
a)
Touch
b)
Circles
c)
Waves
38.
Warm air rises and the cool air sinks demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
d)
Insolation 
39.
The heat from a hot burner to a pot is transferred by ______.
a)
convection
b)
insulation
c)
radiation
d)
conduction
40.
Radiation is a method of thermal energy transfer that moves -
a)
through empty space.
b)
when objects touch.
c)
only through solids.
d)
in the motion of fluids.
41.
Which of the following are kinds of heat transfer.
a)
Conduction
b)
Convection
c)
Radiation
d)
All of the above
42.

What type of heat transfer takes place in liquids and gasses?

a)

Conduction

b)

Convection

c)

Radiation

d)

Thermal Equilibrium

43.
What type of heat transfer takes place in solids?
a)
Conduction
b)
Convection
c)
Radiation
44.
Which example below is an example of convection?
a)
Standing on a hot metal bridge
b)
The attic is warmer than the basement
c)
The Sun heating the Earth
d)
Touching hot sand with your feet
45.
Which example below is an example of radiation?
a)
Standing on a hot metal bridge
b)
The attic is warmer than the basement
c)
The Sun heating the Earth
d)
Touching hot sand with your feet
46.
What happens to particles as they heat up?
a)
They slow down
b)
Nothing
c)
They don't move
d)
They speed up
47.
What would be the effect on the particles if more heat is supplied to the system?
a)
They would slow down
b)
They would stop moving
c)
They would speed up
d)
There would be no effect
48.

What is defined as a measure of the average kinetic energy of the particles in a sample of matter?

a)

Temperature

b)

Heat

c)

Specific Heat

d)

Mechanical Energy

49.

_____________ is the form of energy that is transferred between systems or objects with different temperatures.

a)

Temerature

b)

Heat

c)

Specific Heat

d)

Mechanical Energy

50.

How does heat energy reach the Earth from the Sun

a)

Convection

b)

Radiation

c)

Conduction

d)

Insulation

51.
What is the definition of CONDUCTION?
a)
When heat is transferred from objects like rays of light or electromagnetically.
b)
a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
52.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high. 
53.
Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
54.

_________________ is the transfer of energy through or by electromagnetic waves.

a)

Conduction

b)

Convection

c)

Radiation

55.

Movements of water in a pot, molten mantle in the earth's crust and hot air rising in the atmosphere are examples of

a)

Sublimation

b)

Convection

c)

Conduction

d)

Radiation

56.
When the 2nd story of a house is warmer than the 1st floor of a house is heat transfer through 
a)
conduction
b)
convection
c)
radiation
d)
thermal equilibrium
57.
The sun warming your skin is an example of heat transfer through 
a)
conduction
b)
convection
c)
radiation
d)
thermal electricity
58.
What happens to particles as they cool down?
a)
They slow down
b)
Nothing
c)
They don't move
d)
They speed up
59.
Conduction, Convection and Radiation are three types of...
a)
Electrical energy
b)
Thermal Energy
c)
Chemical Energy
d)
Sound Energy
60.

Thermal energy exchange between objects of different temperatures is called ...

a)

conduction

b)

radiation

c)

heat transfer

d)

convection

e)

temperature

61.

Thermal energy that is transferred through empty space is ...

a)

conduction

b)

radiation

c)

heat transfer

d)

convection

e)

temperature

62.

Thermal energy that is transferred when two objects of different temperatures touch is ...

a)

conduction

b)

radiation

c)

heat transfer

d)

convection

e)

temperature

63.

Thermal energy transfer by the movement of currents of liquid or gas is ...

a)

conduction

b)

radiation

c)

heat transfer

d)

convection

e)

temperature

64.

5. The average kinetic energy of all the particles in a material is ...

a)

conduction

b)

radiation

c)

heat transfer

d)

convection

e)

temperature

65.

When ice cubes melt in a glass of soda, a current forms where heat energy moves from particles with a higher temperature to particles with a __________ temperature.

a)

even higher

b)

lower

c)

minimize

d)

equal

e)

less

66.

Materials such as metal and wire are good __________ because heat can easily transfer through them.

a)

insulators

b)

maximize

c)

conductors

d)

temperature

e)

thermal

67.

__________ energy always moves from objects with higher temperatures to objects with lower temperatures.

a)

temperature

b)

lower

c)

conductor

d)

minimize

e)

thermal

68.

Insulators __________ thermal energy transfer.

a)

insulator

b)

minimize

c)

maximize

d)

conductor

e)

less

69.

The relationship between the temperature of a system and the total energy of the system depends on what factors?

a)

Whether or not all the parts of the system are connected

b)

The ability of scientists to accurately measure the thermal energy of the system

c)

Whether or not the system is in motion at the time

d)

The type, states, and amount of matter in the system

70.

Four metal cubes, each with a different starting temperature, are placed together touching. Which of the following describes way the thermal energy will most likely flow? (There may be other ways that it can flow, but only one of the answers below is true)

a)

Cube #4 to Cube #2

b)

Cube #1 to Cube #2

c)

Cube #3 to Cube #4

d)

Cube #1 to Cube #3

71.

