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Energy transformations and thermal energy

Total questions: 159

Worksheet time: 2hrs 22mins

Name
Class
Date
1.

A cooking smoker, used to cook meats, works by allowing the warm air filled with smoke to rise to the meat, while the cooler air sinks closer to the fire. What type of heat transfer is responsible for smoking the meat?

a)

Electrical

b)

Radiation

c)

Convection

d)

Conduction

2.

A student was conducting an experiment in which a heater was placed on one side of a large box and a thermometer on the other side. The student removed all the air from the box, turned on the heater, and recorded the change in temperature. What was the student's model designed to show?

a)

the transfer of heat through convection

b)

the transfer of heat through electricity

c)

the transfer of heat through radiation

d)

the transfer of heat through conduction

3.

This appliance dries clothes primarily by converting —

a)

electrical energy to heat and mechanical energy

b)

mechanical energy to heat and electrical energy

c)

electrical energy to heat and light

d)

mechanical energy to heat and vaporization

4.

A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?

a)

The chemical energy stored in the match changed to thermal energy and light energy.

b)

The thermal energy stored in the match changed to light energy and chemical energy.

c)

The light energy and thermal energy stored in the match changed to mechanical energy.

d)

The light energy and thermal energy stored in the match changed to chemical energy.

5.

During a warm summer day, a car became extremely hot. When a student went to open the car door, he burned his fingers. What two forms of energy were responsible for the student burning his fingers?

a)

radiation and conduction

b)

conduction and convection

c)

radiation and electricity

d)

convection and radiation

6.

What transfer of heat is responsible for cooking the chicken?

a)

radiation

b)

convection

c)

electrical

d)

conduction

7.

Which of these actions, on their own, will cause ice to change to water? Remember, hot --- > cold

a)

removing heat from the ice

b)

adding sand to the ice

c)

crushing the ice

d)

adding heat to the ice

8.

When an egg is boiled in a pot of water on the stove, there is more than one kind of heat transfer. Heat is transferred from the stove to the pot directly since they are physically touching. Heat is also transferred from the pot to the egg, carried through the water. What two kinds of heat transfer are represented?

a)

Stove → Pot = radiation, Pot → Egg = conduction

b)

Stove → Pot = conduction, Pot → Egg = radiation

c)

Stove → Pot = convection, Pot → Egg = conduction

d)

Stove → Pot = conduction, Pot → Egg = convection

9.

Which of the following is an example of conduction?

a)

Solar energy warming a room

b)

Heat rising from the coils of a stove

c)

Hot air drying a wet towel

d)

Heat moving from a clothes iron to a shirt

10.

Four steel blocks were heated to different temperatures and stacked together as shown. In which direction will heat be transferred by conduction?

a)

From Sample 4 to Sample 1

b)

From Sample 2 to Sample 3

c)

From Sample 2 to Sample 4

d)

From Sample 3 to Sample 2

11.
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
12.
What energy transformations take place when a battery-operated radio is in use?
a)
Electrical to chemical to light
b)
Sound to chemical to mechanical
c)
Chemical to electrical to sound
d)
Light to electrical to thermal
13.
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
14.

Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?

a)

chemical to mechanical to electrical to radiant

b)

radiant to electrical to sound

c)

chemical to radiant to mechanical to electrical

d)

electric to radiant to chemical

15.
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
16.
Turning on a lamp is an example of energy transformation from electrical to 3 forms of energy. Which of these is NOT created by the lamp?
a)
radiant
b)
light
c)
heat
d)
chemical
17.
Which of the following energy transfers occurs when food is digested?
a)
chemical to mechanical
b)
radiant to nuclear
c)
mechanical to potential
d)
thermal to chemical
18.
In energy transformations, "wasted energy" usually takes what form?
a)
heat
b)
chemical energy
c)
light
d)
sound waves
19.
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
20.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
21.
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 
22.
The roller coaster cart has the most gravitational potential energy at position-
a)
W
b)
X
c)
Y
d)
Z
23.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
24.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
25.
A swing has potential energy if _____________.
a)
it is in motion
b)
it is swinging backward
c)
it is sitting still
d)
it is spinning
26.

