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Physics: Energy

Total questions: 165

Worksheet time: 1hrs 23mins

Name
Class
Date
1.
Energy stored in atomic bonds that form molecules
a)
Thermal Energy
b)
Chemical Energy
c)
Electrical Energy
d)
Electromagnetic Energy
2.
Energy of moving particles of atoms that make up all  matter. 
a)
Thermal Energy 
b)
Chemical Energy 
c)
Electrical Energy 
d)
Electromagnetic Energy 
3.
Energy of electric charges moving through conductors
a)
Electrical Energy
b)
Electromagnetic Energy
c)
Thermal Energy
d)
Chemical Energy
4.
Energy stored in the nucleus of an atom, released when protons or neutrons are added to or removed from the nucleus 
a)
Chemical Energy 
b)
Electrical Energy 
c)
Mechanical Energy 
d)
Nuclear Energy 
5.

Energy that is stored is called...

a)

Kinetic Energy

b)

Potential Energy

c)

Mechanical Energy

d)

Thermal Energy

6.
At what position does the pendulum have the greatest gravitational potential energy?
a)
Position D
b)
Position C
c)
Position B
7.
At what position does the pendulum have the greatest kinetic energy?
a)
Position D
b)
Position C
c)
Position B
8.

When you eat fruits and vegetables, chemical bonds are releasing stored energy, this is...

a)

a. thermal energy

b)

b. sound energy

c)

c. electrical energy

d)

d. chemical energy

9.
Which of the following is a conversion from light energy to chemical energy?
a)
a. turning on a stove to heat dinner
b)
b. turning on a lamp
c)
c. growing an apple tree
d)
d. making toast in a toaster
10.
After an energy conversion, you end up with the same total amount of energy as the original amount of potential energy. Which of the following laws explains this rule?
a)
a. law of energy changes
b)
b. law of conservation of energy
c)
c. law of power and energy
d)
d. law of potential energy
11.
Walking on the warm sand sand with your bare feet.
a)
conduction
b)
convection
c)
radiation
12.

In this experiment, the warm red dye and the cold blue dye was placed in the water at the same time. The warm red dye rose to the top while the cold blue dye sank to the bottom.What's the name of this phenomenon?

a)
conduction
b)
convection
c)
radiation
13.
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
14.
In energy transformations, "wasted energy" usually takes what form?
a)
heat
b)
chemical energy
c)
light
d)
sound waves
15.

The SI Unit for Energy is

a)

Joule

b)

Potential

c)

Calorie

d)

Kilojoule

16.

A kettle uses 100J of electrical energy to produce 7J of sound energy and 93J of thermal energy. How efficient is the kettle?

a)

100%

b)

7%

c)

93%

d)

95%

17.

A washing machine uses 250J of electrical energy to produce 125J of useful energy. How efficient is it?

a)

5%

b)

50%

c)

55%

d)

100%

18.
No machine in existence has 100% efficiency due to ____________________.
a)
magic
b)
friction
c)
smoke
d)
input
19.
What energy transformation occurs from a light bulb? 
a)
Electrical energy = kinetic energy + potential energy 
b)
Electrical energy = electrical energy 
c)
Electrical energy = chemical energy 
d)
Electrical energy = light energy + thermal energy 
20.
a)

A

b)

B

c)

C

d)

D

21.

In a filament bulb the electical power input is 40W andthe light (Useful) energy output is 4W. What is the % efficiency?

a)

1%

b)

10%

c)

0.1%

d)

4%

22.

Which of these is not a way to transfer energy from place to place?

a)

sound

b)

heat

c)

vision

d)

light

23.

Where does the enerrgy to power the circuit boards come from?

a)

an oven

b)

the sun

c)

batteries

d)

electricity

24.

What is the ability to work called?

a)

electricity

b)

transfer

c)

generator

d)

energy

25.

What is providing energy to the string lights above the smartboard?

a)

an outlet

b)

batteries

c)

generator

d)

heat

26.

Batteries store energy as ____________ energy.

a)

motion

b)

solar

c)

chemical

d)

electrical

27.

What form of energy does the singing fish from the video use?

a)

sound

b)

motion

c)

electrical

d)

chemical

28.

Which of these might spin a generator at a power plant to produce electricity?

a)

wind

b)

water

c)

steam from burning coal

d)

all of these

29.

Electricity transfers ____________ from place to place.

a)

energy

b)

matter

c)

both of these

d)

none of these

30.