Different materials are tested to see which one transfers the most heat energy. Identical containers of different materials, were filled with hot water, and the temperature of the water was measured and recorded over time. Based on the graph of the time and temperature , which material was most effective at transferring thermal energy?

a)

Material 1

b)

Material 2

c)

Material 3

d)

Material 4

72.

If we wanted to investigation which material can maximize heat energy transfer, which of the following might we do? (remember our criteria and constraints)

a)

Hot water placed in containers made of different substances.

b)

Ice cubes sealed in containers of various sizes

c)

Metal objects heated to a variety of temperatures

d)

Air temperature recorded at different times of day

73.

The relationship between the temperature and the total energy of a system depends on all of the following EXCEPT ...

a)

the type of matter present

b)

the state of matter present

c)

the color of the matter present

d)

the amount of matter present

74.

Which of the following are true in this situation. What happens to solid ice when the thermal energy increases?

a)

the heat moves into the ice causing it to melt

b)

the kinetic energy decreases so the particles move slower

c)

the kinetic energy increases so the particles move faster

d)

the thermal energy causes the ice to freeze

e)

the cold moves out of the ice causing it to melt

75.

Heat transfer always occurs

a)

from cold to hot.

b)

from hot to cold.

c)

in any direction.

76.

Which of the following is NOT a type of heat transfer?

a)

Conduction

b)

Convection

c)

Radiation

d)

Transformation

77.

Conduction is heat transfer by

a)

touch.

b)

currents.

c)

waves.

78.

Convection is heat transfer by-

a)

touch.

b)

currents.

c)

waves.

79.

Radiation is heat transfer by

a)

touch.

b)

current.

c)

waves.

80.

The sun's rays are an example of

a)

conduction.

b)

convection.

c)

radiation.

81.

Water molecules in boiling water is an example of

a)

conduction.

b)

convection.

c)

radiation.

82.

Burning your hand on a hot pan is an example of

a)

conduction.

b)

convection.

c)

radiation.

83.

Heat transfer from a fire is an example of

a)

conduction.

b)

convection.

c)

radiation.

84.

Ironing a shirt is an example of

a)

conduction.

b)

convection.

c)

radiation.

85.

The transfer of heat energy through direct contact is

a)

conduction.

b)

convection.

c)

radiation.

86.

The transfer of heat energy by the rising of warmer molecules and falling of cooler molecules is

a)

conduction.

b)

convection.

c)

radiation.

87.

What type of heat transfer is in the form of wave particles?

a)

Conduction

b)

Convection

c)

Radiation

88.

What type of heat transfer occurs from the sun to the Earth?

a)

Conduction

b)

Convection

c)

Radiation

89.

What type of heat transfer occurs when warm air rises and cool air falls back down to Earth?

a)

Conduction

b)

Convection

c)

Radiation

90.

What heat transfers by direct contact?

a)

Conduction

b)

Convection

c)

Radiation

91.

What heat transfers by the rising of warm molecules and falling of cool molecules?

a)

Conduction

b)

Convection

c)

Radiation

92.

What heat transfers in the form of waves?

a)

Convection

b)

Conduction

c)

Radiation

93.

Hot air balloons work using what type of heat transfer?

a)

Convection

b)

Conduction

c)

Radiation

94.

An attic feeling warmer than the basement is an example of what type of heat transfer?

a)

Convection

b)

Conduction

c)

Radiation

95.

Lighting a candle with a match is an example of what type of heat transfer?

a)

Convection

b)

Conduction

c)

Radiation

96.

When a pendulum swings, where is potential energy the greatest?

a)

1 and 5

b)

2 and 4

c)

3

d)

apple sauce

97.
At which point is kinetic energy greatest? 
a)
W
b)
X
c)
Y
d)
Z
98.

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

a)

1

b)

2

c)

3

d)

when watching TV

99.

The amount of kinetic energy an object has depends on its:

a)

Mass and volume

b)

Volume and friction

c)

Mass and speed

d)

Speed and density

100.

Which point has the most potential energy?

a)

G

b)

F

c)

B

d)

A

101.

Which cart has a little less kinetic energy than cart C?

a)

A

b)

B

c)

C

d)

D

102.

Which point has the least kinetic energy

a)

A

b)

B

c)

C

d)

D

103.

Choose the answer that has the most ELASTIC POTENTIAL energy.

a)

a rubber band pulled back all the way

b)

a rubber band pulled back part of the way

c)

a rubber band laying on a table

104.

Choose the answer that has the most GRAVITATIONAL POTENTIAL energy.

a)

a 500 kg boulder on a 5 meter hill

b)

a 500 kg boulder on a 10 meter hill

c)

a 500 kg boulder on a 20 meter hill

105.

How do you increase kinetic energy?

a)

move slower

b)

decrease mass

c)

move faster

d)

move higher

106.

