The National Academies
What You Need To Know About Energy
What do you know about energy?
What percentage of the coal mined in the United States was used to generate electricity in 2006?
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Sorry, that’s incorrect.
90% of the coal mined in the United States was used to generate electricity in 2006.
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Sorry, that’s incorrect.
90% of the coal mined in the United States was used to generate electricity in 2006.
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Correct!
90% of the coal mined in the United States was used to generate electricity in 2006.
Nuclear power provided what percentage of the total U.S. energy supply in 2008?
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Sorry, that’s incorrect.
Nuclear power accounted for 9% of the U.S. energy supply in 2008.
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Correct!
Nuclear power accounted for 9% of the U.S. energy supply in 2008.
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Sorry, that’s incorrect.
Nuclear power accounted for 9% of the U.S. energy supply in 2008.
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 renewable energy source contributed the most to the total energy consumed in the United States in 2008?
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Sorry, that’s incorrect.
Out of all the renewable energy sources, biomass contributed the most to U.S. energy consumption in 2008.
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Sorry, that’s incorrect.
Out of all the renewable energy sources, biomass contributed the most to U.S. energy consumption in 2008.
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Sorry, that’s incorrect.
Out of all the renewable energy sources, biomass contributed the most to U.S. energy consumption in 2008.
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Correct!
Out of all the renewable energy sources, biomass contributed the most to U.S. energy consumption in 2008.
In the United States, which economic sector releases the most CO2?
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Sorry, that’s incorrect.
In the United States, the transportation sector releases the most CO2. In 2006, the transportation sector released nearly 2 billion metric tons of carbon dioxide, nearly all of which was from oil.
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Sorry, that’s incorrect.
In the United States, the transportation sector releases the most CO2. In 2006, the transportation sector released nearly 2 billion metric tons of carbon dioxide, nearly all of which was from oil.
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Correct!
In the United States, the transportation sector releases the most CO2. In 2006, the transportation sector released nearly 2 billion metric tons of carbon dioxide, nearly all of which was from oil.
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Sorry, that’s incorrect.
In the United States, the transportation sector releases the most CO2. In 2006, the transportation sector released nearly 2 billion metric tons of carbon dioxide, nearly all of which was from oil.
Which of the following is not considered to be a drawback to wind energy?
- Wind's intermittency
- Aesthetic impact of wind farms
- Risks to birds and bats
- All of the above are considered drawbacks
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Sorry, that’s incorrect.
While wind energy has many benefits, all of the above are considered drawbacks to wind energy.
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Sorry, that’s incorrect.
While wind energy has many benefits, all of the above are considered drawbacks to wind energy.
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Sorry, that’s incorrect.
While wind energy has many benefits, all of the above are considered drawbacks to wind energy.
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Correct!
While wind energy has many benefits, all of the above are considered drawbacks to wind energy.
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.
The consumption of energy in the United States is projected to rise by how much between now and 2030?
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Sorry, that’s incorrect.
U.S. consumption of energy sources is projected to rise by 13% between now and 2030.
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Correct!
U.S. consumption of energy sources is projected to rise by 13% between now and 2030.
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Sorry, that’s incorrect.
U.S. consumption of energy sources is projected to rise by 13% between now and 2030.
What is the commonly accepted unit of measurement for electric current—or the amount of an electric charge passing a point per unit time?
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Sorry, that’s incorrect.
The ampere, or amp, is the most commonly used measurement for electric current.
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Sorry, that’s incorrect.
The ampere, or amp, is the most commonly used measurement for electric current.
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Correct!
The ampere, or amp, is the most commonly used measurement for electric current.
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Sorry, that’s incorrect.
The ampere, or amp, is the most commonly used measurement for electric current.
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