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?

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.

True or False: Lighting accounts for 18% of all electricity used in the United States.

  • Correct!

    Lighting accounts for 18% of the electricity used in the United States. A 12% decrease in overall electricity use in buildings could be realized if incandescent bulbs were replaced with CFL or LED bulbs.

  • Sorry, that’s incorrect.

    Lighting accounts for 18% of the electricity used in the United States. A 12% decrease in overall electricity use in buildings could be realized if incandescent bulbs were replaced with CFL or LED bulbs.

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.

How much of France's electricity is produced by nuclear power plants?

  • Sorry, that’s incorrect.

    Nearly 80% of France's electricity is produced by nuclear power plants.

  • Sorry, that’s incorrect.

    Nearly 80% of France's electricity is produced by nuclear power plants.

  • Correct!

    Nearly 80% of France's electricity is produced by nuclear power plants.

Which primary energy source did we depend on the most to generate electricity in the United States in 2008?

  • Sorry, that’s incorrect.

    In 2008, the United States depended most on coal to generate electricity. Coal provided approximately 49% of the electricity generated by the United States that year.

  • Sorry, that’s incorrect.

    In 2008, the United States depended most on coal to generate electricity. Coal provided approximately 49% of the electricity generated by the United States that year.

  • Correct!

    In 2008, the United States depended most on coal to generate electricity. Coal provided approximately 49% of the electricity generated by the United States that year.

  • Sorry, that’s incorrect.

    In 2008, the United States depended most on coal to generate electricity. Coal provided approximately 49% of the electricity generated by the United States that year.

Which of the following is not a primary energy source?

  • Sorry, that’s incorrect.

    Electricity is a secondary energy source because it can only be produced from the use of primary energy sources such as coal, natural gas, or nuclear reactions.

  • Sorry, that’s incorrect.

    Electricity is a secondary energy source because it can only be produced from the use of primary energy sources such as coal, natural gas, or nuclear reactions.

  • Correct!

    Electricity is a secondary energy source because it can only be produced from the use of primary energy sources such as coal, natural gas, or nuclear reactions.

  • Sorry, that’s incorrect.

    Electricity is a secondary energy source because it can only be produced from the use of primary energy sources such as coal, natural gas, or nuclear reactions.

  • Sorry, that’s incorrect.

    Electricity is a secondary energy source because it can only be produced from the use of primary energy sources such as coal, natural gas, or nuclear reactions.

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.

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.

About how much of the world's coal reserves are located in the United States?

  • Sorry, that’s incorrect.

    More than a quarter of the world's coal reserves are located in the United States.

  • Correct!

    More than a quarter of the world's coal reserves are located in the United States.

  • Sorry, that’s incorrect.

    More than a quarter of the world's coal reserves are located in the United States.

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Energy Hands-on

Energy Defined

Energy Independence and Security Act of 2007

An act of Congress regarding the energy policy of the United States that was primarily focused on automobile fuel economy, development of biofuels, and energy efficiency in public buildings and lighting.

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