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?

How much of the U.S. supply of natural gas is imported from outside North America?

  • Correct!

    Less than 2% of the U.S. supply of natural gas is imported from outside North America.

  • Sorry, that’s incorrect.

    Less than 2% of the U.S. supply of natural gas is imported from outside North America.

  • Sorry, that’s incorrect.

    Less than 2% of the U.S. supply of natural gas is imported from outside North America.

What percentage of U.S. electricity was generated by wind in 2008?

  • Correct!

    Almost 1% of U.S. electricity was generated by wind in 2008.

  • Sorry, that’s incorrect.

    Almost 1% of U.S. electricity was generated by wind in 2008.

  • Sorry, that’s incorrect.

    Almost 1% of U.S. electricity was generated by wind in 2008.

Which of the following is not considered to be a drawback to wind energy?

  • Sorry, that’s incorrect.

    While wind energy has many benefits, all of the above are considered drawbacks to wind energy.

  • Sorry, that’s incorrect.

    While wind energy has many benefits, all of the above are considered drawbacks to wind energy.

  • Sorry, that’s incorrect.

    While wind energy has many benefits, all of the above are considered drawbacks to wind energy.

  • Correct!

    While wind energy has many benefits, all of the above are considered drawbacks to wind energy.

Which of the following sources do experts expect will provide us with the “silver bullet” solution to our energy needs?

  • Sorry, that’s incorrect.

    There is no silver bullet. Tomorrow’s energy, like today’s, will come from a variety of sources.

  • Sorry, that’s incorrect.

    There is no silver bullet. Tomorrow’s energy, like today’s, will come from a variety of sources.

  • Sorry, that’s incorrect.

    There is no silver bullet. Tomorrow’s energy, like today’s, will come from a variety of sources.

  • Correct!

    There is no silver bullet. Tomorrow’s energy, like today’s, will come from a variety of sources.

Nuclear power provided what percentage of the total U.S. energy supply in 2008?

  • Sorry, that’s incorrect.

    Nuclear power accounted for 9% of the U.S. energy supply in 2008.

  • Correct!

    Nuclear power accounted for 9% of the U.S. energy supply in 2008.

  • Sorry, that’s incorrect.

    Nuclear power accounted for 9% of the U.S. energy supply in 2008.

Which renewable energy source contributed the most to the total energy consumed in the United States in 2008?

  • Sorry, that’s incorrect.

    Out of all the renewable energy sources, biomass contributed the most to U.S. energy consumption in 2008.

  • Sorry, that’s incorrect.

    Out of all the renewable energy sources, biomass contributed the most to U.S. energy consumption in 2008.

  • Sorry, that’s incorrect.

    Out of all the renewable energy sources, biomass contributed the most to U.S. energy consumption in 2008.

  • Correct!

    Out of all the renewable energy sources, biomass contributed the most to U.S. energy consumption in 2008.

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.

Which energy sources together account for 84% of the energy used in the United States?

  • Sorry, that’s incorrect.

    Fossil fuels (petroleum, natural gas, and coal) account for 84% of the energy used in the United States.

  • Correct!

    Fossil fuels (petroleum, natural gas, and coal) account for 84% of the energy used in the United States.

  • Sorry, that’s incorrect.

    Fossil fuels (petroleum, natural gas, and coal) account for 84% of the energy used in the United States.

By 2030, today's coal-fired power plants are projected to emit how much less CO2 than they emit now?

  • Correct!

    Coal-fired power plants are likely to emit 30% less CO2 in 2030.

  • Sorry, that’s incorrect.

    Coal-fired power plants are likely to emit 30% less CO2 in 2030.

  • Sorry, that’s incorrect.

    Coal-fired power plants are likely to emit 30% less CO2 in 2030.

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Energy Hands-on

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Fossil Fuels

Fuels formed in the Earth’s crust over millions of years from decomposed organic matter. The most widely known fossil fuels are petroleum (oil), coal, and natural gas.

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