What energy transformation occurs as howler monkeys loudly call to each other in the forest?

a)

Chemical --> Mechanical --> Sound

b)

Chemical --> Sound --> Thermal

c)

Sound --> Chemical --> Radiant

d)

Mechanical --> Chemical --> Sound

27.
What is an example of Radiant energy?
a)
Electromagnetic waves
b)
Burning Logs
c)
Vibrations
d)
Gravitational potential
28.
Kinetic energy is energy due to...
a)
interactions between objects or particles
b)
motion
c)
elasticity
d)
mass
29.
Potential energy is energy due to..
a)
mass
b)
motion
c)
interactions between objects or particles
d)
work
30.
Potential energy is energy that is...
a)
stored
b)
already used
c)
being used currently
d)
never going to be used
31.
What is energy?
a)
the ability to cause change
b)
the ability to resist change
c)
the ability to lack change
d)
the ability to 
32.
Which is an example of sound energy?
a)
light energy
b)
plucking a guitar string
c)
turning the lights on
d)
splitting nuclei
33.
What is an example of Nuclear energy?
a)
light energy
b)
splitting nuclei
c)
burning logs
d)
plucking a guitar string
34.
What is friction?
a)
a force that resists the sliding of two surfaces
b)
a force that lubricates the sliding of two surfaces
c)
a force that allows two surfaces to slide that are not touching each other
d)
a forces that transforms the sliding of two surfaces to make it easier.
35.
"Energy can be transformed from one form into another or transformed from one region or another, but energy cannot be created or destroyed."
Which law is this?
a)
Law of Conservation of Mass
b)
Newton's Second Law
c)
Law of Conservation of Energy
d)
Newton's Third Law
36.
Can energy be created or destroyed?
a)
Yes
b)
No
37.
You have just turned on a fan.
What type of energy is this?
a)
Electric
b)
Radiant
c)
Nuclear
d)
Thermal
38.
Thermal energy is...
a)
burning logs
b)
turning on a fan
c)
sun energy
d)
splitting of nuclei
39.
This makes it harder to move objects along a surface
a)
kinetic energy
b)
work
c)
friction
d)
elasticity
40.
What energy is given off when a cell phone rings?
a)
Sound Energy
b)
Gravitational Energy
c)
Thermal Energy
d)
Nuclear Energy
41.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
42.

What energy transformation occurs as bioluminescent algae glow in the ocean?

a)

Radiant --> Chemical

b)

Thermal --> Radiant

c)

Chemical --> Radiant

d)

Thermal --> Chemical

43.

What energy transformation occurs in the chameleon as it quickly launches its tongue to catch an insect?

a)

Radiant --> Chemical

b)

Thermal --> Chemical

c)

Chemical --> Mechanical

d)

Mechanical --> Chemical

44.

What energy transformation occurs as howler monkeys loudly call to each other in the forest?

a)

Chemical --> Mechanical --> Sound

b)

Chemical --> Sound --> Thermal

c)

Sound --> Chemical --> Radiant

d)

Mechanical --> Chemical --> Sound

45.

What energy transformation occurs as as an elephant walks through the savanna?

a)

Thermal --> Chemical + Mechanical

b)

Mechanical --> Chemical + Thermal

c)

Radiant --> Chemical + Mechanical

d)

Chemical --> Mechanical + Thermal

46.

What energy transformation occurs during photosynthesis?

a)

Chemical --> Radiant

b)

Thermal --> Chemical

c)

Radiant --> Chemical

d)

Mechanical --> Thermal

47.

What energy transformation occurs as a mouse produces body heat?

a)

Chemical --> Thermal

b)

Thermal --> Chemical

c)

Electrical --> Thermal

d)

Thermal --> Mechanical

48.

What energy transformation occurs as an electric eel shocks its prey?

a)

Electrical --> Mechanical

b)

Thermal --> Electrical

c)

Chemical --> Electrical

d)

Radiant --> Electrical

49.