The electrical outlet in your home is connected to which of these?

a)

a gas station

b)

the sun

c)

a dam

d)

a power plant

31.

What form of energy is being converted to electrical energy with the bike from the video?

a)

light

b)

motion

c)

sound

d)

heat

32.

When ice cubes melt in a glass of water, a current forms in which heat energy moves from particles ....

a)

with a lower temperature to particles with a higher temperatures

b)

with a higher temperature to particles with a lower temperatures

c)

that are cold to particles that are warm

d)

that are a solid to particles that are a liquid

33.

Thermal energy always moves from object with ...

a)

no heat to objects with heat

b)

more kinetic energy to objects with less kinetic energy

c)

direct contact between them

d)

higher temperatures to objects with lower temperatures

34.

Insulators _______ thermal energy transfer.

a)

promote

b)

minimize

c)

maximize

d)

conduct

35.

All materials will transfer thermal energy at the same rate

a)

true

b)

false

36.

Thermal energy transfer will stop when ....

a)

the solid turns into a liquid

b)

both objects are the same temperature

c)

a liquid turns into a solid

d)

when the temperatures change places

37.
Batteries store energy as _________ energy.
a)
motion
b)
solar
c)
chemical
d)
electrical
38.

A player catches a moving ball. What happens to some of the ball's energy when it hits the player's mitt?

a)

It changes to light.

b)

It changes to electricity.

c)

It changes to sound.

d)

It is destroyed.

39.

True or False: A baseball slamming into the catcher's mitt is evidence of energy causing change.

a)

True

b)

False

40.

Hitting a ball with a baseball bat is an example of _______ energy.

a)

electrical

b)

light

c)

heat

d)

motion

41.

Stomping your feet is an example of _________ energy. (Choose the best answer)

a)

light

b)

sound

c)

electrical

d)

heat

42.

What types of energy are involved in this change?

a)

heat

b)

light

c)

sound

d)

motion

e)

electrical

43.

Identify the energy transfer

a)

mechanical to sound

b)

chemical to electrical

c)

sound to mechanical

d)

thermal to sound

44.

Identify the energy transfer

a)

chemical to kinetic

b)

solar to electrical

c)

thermal to light

d)

electrical to light

45.

Identify the energy transfer

a)

kinetic to mechamical

b)

light to thermal

c)

potential to kinetic

d)

electrical to magnetism

46.

What happens when a frog eats a fly?

a)

Some energy moves from the predator to the prey.

b)

Some energy moves from the prey to the predator.

c)

Some energy moves from the producer to the consumer.

d)

Some energy moves from the consumer to the producer.

47.

Which living thing is a producer?

a)
b)
c)
d)
48.
Where do all life forms get their energy?
a)
Earth's Core
b)
Water
c)
Plants
d)
The Sun
49.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
50.
Animals that are being hunted and eaten by predators.
a)
prey
b)
extinct
51.
An animal that eats only plants is an...
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
52.

All food chains begin with a...

a)

grass

b)

producer

c)

consumer

d)

decomposer

53.
Heat is the movement of ______.
a)
radiation
b)
thermal energy
c)
cold
d)
fire
54.
On a hot summer day, which shirt would you put on to make sure you stay cool while you are outside playing?
a)
A black shirt because it reflects the sun's energy.
b)
A white shirt because it reflects the sun's energy.
c)
A black shirt because it absorbs the sun's energy.
d)
A white shirt because it absorbs the sun's energy.
55.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
56.

Anything that has mass and takes up space

a)

Growth

b)

Matter

c)

Material

d)

Plant

57.

Choose the words that fits in the blank.

Plants use ________ the from sunlight, along with carbon dioxide and water, to create food.

a)

Water

b)

Soil

c)

Energy

d)

Air

58.

Choose the word that fits in the blank.

Plants have several __________ that are different from animals, and they play an important role in their survival.

a)

Structures

b)

Energy

c)

Water

d)

Grow

59.

The _______ used by plants and animals was originally from the Sun.

a)

Water

b)

Air

c)

Energy

d)

Growth

60.
LT3: If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________
a)
one reaches a temperature of zero
b)
they both have an equal temperature
c)
one runs out of energy
61.

What is the law that states "energy can neither be created nor destroyed; rather, it can only be transformed or transferred from one form to another"?

a)

Consumption of energy

b)

Conservation of energy

c)

Conversion of energy

d)

Conversation of energy

62.

