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?

In 2008, what percentage of the United States' total energy consumption came from oil?

  • Sorry, that’s incorrect.

    In 2008, 37% of the United States' total energy consumption came from oil, more than any other energy source.

  • Sorry, that’s incorrect.

    In 2008, 37% of the United States' total energy consumption came from oil, more than any other energy source.

  • Correct!

    In 2008, 37% of the United States' total energy consumption came from oil, more than any other energy source.

Most of the world's energy originates from which two primary sources:

  • Correct!

    The energy we capture for use on Earth comes largely from the sun or from nuclear forces local to our own planet.

  • Sorry, that’s incorrect.

    The energy we capture for use on Earth comes largely from the sun or from nuclear forces local to our own planet.

  • Sorry, that’s incorrect.

    The energy we capture for use on Earth comes largely from the sun or from nuclear forces local to our own planet.

About 21% of the electricity used in residential and commercial buildings goes to what use?

  • Sorry, that’s incorrect.

    Roughly 21% of the electricity used in residential and commercial buildings goes to lighting.

  • Sorry, that’s incorrect.

    Roughly 21% of the electricity used in residential and commercial buildings goes to lighting.

  • Correct!

    Roughly 21% of the electricity used in residential and commercial buildings goes to lighting.

  • Sorry, that’s incorrect.

    Roughly 21% of the electricity used in residential and commercial buildings goes to lighting.

True or False: Burning coal in electric power plants is a major source of CO2 and other emissions. However, its use doesn't have negative consequences beyond the emissions caused by combustion.

  • Sorry, that’s incorrect.

    Mining coal disturbs the land and modifies the chemistry of rainwater runoff, which in turn affects stream and river water quality.

  • Correct!

    Mining coal disturbs the land and modifies the chemistry of rainwater runoff, which in turn affects stream and river water quality.

Which of the following is emitted by coal-fired power plants?

  • Sorry, that’s incorrect.

    All of the above are emitted from coal-fired power plants and can be harmful to our health and the environment.

  • Sorry, that’s incorrect.

    All of the above are emitted from coal-fired power plants and can be harmful to our health and the environment.

  • Sorry, that’s incorrect.

    All of the above are emitted from coal-fired power plants and can be harmful to our health and the environment.

  • Sorry, that’s incorrect.

    All of the above are emitted from coal-fired power plants and can be harmful to our health and the environment.

  • Correct!

    All of the above are emitted from coal-fired power plants and can be harmful to our health and the environment.

True or False: U.S. domestic production of crude oil has declined since around 1970.

  • Correct!

    U.S. domestic production of crude oil peaked around 1970 at about 9.5 million barrels per day (MBD) and declined to about 5.1 MBD by 2006.

  • Sorry, that’s incorrect.

    U.S. domestic production of crude oil peaked around 1970 at about 9.5 million barrels per day (MBD) and declined to about 5.1 MBD by 2006.

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.

What is the commonly accepted unit of measurement for electric current—or the amount of an electric charge passing a point per unit time?

  • Sorry, that’s incorrect.

    The ampere, or amp, is the most commonly used measurement for electric current.

  • Sorry, that’s incorrect.

    The ampere, or amp, is the most commonly used measurement for electric current.

  • Correct!

    The ampere, or amp, is the most commonly used measurement for electric current.

  • Sorry, that’s incorrect.

    The ampere, or amp, is the most commonly used measurement for electric current.

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.

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Energy Hands-on

Energy Defined

Renewable Energy Resource

An energy source that is naturally replenished. Examples include biomass, wind, geothermal, hydro, and solar energy.

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