Question 1

Methane is the chief constituent of

Accepted Answer

A)  natural gas. 
B)  gasoline. 
C)  diesel fuel. 
D)  ethanol. 
A)  natural gas. 
B)  gasoline. 
C)  diesel fuel. 
D)  ethanol.

Question 2

Fuel cells

Accepted Answer

A)  store energy. 
B)  need regular recharging with electric current. 
C)  need continuous supplies of fuel. 
D)  produce hydrogen from water. 
A)  store energy. 
B)  need regular recharging with electric current. 
C)  need continuous supplies of fuel. 
D)  produce hydrogen from water.

Question 3

An optimistic projection for 2100 suggests that 9.6 billion might then be the population of

Accepted Answer

A)  the United States. 
B)  India. 
C)  China. 
D)  the world. 
A)  the United States. 
B)  India. 
C)  China. 
D)  the world.

Question 4

Which of the following statements is not true?

Accepted Answer

A)  Coal-fired power plants in the United States produce almost half of its electricity. 
B)  Over 1000 new coal-fired power plants are newly built or under construction in the world. 
C)  The United States has less than 5 percent of the world's coal reserves. 
D)  Coal is cheaper per unit of energy released when it is burned than any other fossil fuel. 
A)  Coal-fired power plants in the United States produce almost half of its electricity. 
B)  Over 1000 new coal-fired power plants are newly built or under construction in the world. 
C)  The United States has less than 5 percent of the world's coal reserves. 
D)  Coal is cheaper per unit of energy released when it is burned than any other fossil fuel.

Question 5

The normal lifetime of a nuclear power reactor is

Accepted Answer

A)  10-20 years. 
B)  40-60 years. 
C)  50-100 years. 
D)  over 100 years. 
A)  10-20 years. 
B)  40-60 years. 
C)  50-100 years. 
D)  over 100 years.

Question 6

A promising but expensive method of preventing the escape into the atmosphere of carbon dioxide from fossil fuel power plants is to

Accepted Answer

A)  pump it into underground reservoirs. 
B)  pump it into lakes and rivers. 
C)  make syngas from it. 
D)  convert it to carbon monoxide in special furnaces. 
A)  pump it into underground reservoirs. 
B)  pump it into lakes and rivers. 
C)  make syngas from it. 
D)  convert it to carbon monoxide in special furnaces.

Question 7

An unsolved problem for nuclear energy is

Accepted Answer

A)  greenhouse gas emissions. 
B)  fuel supply. 
C)  acid rain. 
D)  permanent waste disposal. 
A)  greenhouse gas emissions. 
B)  fuel supply. 
C)  acid rain. 
D)  permanent waste disposal.

Question 8

After electricity generation and heating, the next most important contribution to greenhouse gases in the atmosphere comes fr

Accepted Answer

A)  transport. 
B)  industry. 
C)  agriculture. 
D)  deforestation. 
A)  transport. 
B)  industry. 
C)  agriculture. 
D)  deforestation.

Question 9

The world's largest producer of oil is

Accepted Answer

A)  the United States. 
B)  Saudi Arabia. 
C)  India. 
D)  Russia. 
A)  the United States. 
B)  Saudi Arabia. 
C)  India. 
D)  Russia.

Question 10

The two countries together responsible for about 40 percent of the world's carbon dioxide emissions are

Accepted Answer

A)  the United States and China. 
B)  the United States and India. 
C)  the United States and Russia. 
D)  China and Russia. 
A)  the United States and China. 
B)  the United States and India. 
C)  the United States and Russia. 
D)  China and Russia.

Question 11

The renewable energy source that requires the most area for a given power output is

Accepted Answer

A)  biofuel. 
B)  solar. 
C)  wind. 
D)  hydropower. 
A)  biofuel. 
B)  solar. 
C)  wind. 
D)  hydropower.

Question 12

In a good wind, a modern large wind turbine might have a power output of

Accepted Answer

A)  2 kW. 
B)  20 kW. 
C)  200 kW. 
D)  2000 kW. 
A)  2 kW. 
B)  20 kW. 
C)  200 kW. 
D)  2000 kW.

Question 13

In the United States, bioethanol from corn is added to gasoline for vehicle fuel because

Accepted Answer

A)  it is cheap to produce. 
B)  its production uses little energy. 
C)  its production releases little carbon dioxide to the atmosphere. 
D)  government action favors its production and use. 
A)  it is cheap to produce. 
B)  its production uses little energy. 
C)  its production releases little carbon dioxide to the atmosphere. 
D)  government action favors its production and use.

Question 14

The fossil fuel least polluting to burn is

Accepted Answer

A)  natural gas. 
B)  gasoline. 
C)  diesel fuel. 
D)  coal. 
A)  natural gas. 
B)  gasoline. 
C)  diesel fuel. 
D)  coal.

Question 15

Algae are able to make diesel fuel through photosynthesis using as a raw material

Accepted Answer

A)  hydrogen. 
B)  carbon dioxide. 
C)  gasoline. 
D)  coal. 
A)  hydrogen. 
B)  carbon dioxide. 
C)  gasoline. 
D)  coal.