A material that does not conduct heat or electric current

a)

insulator

b)

conductor

c)

matter

d)

system

63.

As ice cream melts, its particles

a)

Gain energy, move faster and farther apart

b)

Gain energy, move slowly and get closer together

c)

Lose energy, move faster and farther apart

d)

Lose energy, move slowly and get closer together

64.

In which state does water have the highest kinetic energy?

a)

Gas

b)

Solid

c)

Liquid

d)

Each state has the same kinetic energy

65.

What type of heat transfer is the following?

The outside of a bowl of soup gets hot.

a)

Convection

b)

Conduction

c)

Radiation

d)

None of the above

66.

What type of heat transfer is the following?

Solar panels are used to collect sunlight for energy.

a)

Convection

b)

Conduction

c)

Radiation

d)

None of the above

67.

What term describes the transfer of thermal energy between substances of different temperatures?

a)

Temperature

b)

Conduction

c)

Heat

d)

Thermal Equilibrium

68.

What is an example of an insulator?

a)

Styrofoam

b)

Metal

c)

Aluminum

d)

Saltwater

69.

Method of heat transfer through direct contact is...

a)

Convection

b)

Conduction

c)

Radiation

d)

None of the above

70.

A substance has a freezing point of 0 degrees and a boiling point of 100 degrees. At what temperature below, would the substance be in its liquid form?

a)

142 degrees

b)

275 degrees

c)

-10 degrees

d)

21 degrees

71.

What type of heat transfer is the following?

The roof of your car gets hot in the sun?

a)

Convection

b)

Conduction

c)

Radiation

d)

None of the above

72.

What type of heat transfer is the following?

Smoke and hot air go up the chimney.

a)

Convection

b)

Conduction

c)

Radiation

d)

None of the above

73.

Heat and temperature are the same thing, defined as the transfer of thermal energy from substances of different temperatures.

a)

True

b)

False

74.

Temperature is a measure of the ______ of the molecules in a substance. Increased temperature means a greater _____ of the molecules in a substance.

*Same answer for both*

a)

Average kinetic energy

b)

Average molecular number

c)

Total kinetic energy

d)

None of the above

75.

Atoms and molecules are perpetually in motion. In solids, they vibrate close together and in liquids/gases, they vibrate more freely.

a)

True

b)

False

76.

Heat always transfers from the "hotter" object to the "cooler" object in a system.

a)

True

b)

False

77.

In the following example, identify where the heat is coming from AND the type of heat transfer.

You hold an ice cube in your hand and it begins to melt.

a)

Ice cube, Radiation

b)

Ice Cube, Conduction

c)

Hand, Conduction

d)

Hand, Radiation

78.

In the following example, identify where the heat is coming from AND the type of heat transfer.

You are roasting a marshmallow over a fire.

a)

Fire, Conduction

b)

Fire, Convection

c)

Metal poker, Conduction

d)

Metal poker, Convection

79.

In the following example, identify where the heat is coming from AND the type of heat transfer.

The handle of a pot is hot and burns your hand.

a)

Hand, Convection

b)

Hand, Conduction

c)

Pot handle, convection

d)

Pot handle, conduction

80.

What is the unit for heat?

a)

Celsius

b)

Kelvin

c)

Joule

d)

Fahrenheit

81.

Which of the following is NOT a way that thermal energy is transferred? 

a)

conduction

b)

condensation

c)

radiation

d)

convection

82.

Which of the following scenarios represents thermal energy transfer through radiation?

a)

 A thermometer sitting on top of a heat lamp. 

b)

A person trying to unscrew a hot light bulb. 

c)

A child sitting in front of a space heater. 

d)

Swimming in the pool & noticing that the deep end of the pool is colder than the shallow end.

83.

 The following picture represents which way that 

thermal energy can be transferred to the spoon?

a)

conduction

b)

convection

c)

radiation

d)

cremation

84.

 A hot potato is sitting out on the counter. After 3 hours, you pick up the potato and notice that it is no longer hot. Why is the potato not hot anymore? 

a)

the cold room made the potato cold 

b)

 the potato is molded, and mold makes food cold

c)

the heat from the potato went to the air 

d)

the potato is still hot

85.

Why is it dangerous to swim in ice cold water?

a)

 the heat leaves your body

b)

the cold water makes your blood freeze

c)

the cold water causes your muscles to stop working

d)

the heat from the water goes into your body

86.

