The National Academies
What You Need To Know About Energy
What do you know about energy?
Which energy sources together account for 84% of the energy used in the United States?
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Sorry, that’s incorrect.
Fossil fuels (petroleum, natural gas, and coal) account for 84% of the energy used in the United States.
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Correct!
Fossil fuels (petroleum, natural gas, and coal) account for 84% of the energy used in the United States.
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Sorry, that’s incorrect.
Fossil fuels (petroleum, natural gas, and coal) account for 84% of the energy used in the United States.
How much of the world's CO2 is released by the United States?
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Sorry, that’s incorrect.
Almost 20% of the world's CO2 is released by the United States.
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Sorry, that’s incorrect.
Almost 20% of the world's CO2 is released by the United States.
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Correct!
Almost 20% of the world's CO2 is released by the United States.
Which source(s) of energy are not nuclear in origin?
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Sorry, that’s incorrect.
Tidal energy is gravitational in origin. Solar energy comes from nuclear reactions in the sun.
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Sorry, that’s incorrect.
Tidal energy is gravitational in origin. Geothermal energy comes from radioactive decay inside the earth.
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Correct!
Tidal energy is gravitational in origin. Solar energy comes from nuclear reactions in the sun, and geothermal energy comes from radioactive decay inside the earth.
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Sorry, that’s incorrect.
Tidal energy is gravitational in origin. Solar energy comes from nuclear reactions in the sun, and geothermal energy comes from radioactive decay inside the earth.
Which of the following energy sources releases carbon dioxide when burned?
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Sorry, that’s incorrect.
Gasoline, diesel fuel, and natural gas all release CO2 when burned.
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Sorry, that’s incorrect.
Gasoline, diesel fuel, and natural gas all release CO2 when burned.
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Sorry, that’s incorrect.
Gasoline, diesel fuel, and natural gas all release CO2 when burned.
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Correct!
Gasoline, diesel fuel, and natural gas all release CO2 when burned.
How much of France's electricity is produced by nuclear power plants?
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Sorry, that’s incorrect.
Nearly 80% of France's electricity is produced by nuclear power plants.
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Sorry, that’s incorrect.
Nearly 80% of France's electricity is produced by nuclear power plants.
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Correct!
Nearly 80% of France's electricity is produced by nuclear power plants.
Which of the following energy sources is not used to generate electricity in the United States?
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Sorry, that’s incorrect.
Oil, biofuels, natural gas, and coal are all used to generate electricity in the United States.
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Sorry, that’s incorrect.
Oil, biofuels, natural gas, and coal are all used to generate electricity in the United States.
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Sorry, that’s incorrect.
Oil, biofuels, natural gas, and coal are all used to generate electricity in the United States.
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Sorry, that’s incorrect.
Oil, biofuels, natural gas, and coal are all used to generate electricity in the United States.
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Correct!
Oil, biofuels, natural gas, and coal are all used to generate electricity in the United States.
Combustion of gasoline and diesel fuel emits which of the following?
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Sorry, that’s incorrect.
All of the above are emitted by vehicles running on gasoline and diesel fuel.
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Sorry, that’s incorrect.
All of the above are emitted by vehicles running on gasoline and diesel fuel.
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Sorry, that’s incorrect.
All of the above are emitted by vehicles running on gasoline and diesel fuel.
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Sorry, that’s incorrect.
All of the above are emitted by vehicles running on gasoline and diesel fuel.
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Correct!
All of the above are emitted by vehicles running on gasoline and diesel fuel.
True or False: Burning coal in electric power plants is a major source of CO2 and other emissions. However, its use doesn't have negative consequences beyond the emissions caused by combustion.
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Sorry, that’s incorrect.
Mining coal disturbs the land and modifies the chemistry of rainwater runoff, which in turn affects stream and river water quality.
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Correct!
Mining coal disturbs the land and modifies the chemistry of rainwater runoff, which in turn affects stream and river water quality.
By 2030, today's coal-fired power plants are projected to emit how much less CO2 than they emit now?
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Correct!
Coal-fired power plants are likely to emit 30% less CO2 in 2030.
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Sorry, that’s incorrect.
Coal-fired power plants are likely to emit 30% less CO2 in 2030.
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Sorry, that’s incorrect.
Coal-fired power plants are likely to emit 30% less CO2 in 2030.
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