What energy transformation occurs as bacteria and fungi decompose dead plant material?

a)

Thermal --> Chemical

b)

Chemical --> Thermal

c)

Radiant --> Thermal

d)

Radiant --> Chemical

50.

What happens to chemical energy as it is used by cells to perform various functions?

a)

It is often broken into smaller pieces

b)

It is usually converted into other types of energy

c)

It is typically released as a waste product in the form of a gas

d)

It disappears as it is crushed and destroyed

51.

What do sound energy, radiant energy, and thermal energy all have in common?

a)

They're all forms of kinetic energy

b)

They're all made of similar atoms and molecules

c)

They're all made by plants during photosynthesis

d)

All of these choices

52.
Which of the following shows an energy transformation from chemical energy to electrical to light energy?
a)
A bolt of lightning lights the night sky.
b)
A candle glows brightly in the dark.
c)
A fire in a fireplace lights up a room.
d)
A battery causes a flashlight to shine.
53.
People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?
a)
mechanical to thermal to electrical
b)
chemical to mechanical to thermal
c)
mechanical to chemical to sound
d)
chemical to sound to electrical
54.
A television works by transforming electrical energy into what other kinds of energy?
a)
Light, thermal, and sound
b)
Thermal, chemical, and solar
c)
Sound, mechanical, and electrical
d)
Light, chemical, and mechanical
55.
Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?
a)
chemical to thermal
b)
light to chemical
c)
thermal to light
d)
chemical to electrical
56.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
57.
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
58.
Can you create energy?
a)
Yes
b)
No
59.
Can you destroy energy?
a)
Yes
b)
No
60.
What is produced during ALL energy transformations?
a)
Sound Energy
b)
Mechanical Energy
c)
Thermal Energy
d)
Chemical Energy
61.

Which choice below is most like a pendulum, for demonstrating Potential and Kinetic Energy?

a)

Roller Coaster

b)

Kicking a Soccer Ball

c)

A Water Slide

d)

A Swing Set

62.
Water high in the air falls due to gravity, the moving water spins turbines, and they create/store electricity...
Pick the BEST Energy Conversion below for a Hydroelectric Dam.
a)
Mechanical to Electrical
b)
Electrical to Mechanical to Thermal
c)
Potential to Kinetic to Electrical
d)
Kinetic to Mechanical to Electrical
63.
Making a Fruit Smoothie is YUMMY!
Plug a Blender into the wall outlet, and you're ready to go. 
Which choice below BEST shows the energy transformation of making a smoothie?
a)
Electrical to Kinetic
b)
Electrical to Chemical
c)
Mechanical to Sound
d)
Kinetic to Thermal
64.
If you drop a basketball, it will bounce, and then roll, and finally stop.
Why won't a basketball bounce forever?
a)
The ball weighs too much, and that makes it stop.
b)
Gravity pulls the ball down more than the ball can bounce.
c)
It's Potential Energy gets destroyed as it bounces.
d)
It's energy is transformed into other types of energy.
65.

A Steam Locomotive uses wood or coal, to create steam from water. This steam moves pistons, and thus, the train. Choose the best energy transformation below for a steam locomotive.

a)

Thermal --> Mechanical --> Chemical (plus heat)

b)

Chemical --> Thermal --> Mechanical (plus heat)

c)

Mechanical --> Chemical --> Thermal (plus heat)

d)

Electrical -> Chemical --> Thermal (plus heat)

66.

Which location will a pendulum have the most kinetic energy?

a)

the left side

b)

the right side

c)

The center/middle

d)

either the right or left side

67.

You have to work to keep a yo-yo going up and down, and up and down. Why does it stop?

a)

Gravity is too strong and yo-yo is too light.

b)

Yo-yo's are too heavy for the string.

c)

Sound and heat are produced, which use up energy.

d)

Friction energy cancels out the potential energy.

68.