Standing in front of a campfire to keep warm is an example of what?

a)

conduction

b)

condensation

c)

convection

d)

radiation

87.

The hot and cold currents in the Pacific Ocean are examples of…

a)

conduction

b)

condensation

c)

convection

d)

radiation

88.

 The following picture is demonstrating 

which form of energy?

a)

chemical

b)

thermal

c)

sound

d)

electrical

89.

Form of Energy:  a runner running

a)

nuclear energy

b)

chemical energy

c)

mechanical energy

d)

electrical energy

90.

Form of Energy:  cymbals crashing

a)

nuclear energy

b)

chemical energy

c)

sound energy

d)

electrical energy

91.

Form of Energy:  an apple

a)

nuclear energy

b)

chemical energy

c)

sound energy

d)

electrical energy

92.

Form of Energy:  heat lamp warming a lizard

a)

thermal energy

b)

chemical energy

c)

sound energy

d)

electrical energy

93.

Form of Energy:  TV signals

a)

thermal energy

b)

chemical energy

c)

sound energy

d)

electromagnetic energy

94.

Form of Energy:  lightning

a)

thermal energy

b)

chemical energy

c)

sound energy

d)

electrical energy

95.

Form of Energy:  uranium atom’s nucleus

a)

nuclear energy

b)

chemical energy

c)

sound energy

d)

electrical energy

96.

Which most often occurs when a pot of water boils?

a)

Condensation

b)

freezing

c)

melting

d)

evaporation

97.

How is heat transferred in radiation?

a)

through solids

b)

through liquids

c)

through time

d)

through air

98.

Which shows an example of convection?

a)

Jose cooks an egg in a pot of boiling water.

b)

Clara burns her hand by touching a light bulb.

c)

Lucy wraps herself in an electric blanket to keep warm.

d)

Ben holds the end of a metal rod in a fire to cook hot dogs.

99.

Which is an example of radiated heat for cooking?

a)

cooking a pot of soup

b)

scrambling eggs on the stove

c)

grilling hot dogs over a campfire

d)

frying hamburgers in a frying pan

100.

Which is an example of radiation?

a)

boiling a pot of noodles for dinner

b)

getting hot from lying in the sun

c)

feeling warm while taking a shower

d)

burning yourself after touching a hot plate

101.

Which is the best example of conduction?

a)

boiling a pot of water

b)

feeling heat from a fireplace

c)

a hot air balloon rising and falling

d)

touching a hot handle and getting burned

102.

Which best describes the transfer of heat due to the movement of gases and liquids?

a)

radiation

b)

convection

c)

evaporation

d)

condensation

103.

Which is an example of heat being transferred by conduction?

a)

a furnace heating the air in a school

b)

an ice cube melting in a person's hand

c)

a pot of water on a stove boiling

d)

the sun heating water in a swimming pool

104.

Sarah is stirring her hot chocolate with a metal spoon, and she notices that the spoon is getting hot. This is most likely caused by which type of heat?

a)

conduction

b)

convection

c)

radiation

d)

insulation

105.

How does heat energy from the Sun reach Earth?

a)

radiation

b)

solar wind

c)

conduction

d)

convection

106.

According to the Law of Conservation of Energy, energy cannot be_or_. 

a)

Lost, found

b)

Destroyed, conserved

c)

Created, conserved

d)

Saved, conserved

e)

Created, destroyed

107.

Can energy be created or destroyed?

a)

Non of them.

b)

Energy is conserved. It is not created or destroyed.

c)

Can be created.

d)

Can be destroyed.

108.
Which best describes the process of convection?
a)
Convection is the primary way  heat travels  through rays.
b)
Convection is the primary way heat travels  through metals.
c)
Convection is the primary way heat travels  through appliances.
d)
Convection is the primary way heat travels  through liquids and gasses.
109.
What is the definition of CONVECTION
a)
When heat transfers through waves.
b)
When heat transfers from objects that are touching.
c)

a  hot fluid expands, becomes less dense, and rises

d)
Heat traveling from the sun
110.

Metals are particularly good conductors because they have...

a)

large spaces between the particles

b)

particles that move over oneanother

c)

particles which don't move

d)

free electrons

111.

A poor conductor is also called...

a)

a radiator

b)

a convector

c)

an insulator

d)

a reflector

112.

