The National Academies: What You Need To Know About Energy

The National Academies

What You Need To Know About Energy

What do you know about energy?

What percentage of America's total energy came from wind in 2008?

  • Correct!

    In 2008, wind accounted for 0.5% of America's energy portfolio.

  • Sorry, that’s incorrect.

    In 2008, wind accounted for 0.5% of America's energy portfolio.

  • Sorry, that’s incorrect.

    In 2008, wind accounted for 0.5% of America's energy portfolio.

Of the following fossil fuels, which is typically the least expensive for its energy content?

  • Sorry, that’s incorrect.

    In 2005, a million Btu of energy from coal cost approximately $2, versus $5 for natural gas and $10 for oil. However, prices can fluctuate due to changes in the economy and new government policies.

  • Sorry, that’s incorrect.

    In 2005, a million Btu of energy from coal cost approximately $2, versus $5 for natural gas and $10 for oil. However, prices can fluctuate due to changes in the economy and new government policies.

  • Correct!

    In 2005, a million Btu of energy from coal cost approximately $2, versus $5 for natural gas and $10 for oil. However, prices can fluctuate due to changes in the economy and new government policies.

How many commercial coal-fired power plants utilize carbon capture and sequestration practices in 2009?

  • Correct!

    In 2009, there were no commercial coal-fired plants utilizing carbon capture and sequestration.

  • Sorry, that’s incorrect.

    In 2009, there were no commercial coal-fired plants utilizing carbon capture and sequestration.

  • Sorry, that’s incorrect.

    In 2009, there were no commercial coal-fired plants utilizing carbon capture and sequestration.

Which of the following is frequently used as a unit of measurement for the energy content of fuels?

  • Sorry, that’s incorrect.

    The British Thermal Unit, or Btu, is frequently used as a measure for energy content of fuels. One gallon of gasoline contains about 124,000 Btu.

  • Correct!

    The British Thermal Unit, or Btu, is frequently used as a measure for energy content of fuels. One gallon of gasoline contains about 124,000 Btu.

  • Sorry, that’s incorrect.

    The British Thermal Unit, or Btu, is frequently used as a measure for energy content of fuels. One gallon of gasoline contains about 124,000 Btu.

  • Sorry, that’s incorrect.

    The British Thermal Unit, or Btu, is frequently used as a measure for energy content of fuels. One gallon of gasoline contains about 124,000 Btu.

True or False: Increasing the energy supply is the only answer to a stable energy future.

  • Sorry, that’s incorrect.

    Reducing demand through the improved efficiency of devices and procedures is another way to improve our energy situation.

  • Correct!

    Reducing demand through the improved efficiency of devices and procedures is another way to improve our energy situation.

What percentage of the coal mined in the United States was used to generate electricity in 2006?

  • Sorry, that’s incorrect.

    90% of the coal mined in the United States was used to generate electricity in 2006.

  • Sorry, that’s incorrect.

    90% of the coal mined in the United States was used to generate electricity in 2006.

  • Correct!

    90% of the coal mined in the United States was used to generate electricity in 2006.

The consumption of energy in the United States is projected to rise by how much between now and 2030?

  • Sorry, that’s incorrect.

    U.S. consumption of energy sources is projected to rise by 13% between now and 2030.

  • Correct!

    U.S. consumption of energy sources is projected to rise by 13% between now and 2030.

  • Sorry, that’s incorrect.

    U.S. consumption of energy sources is projected to rise by 13% between now and 2030.

How much carbon dioxide is emitted by the average U.S. car driving one mile?

  • Sorry, that’s incorrect.

    The average U.S. car gets 21.4 mpg. About 19 pounds of carbon dioxide are emitted for every gallon burned, or 0.9 lb/mile.

  • Sorry, that’s incorrect.

    The average U.S. car gets 21.4 mpg. About 19 pounds of carbon dioxide are emitted for every gallon burned, or 0.9 lb/mile.

  • Correct!

    The average U.S. car gets 21.4 mpg. About 19 pounds of carbon dioxide are emitted for every gallon burned, or 0.9 lb/mile.

Which source(s) of energy are not nuclear in origin?

  • Sorry, that’s incorrect.

    Tidal energy is gravitational in origin. Solar energy comes from nuclear reactions in the sun.

  • Sorry, that’s incorrect.

    Tidal energy is gravitational in origin. Geothermal energy comes from radioactive decay inside the earth.

  • 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.

  • 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.

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Energy Information Administration (EIA)

An agency within the Department of Energy (DOE) that provides policy-neutral data, forecasts, and analyses to promote sound policymaking, efficient markets, and public understanding regarding energy and its interaction with the economy and the environment.

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