Turning on a light is most like which energy transformation below?

a)

Chemical to Electrical to Thermal to Light

b)

Chemical to Electrical to Light (plus thermal)

c)

Mechanical to Electrical to Light (plus thermal)

d)

Electrical to Chemical to light (plus thermal)

69.

As hard as you push on a skateboard, you'll eventually come to a stop. This is because...

a)

...you're weak sauce.

b)

...you can't overcome gravity.

c)

...your push turns into kinetic energy, sound, and heat.

d)

...your kinetic energy turns into potential energy.

70.

Can you create energy?

a)

Yup, no problem.

b)

What? NO WAY, it's impossible.

c)

Well, maybe.

d)

Yes, but it's very difficult.

71.

Can this alien destroy energy with his awesome laser?

a)

Nice Alien, and yes, he can.

b)

Maybe, if his laser is awesome enough!

c)

No, it's like, impossible, and stuff.

d)

With a lot of ice, he could destroy heat.

72.

If you could keep this 4Runner from producing ANY heat, or thermal energy, it would...

a)

...not need AC, and stay cool.

b)

...get better mileage, use less fuel.

73.
Mechanical energy
a)
energy built up before being in motion
b)
energy released in a chemical reaction
c)
energy of motion
d)
sum of kinetic and potential energy
74.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
75.
What is energy changing from one form to another?
a)
energy conservation
b)
energy transformation
c)
energy creation
d)
mechanical energy
76.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
77.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
78.
When you eat pizza, Chemical Energy is transferred to _____ Energy.
a)
Solar
b)
Electrical
c)
Mechanical
d)
Chemical
79.
Solar Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
80.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
81.
Mechanical Energy is transferred to _____ Energy.
a)
Solar
b)
Mechanical
c)
Electrical
d)
Potential
82.
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
83.
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
84.
Energy you get from eating an apple
a)
nuclear energy
b)
electromagnetic energy
c)
sound energy
d)
chemical energy
85.
What energy is given off when a cell phone rings?
a)
Sound Energy
b)
Gravitational Energy
c)
Thermal Energy
d)
Nuclear Energy
86.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
87.
Can you create energy?
a)
Yes
b)
No
88.
Can you destroy energy?
a)
Yes
b)
No
89.
Making a Fruit Smoothie is YUMMY!
Plug a Blender into the wall outlet, and you're ready to go. 
Which choice below BEST shows the energy transformation of making a smoothie?
a)
Electrical to Kinetic
b)
Electrical to Chemical
c)
Mechanical to Sound
d)
Kinetic to Thermal
90.
A hot air balloon has the following energy transformations__________.
a)
Thermal-Chemical-Electrical
b)
Chemical-thermal-mechanical 
c)
Thermal-Mechanical 
d)
Thermal-Chemical
91.
Mr. Huff's students are complaining that it is hot in the classroom. He plugs in a fan and turns it on, what energy transformation now occurs?
a)
mechanical to electrical
b)
electrical to mechanical
c)
chemical to mechanical
d)
electromagnetic to mechanical
92.
In a nuclear power plant, uranium atoms are split in a process called “fission.”  This releases a tremendous amount of energy.  In order to provide this energy to factories and homes, the power plant converts the energy to –
a)
water
b)
oil
c)
natural gas
d)
electricity 
93.
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
94.
Which items would have this energy transformation: chemical energy -> mechanical energy?
a)
person running
b)
candle burning
c)
windmill turning
d)
playing a violin
95.
Which items would have this energy transformation: chemical energy -> thermal and light energy?
a)
tanning bed
b)
candle burning
c)
windmill turning
d)
solar calcultor
96.
Which items would have this energy transformation: kinetic energy -> sound energy?
a)
turning on a flashlight
b)
nuclear power plant
c)
windmill turning
d)
playing a violin
97.
Which items would have this energy transformation: chemical energy -> electrical, light and thermal energy?
a)
turning on a flashlight
b)
nuclear power plant
c)
digesting an apple
d)
tanning bed
98.
Which items would have this energy transformation: mechanical energy -> electrical energy?
a)
turning on a flashlight
b)
nuclear power plant
c)
windmill turning
d)
tanning bed