Bubble wrap is a good insulator because...

a)

air is a good conductor

b)

air is a poor conductor

c)

air is a good radiator

d)

air is good at absorbing IR

113.

Which does not require constant heating?

a)

Boiling

b)

Evaporation

c)

Both

114.

Which can occur at any temperature?

a)

Boiling

b)

Evaporation

c)

Both

115.

Which process is faster?

a)

Boiling

b)

Evaporation

c)

Both

116.

Which process is the change of state from liquid to gaseous?

a)

Boiling

b)

Evaporation

c)

Both

117.

While water is boiling, the temperature stays at 100 C, no matter how much it is heating. Where is the heat going?

a)

Directly into the surroundings

b)

Back into the heat source

c)

Used to change the liquid to gas

d)

Used to change the solid to liquid

118.

Why does evaporation have a cooling effect?

a)

The process sucks heat from the surroundings

b)

The liquid insulates the material

c)

The liquid is a good heat conductor

119.

When does sweat help to cool you down?

a)

When it is coming out your pores

b)

When it is covering your skin

c)

When it is evaporating from your skin

120.

All the substances, whether solid, liquid or gas expand on ________ and contract on _______.

a)

Heating and cooling

b)

Chemical and physical

c)

Evaporation and condensation

d)

Distillation and dimension

121.

The transfer of energy by waves or particles is called

a)

conduction

b)

convection

c)

radiation

d)

insulation

122.

Which is the best surface for reflecting heat radiation?

a)

Shiny white

b)

Dull white

c)

Shiny black

d)

Dull black

123.

Which is the best surface for absorbing heat radiation?

a)

Shiny white

b)

Dull white

c)

Shiny black

d)

Dull black

124.

What is the definition of CONVECTION

a)

When heat transfers through waves.

b)

When heat transfers from objects that are touching.

c)

The transfer of thermal energy in a fluid (liquid/gas) by movement of warm / cool fluids.

d)

Heat traveling from the sun

125.
a)

Conduction

b)

Convection

c)

Radiation

126.

All of the following are good conductors of heat EXCEPT

a)

Copper

b)

Iron

c)

Plastic

d)

Aluminum

127.

What type of thermal energy transfer is number 2 pointing to?

a)

Convection

b)

Conduction

c)

Radiation

d)

Insulation

128.

What type of thermal energy transfer is number 3 pointing to?

a)

Convection

b)

Conduction

c)

Radiation

d)

Insulation

129.

What type of thermal energy transfer is number 1 pointing to?

a)

Convection

b)

Conduction

c)

Radiation

d)

Insulation

130.

Do renewable energy sources run out?

a)

Yes

b)

No

131.

Natural Gas is a __________ energy resource.

a)

Renewable

b)

Non Renewable

132.

Solar Power is a __________ energy resource.

a)

Renewable

b)

Non Renewable

133.

 __________ is an energy resource that will run out in the next several hundred years.

a)

Renewable Energy Resource

b)

Fossil Fuels

c)

Non Renewable Energy Resource

d)

Forever Fuels

134.

__________ is an energy resource that WILL NOT run out in the next several hundred years.

a)

Renewable Energy Resource

b)

Fossil Fuel

c)

Nonrenewable Energy Resource

d)

Forever Fuel

135.

Why are fossil fuels considered nonrenewable resources if they are still forming beneath the surface today?

a)

They are being formed as a type of methane which we cannot use.

b)

The fossil fuels are being broken down by a natural process.

c)

They are being formed too far beneath the surface.

d)

We are depleting the fossil fuels much faster than they can form.

136.

Type of energy that comes from the movement of the air.

a)

Solar Energy

b)

Geothermal Energy

c)

Hydroelectric Energy

d)

Wind Energy

137.

Type of energy that is generated from the heat stored in the Earth.

a)

Tidal Wave Energy

b)

Geothermal Energy

c)

Hydraulic Energy

d)

Solar Energy

138.

Why are fossil fuels like coal, oil, and natural gas called nonrenewable resources?

a)

They can never be replaced.

b)

They can be recycled.

c)

They cannot be easily replaced.

d)

They can be made in factories.

139.

 

Which example describes the use of a nonrenewable energy resource?

a)

Gasoline is used to fuel a car.

b)

Water is released through a dam.

c)

Sunlight is used to heat a home.

d)

Wind turbines spin to generate electricity.