Question 16

Two-thirds of the world's oil production is used for

Accepted Answer

A)  heating. 
B)  electricity generation. 
C)  transport fuel. 
D)  chemical products. 
A)  heating. 
B)  electricity generation. 
C)  transport fuel. 
D)  chemical products.

Question 17

The world's fastest-growing source of clean energy is

Accepted Answer

A)  wind. 
B)  geothermal. 
C)  hydropower. 
D)  solar. 
A)  wind. 
B)  geothermal. 
C)  hydropower. 
D)  solar.

Question 18

Arrange these sources in increasing order of the amount of energy they supply to the world today.
1) coal
2) oil
3) natural gas
4) nuclear

Accepted Answer

A)  4, 3, 1, 2 
B)  1, 3, 2, 4 
C)  2, 1, 3, 4 
D)  3, 4, 1, 2 
A)  4, 3, 1, 2 
B)  1, 3, 2, 4 
C)  2, 1, 3, 4 
D)  3, 4, 1, 2

Question 19

Arrange these fuels in increasing order of energy given off per gram when they are burned.
1) gasoline
2) hydrogen
3) coal
4) ethanol

Accepted Answer

A)  4, 3, 1, 2 
B)  2, 1, 3, 4 
C)  1, 2, 3, 4 
D)  3, 1, 2, 4 
A)  4, 3, 1, 2 
B)  2, 1, 3, 4 
C)  1, 2, 3, 4 
D)  3, 1, 2, 4

Question 20

Burning coal does not cause the release into the environment of

Accepted Answer

A)  sulfuric acid. 
B)  nitric acid. 
C)  arsenic. 
D)  less carbon dioxide per unit of energy than other fossil fuels. 
A)  sulfuric acid. 
B)  nitric acid. 
C)  arsenic. 
D)  less carbon dioxide per unit of energy than other fossil fuels.

Methane is the chief constituent of

Fuel cells

An optimistic projection for 2100 suggests that 9.6 billion might then be the population of

Which of the following statements is not true?

The normal lifetime of a nuclear power reactor is

A promising but expensive method of preventing the escape into the atmosphere of carbon dioxide from fossil fuel power plants is to

An unsolved problem for nuclear energy is

After electricity generation and heating, the next most important contribution to greenhouse gases in the atmosphere comes fr

The world's largest producer of oil is

The two countries together responsible for about 40 percent of the world's carbon dioxide emissions are

The renewable energy source that requires the most area for a given power output is

In a good wind, a modern large wind turbine might have a power output of

In the United States, bioethanol from corn is added to gasoline for vehicle fuel because

The fossil fuel least polluting to burn is

Algae are able to make diesel fuel through photosynthesis using as a raw material

Two-thirds of the world's oil production is used for

The world's fastest-growing source of clean energy is

Arrange these sources in increasing order of the amount of energy they supply to the world today. 1) coal 2) oil 3) natural gas 4) nuclear

Arrange these fuels in increasing order of energy given off per gram when they are burned. 1) gasoline 2) hydrogen 3) coal 4) ethanol

Burning coal does not cause the release into the environment of

The Scientific Method

Motion

Energy

Matter and Heat

Electricity and Magnetism

Waves

The Nucleus

The Atom

The Periodic Law

Crystals, Ions, and Solutions

Chemical Reactions

Organic Chemistry

Atmosphere and Hydrosphere

The Rock Cycle

The Evolving Earth

The Solar System

The Stars

The Universe Galaxies

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Exam 4: Energy and the Future

Methane is the chief constituent of

Fuel cells

An optimistic projection for 2100 suggests that 9.6 billion might then be the population of

Which of the following statements is not true?

The normal lifetime of a nuclear power reactor is

A promising but expensive method of preventing the escape into the atmosphere of carbon dioxide from fossil fuel power plants is to

An unsolved problem for nuclear energy is

After electricity generation and heating, the next most important contribution to greenhouse gases in the atmosphere comes fr

The world's largest producer of oil is

The two countries together responsible for about 40 percent of the world's carbon dioxide emissions are

The renewable energy source that requires the most area for a given power output is

In a good wind, a modern large wind turbine might have a power output of

In the United States, bioethanol from corn is added to gasoline for vehicle fuel because

The fossil fuel least polluting to burn is

Algae are able to make diesel fuel through photosynthesis using as a raw material

Two-thirds of the world's oil production is used for

The world's fastest-growing source of clean energy is

Arrange these sources in increasing order of the amount of energy they supply to the world today. 1) coal 2) oil 3) natural gas 4) nuclear

Arrange these fuels in increasing order of energy given off per gram when they are burned. 1) gasoline 2) hydrogen 3) coal 4) ethanol

Burning coal does not cause the release into the environment of

The Scientific Method

Motion

Energy

Matter and Heat

Electricity and Magnetism

Waves

The Nucleus

The Atom

The Periodic Law

Crystals, Ions, and Solutions

Chemical Reactions

Organic Chemistry

Atmosphere and Hydrosphere

The Rock Cycle

The Evolving Earth

The Solar System

The Stars

The Universe Galaxies

Filters