99.
Which items would have this energy transformation: electrical energy -> thermal and light energy?
a)
turning on a flashlight
b)
nuclear power plant
c)
solar calculator
d)
tanning bed
100.
Which items would have this energy transformation: nuclear energy -> electrical energy?
a)
tree growing fruit
b)
nuclear power plant
c)
solar calculator
d)
windmill turning
101.
Which items would have this energy transformation: light energy -> chemical energy?
a)
tree growing fruit
b)
person running
c)
solar calculator
d)
windmill turning
102.
Which items would have this energy transformation: electrical energy -> thermal energy?
a)
turning on a flashlight
b)
person running
c)
iron for your clothes
d)
candle burning
103.
Which items would have this energy transformation: chemical energy -> mechanical and thermal energy?
a)
digesting an apple
b)
turning on a flashlight
c)
iron for your clothes
d)
a person running
104.
Which items would have this energy transformation: light energy -> electrical energy?
a)
solar calculator
b)
turning on a flashlight
c)
candle burning
d)
a toaster
105.
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.
106.
What kind of heat transfer happens when the sun is heating your body?
a)
Conduction
b)
Radiation
c)
Convection
d)
Density
107.
What is the process by which heat transfers from one particle of matter to another when the particles collide?
a)
conduction
b)
convection
c)
expansion
d)
radiation
108.
The movement of thermal energy from a warmer object to a cooler object is called:
a)
heat
b)
temperature
c)
motion
d)
momentum
109.
The higher the average kinetic energy the __________________ 
a)
the higher the volume
b)
the higher the mass
c)
the higher the temperature
d)
the higher the density
110.
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
111.
Which energy transformation below matches?
A book falling?
a)
chemical to sound and heat
b)
kinetic to sound and heat
c)
electrical to sound and heat
112.
Which energy transformation below matches?
Water moving over a dam to move a generator?
a)
kinetic to chemical
b)
kinetic to electrical
c)
solar to electrical
113.
Which energy transformation below matches?
Green plants?
a)
chemical to mechanical
b)
chemical to heat
c)
solar to chemical
114.
Which energy transformation below matches?
Animals eating food?
a)
electrical to potential
b)
chemical to kinetic
c)
potential to chemical
115.
Potential or kinetic?
Stretched bow and arrow?
a)
kinetic
b)
potential
116.
Potential or kinetic?
Running?
a)
potential
b)
kinetic
117.
fire, friction
a)
heat
b)
light
c)
sound
d)
electrical
118.
light bulbs, Sun
a)
mechanical
b)
chemical
c)
heat
d)
light
119.
talking, radio
a)
sound
b)
light
c)
mechanical
d)
chemical
120.
batteries, food, gasoline
a)
light
b)
heat
c)
chemical
d)
mechanical
121.
windmill, water power
a)
electrical
b)
chemical
c)
mechanical
d)
sound
122.
A baseball held by a pitcher has _____________energy.
a)
Kinectic
b)
Chemical 
c)
Potential
d)
Thermal
123.
At which point is the kinetic energy energy of the ball the greatest?
a)
At the start and finish
b)
At the top
c)
At the final
d)
Never
124.
When you compress a spring, which type of energy is released?
a)
Kinetic
b)
Nuclear
c)
Potential
d)
Radiant
125.
Energy that is caused by vibrations in the air. A form of kinetic energy.
a)
Light energy
b)
Electrical energy
c)
Nuclear energy
d)
Sound energy
126.
Food is a form of this type of energy.
a)
Light energy
b)
Chemical energy
c)
Sound energy
d)
Thermal energy
127.
Objects in motion have ______ energy.
a)
Sound
b)
Thermal
c)
Mechanical
d)
Electrical
128.
What form of energy is represented by fusion on the Sun?
a)
Nuclear
b)
Electrical 
c)
Chemical 
d)
Gravitational
129.
A device that converts electrical energy to light energy.
a)
A blender
b)
A light bulb
c)
A bycycle
d)
A balloon
130.
Turning on the radio is what type of energy conversion?
a)
sound to light
b)
electrical to sound
c)
electrical to light
d)
light to electrical
131.
A tree converts _____ energy from the sun to _____ energy.
a)
Nuclear → Electrical
b)
Gravitational → Thermal
c)
Chemical → Motion
d)
Radiant → Chemical
132.
Describe the energy conversion of a clothes dryer. 
a)
Chemical→ Thermal and Radiant
b)
Electrical → Elastic, Thermal and Sound 
c)
Gravitational → Nuclear, Sound and Thermal 
d)
Electrical → Thermal, Motion and Sound 
133.