140.
Why is solar energy considered renewable energy?
a)
It's cheaper than fossil fuels
b)
The sun's energy would not run out for billions of years
c)
Solar energy recharges batteries
d)
All of them
141.

Renewable energy resources produce less_____________ than fossil fuels.

a)

pollution

b)

energy

c)

wind

d)

light

142.
_____________ power is electricity produced by flowing water.
a)
Solar 
b)
Wind 
c)
Hydroelectric 
d)
water
143.
Wind Energy is...
a)
 Energy that comes from harnessing the movement of the air
b)
Energy that comes from the Sun
c)
A source of renewable energy, such as solar, wind, or geothermal energy
d)
Fuel from plant material
144.
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
145.
Heat transferred from beneath the surface of Earth and used to produce energy for human use is...
a)
Hydropower
b)
Wind Energy
c)
Geothermal Energy
d)
Solar Energy
146.

All of the following are considered renewable energy sources EXCEPT –

a)

Wind

b)

Coal

c)

Biomass

d)

Solar

147.

Which one of these is NOT a type of renewable energy?

a)

solar

b)

wind

c)

biomass

d)

nuclear

148.
What are two advantages of geothermal energy?
a)
cheap and a lot pollution
b)
expensive and a lot of pollution
c)
cheap and little pollution
d)
expensive and little pollution
149.

One benefit of geothermal energy is that ________________________________.

a)

a plant can be built ANYWHERE

b)

it doesn't cost a lot of money to build

c)

it can provide power 24 hours a day

d)

it harms ecosystems where it's built

150.
How does biomass reduce our carbon footprint by producing less CO2 than fossil fuels?
a)
Plants absorb the same amount of CO2 that is released when it is burned.
b)
Plants remove CO2 from the atmosphere and put it permanently into the ground.
c)
Biomass filters CO2 to make it more environmentally stable.
d)
Biomass doesn't release any CO2 when burned.
151.

Which renewable energy does not require spinning a turbine?

a)

hydroelectric

b)

wind

c)

tidal

d)

photovoltaic cells

152.

Energy created from wood, peat moss, and manure is called __________________ energy.

a)

biomass

b)

geothermal

c)

natural

d)

solar

153.

_____________________ energy comes from underground pockets of hot water.

a)

hydroelectric

b)

nuclear

c)

solar

d)

geothermal

154.

Solar, wind, and hydroelectric power all share this same benefit.

a)

zero carbon emissions/air pollution

b)

habitat loss

c)

cheap to use

d)

nonrenewable

155.

Which of the following is not a negative to using hydroelectric power

a)

siltation occurs behind the dam

b)

fish are not able to migrate upstream

c)

creates air pollution

d)

reservoirs impact the surrounding environment

156.

biomass is a main source of energy for heating homes and food in

a)

developed nations only

b)

developing nations mostly

c)

both developed and developing nations

d)

nowhere on earth

157.

A(n) ___________ converts motion into electrical energy.

a)

electric motor

b)

oil refinery

c)

solar panel

d)

electric generator

158.

___________ is the most abundant fossil fuel in the world.

a)

Coal

b)

Oil

c)

Natural gas

d)

Solar

159.

Coal, oil, and natural gas are classified as __________.

a)

renewable energy

b)

fossil fuels

c)

green energy

d)

obsolete

160.

A(n) __________ converts petroleum into fuels.

a)

converter

b)

generator

c)

solar panel

d)

oil refinery

161.

Oil and natural gas are formed from the ___________.

a)

migration of complex carbohydrate molecules to nonporous rock formations.

b)

decay of tiny marine organisms that accumulated on the bottom of the ocean millions of years ago.

c)

burning of high-sulfur, low-grade uranium.

d)

decay of plants that lived in swamps hundreds of thousands of years ago.

162.

Inside the combustion chamber of a coal-fired power plant

a)

steam is directed against turbine blades and causes the blades to turn.

b)

the turbine sets the generator in motion.

c)

electricity is generated.

d)

burning fossil fuels releases energy in the form of heat.

163.

Which of the following is NOT a fossil fuel?

a)

petroleum (oil)

b)

geothermal

c)

coal

d)

natural gas

164.

Coal is burned to heat water so that the _______ can turn turbines.

a)

Fire

b)

Steam

c)

Gorillas

d)

Wind

165.

Uranium atoms are split to create a tremendous amount of heat in a _____ power plant.

a)

Biomass

b)

Geothermal

c)

Nuclear

d)

Hydro-electric

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