The National Academies
What You Need To Know About Energy
What do you know about energy?
Which residential usage consumes the largest amount of energy?
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Sorry, that’s incorrect.
Consuming the largest amount of energy, space heating accounts for 31% of all residential energy used. Space cooling accounts for an additional 12% of energy usage.
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Sorry, that’s incorrect.
Consuming the largest amount of energy, space heating accounts for 31% of all residential energy used. Space cooling accounts for an additional 12% of energy usage.
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Correct!
Consuming the largest amount of energy, space heating accounts for 31% of all residential energy used. Space cooling accounts for an additional 12% of energy usage.
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Sorry, that’s incorrect.
Consuming the largest amount of energy, space heating accounts for 31% of all residential energy used. Space cooling accounts for an additional 12% of energy usage.
What percentage of U.S. electricity was generated by wind in 2008?
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Correct!
Almost 1% of U.S. electricity was generated by wind in 2008.
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Sorry, that’s incorrect.
Almost 1% of U.S. electricity was generated by wind in 2008.
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Sorry, that’s incorrect.
Almost 1% of U.S. electricity was generated by wind in 2008.
How much electricity does an average U.S. household consume each year?
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Sorry, that’s incorrect.
The average U.S. household consumes an average of 10,000 kilowatt-hours each year.
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Sorry, that’s incorrect.
The average U.S. household consumes an average of 10,000 kilowatt-hours each year.
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Correct!
The average U.S. household consumes an average of 10,000 kilowatt-hours each year.
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.
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.
According to the Corporate Average Fuel Economy (CAFE) standards updated in December 2007, what is the average miles per gallon (mpg) required for new cars, SUVs, and light trucks (combined) by 2020?
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Sorry, that’s incorrect.
Based upon the 2007 CAFE standards, the new average mpg required by 2020 is 35 mpg.
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Correct!
Based upon the 2007 CAFE standards, the new average mpg required by 2020 is 35 mpg.
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Sorry, that’s incorrect.
Based upon the 2007 CAFE standards, the new average mpg required by 2020 is 35 mpg.
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.
The consumption of energy worldwide is projected to rise by how much between 2006 and 2030?
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Sorry, that’s incorrect.
Worldwide consumption of energy sources is projected to rise by nearly 50% between 2006 and 2030.
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Correct!
Worldwide consumption of energy sources is projected to rise by nearly 50% between 2006 and 2030.
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Sorry, that’s incorrect.
Worldwide consumption of energy sources is projected to rise by nearly 50% between 2006 and 2030.
Renewable energy (solar, wind, geothermal, hydroelectric, biofuels, waste, and wood) accounted for what percentage of the total energy supply in the United States in 2008?
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Sorry, that’s incorrect.
Renewable energy accounted for 7% of the total U.S. energy supply in 2008, less than any other type of energy source.
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Correct!
Renewable energy accounted for 7% of the total U.S. energy supply in 2008, less than any other type of energy source.
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Sorry, that’s incorrect.
Renewable energy accounted for 7% of the total U.S. energy supply in 2008, less than any other type of energy source.
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