A device that converts electrical energy and into thermal energy.
a)
A Battery
b)
A Hair Dryer
c)
A Bicycle
d)
Your Stomach
134.
a)
A flashlight is on 
b)
Gasoline burns to power a car 
c)
A candle burns 
d)
Electric current runs a refrigerator 
135.
4. A group of campers create a campfire by burning several wooden logs.  Which statement best describes the energy transformations that occur when the logs burn?
a)
Chemical energy from the wood is converted into light and heat energy.
b)
Heat energy from the logs is converted into chemical and light energy.
c)
Chemical energy from the air is converted into mechanical and light energy.
d)
Heat energy from the air is converted into mechanical and light energy.  
136.
a)
chemical energy → mechanical energy → electrical energy
b)
mechanical energy → chemical energy → electrical energy
c)
electrical energy → chemical energy → mechanical energy
d)
chemical energy → electrical energy → mechanical energy
137.
The energy of motion is ____________ energy. 
a)
Potential 
b)
Positional
c)
Kinetic
d)
Velocity
138.
Potential energy is the energy an object has because of its _____. 
a)
shape
b)
condition
c)
position
d)
all of the above
139.
When a pendulum swings, at which point is potential energy at its greatest?
a)
2
b)
3
c)
4
d)
5
140.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
141.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
142.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
143.
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
144.
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
145.
The purpose of the panels is to change solar energy into ____________.
a)
light energy
b)
electrical energy
c)
chemical energy
d)
mechanical energy
146.
A hairdryer converts -- 
a)
electrical energy into chemical
b)
electrical energy into thermal
c)
chemical energy into mechanical
d)
thermal energy into mechanical
147.
A group of students are studying the movement of thermal energy. The teacher asks the students to place the palms of their hands flat on their table tops and describe what is happening. Which statement below is the best description of what is happening? 
a)
The table feels cold because it is at a lower temperature than the students' hands, and thermal energy is being pulled into the table. 
b)
The table feels cold because it is at a lower temperature than the students' hands, and thermal energy is being pulled into the students' hands. 
c)
The table feels cold because it is solid, and solids hold thermal energy better than air. 
d)
The table feels cold because it is at a lower temperature than the air in the room. 
148.
Mechanical Energy is transferred to _____ Energy.
a)
Solar
b)
Mechanical
c)
Electrical
d)
Potential
149.
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
150.
What energy is given off when a cell phone rings?
a)
Sound Energy
b)
Gravitational Energy
c)
Thermal Energy
d)
Nuclear Energy
151.
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
152.
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
153.
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.
154.
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.
155.
What is sound 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.
156.
What is thermal energy?
a)
Stored energy that is released when the nucleus of atoms are split apart or fused together.
b)
The energy due to an object's motion, position or condition. It is both kinetic and potential.
c)
The energy due to the movement of atoms or molecules that make up an object. This energy moves from warmer objects to colder objects.
d)
The energy from the sun carried by electromagnetic waves. It can move through empty space (no matter needed).
157.
What is mechanical energy?
a)
Stored energy that is released when the nucleus of atoms are split apart or fused together.
b)
The energy formed due to an object's motion, position or condition. It is both kinetic and potential.
c)
The energy due to the movement of atoms or molecules that make up an object. This energy moves from warmer objects to colder objects.
d)
The energy from the sun carried by electromagnetic waves. It can move through empty space (no matter needed).
158.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
159.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical

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