How do you increase potential energy?

a)

move faster

b)

move slower

c)

move higher

d)

decrease mass

107.
As a boulder rolls from the top of a hill to the bottom, how does its potential and kinetic energy change?
a)
Potential and Kinetic energy both increase
b)
Potential increases and Kinetic decreases
c)
Potential decreases and Kinetic increases
d)
Potential and Kinetic energy both decrease
108.
The illustration shows a rollercoaster and indicates four different positions the car might be at as it moves along the track. At which point in the rollercoaster’s journey is its kinetic energy the greatest?
a)
W
b)
X
c)
Y
d)
Z
109.

Compressed springs and stretched rubber bands are examples.

a)

Potential Energy

b)

Mechanical Energy

c)

Radiant Energy

d)

Kinetic Energy

110.

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

a)
b)
c)
111.

Which of the following has the most kinetic energy?

a)

A car traveling at 80 kph.

b)

A semi-truck traveling at 80 kph.

c)

A cheetah running at 80 kph.

d)

A motorcycle traveling at 80 kph.

112.

What type of energy is greatest when the cannonball is at point C?

a)

kinetic energy

b)

potential energy

c)

elastic energy

d)

compressed energy

113.

What type of energy is greatest when the cannonball is at point A?

a)

kinetic energy

b)

potential energy

c)

elastic energy

d)

compressed energy

114.
Which type of energy increases when you compress a spring?
a)
elastic potential energy
b)
kinetic energy
c)
radiant energy
d)
sound energy
115.

Elastic potential energy is energy stored in an object, such as a spring, due to the object being stretched or compressed. In which position is it most likely that the spring has lost its elastic potential energy?

a)

W

b)

Y

c)

X

d)

Z

116.

Which picture is NOT an example of Chemical PE?

a)
b)
c)
d)
117.
One spring is compressed. Another is stretched. What happened to the elastic potential energy?
a)
Only the compressed one increased.
b)
Only the stretched increased.
c)
They both increased.
d)
They both decreased.
118.
When an object is not moving and is storing energy, it has __________ energy.
a)
kinetic
b)
mechanical
c)
potential
d)
still
119.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
120.
When you stretch a rubber band, you are storing __________ energy. 
a)
kinetic 
b)
potential
c)
none of the above
d)
all of the above 
121.
Which 2 letters have the most kinetic energy
a)
W & Y
b)
X & Z
122.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
123.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
124.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
125.
What kind of energy is in flowerpot sitting on a windowsill?
a)
Potential
b)
Kinetic
126.
Click to look at the picture. 
The picture is an example of _____ .
a)
gravity
b)
potential energy
c)
kinetic energy
d)
friction
127.
a)
At the top of the slide
b)
At the bottom of the slide
128.
a)
Potential
b)
Kinetic
129.
Energy in motion is called:
a)
Potential Energy
b)
Kinetic Energy
130.
Energy that is stored is called:
a)
Kinetic Energy
b)
Potential Energy
131.
What kind of energy is in a person running?
a)
Potential
b)
Kinetic
132.

What are the three forms of potential energy discussed in the video?

a)

Chemical, elastic, and gravitational

b)

Thermal, electrical, and nuclear

c)

Kinetic, mechanical, and sound

d)

Magnetic, radiant, and solar

133.

Which type of potential energy is associated with the energy stored in food?

a)

Chemical energy

b)

Elastic energy

c)

Gravitational energy

d)

Thermal energy

134.

What happens to the potential energy of an object as it falls down due to gravity?

a)

It decreases

b)

It increases

c)

It remains the same

d)

It fluctuates

135.

What is the correct order of potential energy and kinetic energy at the top of a roller coaster?

a)

Full potential energy, zero kinetic energy

b)

Zero potential energy, full kinetic energy

c)

Half potential energy, half kinetic energy

d)

Fluctuating potential energy, fluctuating kinetic energy

136.

What happens to the potential energy of a marble as it moves down a roller coaster?

a)

It decreases

b)

It increases

c)

It remains the same

d)

It fluctuates

137.

What is the correct order of potential energy and kinetic energy at the bottom of a roller coaster?

a)

Zero potential energy, full kinetic energy

b)

Full potential energy, zero kinetic energy

c)

Half potential energy, half kinetic energy

d)

Fluctuating potential energy, fluctuating kinetic energy

138.

What is the correct order of potential energy and kinetic energy when a marble is halfway down a roller coaster?

a)

Half potential energy, half kinetic energy

b)

Full potential energy, zero kinetic energy

c)

Zero potential energy, full kinetic energy

d)

Fluctuating potential energy, fluctuating kinetic energy

139.

What happens to the potential energy of a marble when it reaches the ground?

a)

It becomes zero

b)

It becomes infinite

c)

It remains the same

d)

It fluctuates

140.

What is the correct order of potential energy and kinetic energy when a marble is dropped from the ground?

a)

Full potential energy, zero kinetic energy

b)

Zero potential energy, full kinetic energy

c)

Half potential energy, half kinetic energy

d)

Fluctuating potential energy, fluctuating kinetic energy

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