The National Academies
What You Need To Know About Energy
What do you know about energy?
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.
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.
How many commercial coal-fired power plants utilize carbon capture and sequestration practices in 2009?
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Correct!
In 2009, there were no commercial coal-fired plants utilizing carbon capture and sequestration.
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Sorry, that’s incorrect.
In 2009, there were no commercial coal-fired plants utilizing carbon capture and sequestration.
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Sorry, that’s incorrect.
In 2009, there were no commercial coal-fired plants utilizing carbon capture and sequestration.
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.
America, with 5% of the planet's population, consumes how much of the world's total energy?
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Sorry, that’s incorrect.
With 5% of the planet's population, the United States uses 20% of the world's total energy.
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Sorry, that’s incorrect.
With 5% of the planet's population, the United States uses 20% of the world's total energy.
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Correct!
With 5% of the planet's population, the United States uses 20% of the world's total 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.
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%.
True or False: Burning biofuels does not release carbon dioxide.
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Sorry, that’s incorrect.
Biofuels contain carbon and although they may burn “cleaner” than oil-derived fuels, they do not avoid generating carbon dioxide emissions.
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Correct!
Biofuels contain carbon and although they may burn “cleaner” than oil-derived fuels, they do not avoid generating carbon dioxide emissions.
True or False: Increasing the energy supply is the only answer to a stable energy future.
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Sorry, that’s incorrect.
Reducing demand through the improved efficiency of devices and procedures is another way to improve our energy situation.
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Correct!
Reducing demand through the improved efficiency of devices and procedures is another way to improve our energy situation.
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