The National Academies
What You Need To Know About Energy
What do you know about energy?
Energy intensity is a measure of:
- The amount of energy used by a nation per unit of GDP
- The amount of energy contained in a given amount of fuel
- The amount of electric current passing through a point
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Correct!
Energy intensity is a measure of a nation's energy efficiency represented through energy use per unit of GDP (Gross Domestic Product).
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Sorry, that’s incorrect.
Energy intensity is a measure of a nation's energy efficiency represented through energy use per unit of GDP (Gross Domestic Product).
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Sorry, that’s incorrect.
Energy intensity is a measure of a nation's energy efficiency represented through energy use per unit of GDP (Gross Domestic Product).
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.
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.
Which two developing countries are expected to have the greatest growth in energy consumption between 2006 and 2030?
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Sorry, that’s incorrect.
The United States and Canada are both developed countries. China and India are projected to have the greatest growth in energy consumption between 2006 and 2030.
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Sorry, that’s incorrect.
The United States and Canada are both developed countries. China and India are projected to have the greatest growth in energy consumption between 2006 and 2030.
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Correct!
The United States and Canada are both developed countries. China and India are projected to have the greatest growth in energy consumption between 2006 and 2030.
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.
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.
In 2008, of the four economic sectors, which used the most energy in the United States?
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Sorry, that’s incorrect.
In 2008, industry used 31% of the total energy used; next was transportation at 28%, then residential at 22%, and commercial at 19%.
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Sorry, that’s incorrect.
In 2008, industry used 31% of the total energy used; next was transportation at 28%, then residential at 22%, and commercial at 19%.
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Sorry, that’s incorrect.
In 2008, industry used 31% of the total energy used; next was transportation at 28%, then residential at 22%, and commercial at 19%.
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Correct!
In 2008, industry used 31% of the total energy used; next was transportation at 28%, then residential at 22%, and commercial at 19%.
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.
How much of the U.S. supply of natural gas is imported from outside North America?
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Correct!
Less than 2% of the U.S. supply of natural gas is imported from outside North America.
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Sorry, that’s incorrect.
Less than 2% of the U.S. supply of natural gas is imported from outside North America.
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Sorry, that’s incorrect.
Less than 2% of the U.S. supply of natural gas is imported from outside North America.
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