The National Academies

The National Academies: What You Need To Know About Energy

What You Need To Know About Energy

What do you know about energy?

Which of the following energy sources releases carbon dioxide when burned?

  • Sorry, that’s incorrect.

    Gasoline, diesel fuel, and natural gas all release CO2 when burned.

  • Sorry, that’s incorrect.

    Gasoline, diesel fuel, and natural gas all release CO2 when burned.

  • Sorry, that’s incorrect.

    Gasoline, diesel fuel, and natural gas all release CO2 when burned.

  • Correct!

    Gasoline, diesel fuel, and natural gas all release CO2 when burned.

Nuclear power provided what percentage of the total U.S. energy supply in 2013?

  • Sorry, that’s incorrect.

    19% of our electricity was generated  by nuclear fuel in 2013. 

  • Correct!

    19% of our electricity was generated  by nuclear fuel in 2013. 

  • Sorry, that’s incorrect.

    19% of our electricity was generated  by nuclear fuel in 2013. 

  • Sorry, that’s incorrect.

    19% of our electricity was generated  by nuclear fuel in 2013. 

True or False: Burning biofuels does not release carbon dioxide.

  • Sorry, that’s incorrect.

    Biofuels contain carbon and although they may burn “cleaner” than oil-derived fuels, they do not avoid generating carbon dioxide emissions.

  • Correct!

    Biofuels contain carbon and although they may burn “cleaner” than oil-derived fuels, they do not avoid generating carbon dioxide emissions.

True or false? Carbon capture and storage would reduce energy efficiency of a coal plant?

  • Correct!

    Carbon capture and storage will reduce energy efficiency of a coal plant, though it will decrease carbon emissions.

  • Sorry, that’s incorrect.

    Carbon capture and storage will reduce energy efficiency of a coal plant, though it will decrease carbon emissions.

In 2014, what percentage of the United States' total energy consumption came from oil?

  • Sorry, that’s incorrect.

    In 2014, the United States got 35% of its energy from petroleum, and experts project that demand for this fuel will rise at least through 2020. 

  • Sorry, that’s incorrect.

    In 2014, the United States got 35% of its energy from petroleum, and experts project that demand for this fuel will rise at least through 2020. 

  • Sorry, that’s incorrect.

    In 2014, the United States got 35% of its energy from petroleum, and experts project that demand for this fuel will rise at least through 2020. 

  • Correct!

    In 2014, the United States got 35% of its energy from petroleum, and experts project that demand for this fuel will rise at least through 2020. 

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.

True or false? Wind energy generation is increasing in the United States.

  • Correct!

    In the United States, the amount of electricity generated from wind doubled between 2009 and 2014, and now makes up 18% of all renewable energy consumed and almost 2% of total U.S. energy use. 

  • Sorry, that’s incorrect.

    In the United States, the amount of electricity generated from wind doubled between 2009 and 2014, and now makes up 18% of all renewable energy consumed and almost 2% of total U.S. energy use. 

What is a major reason that the U.S. is exporting more oil in 2014 than in 2005?

  • Sorry, that’s incorrect.

    New technologies for drilling have led to increases in supply of oil in the U.S. in the decade up to 2014.

  • Sorry, that’s incorrect.

    New technologies for drilling have led to increases in supply of oil in the U.S. in the decade up to 2014.

  • Sorry, that’s incorrect.

    New technologies for drilling have led to increases in supply of oil in the U.S. in the decade up to 2014.

  • Sorry, that’s incorrect.

    New technologies for drilling have led to increases in supply of oil in the U.S. in the decade up to 2014.

  • Correct!

    New technologies for drilling have led to increases in supply of oil in the U.S. in the decade up to 2014.

In 2014, approximately how much of the oil used in the U.S. was imported?

  • Sorry, that’s incorrect.

    The United States imported approximately 27% of its oil. More than one-third of that came from Canada.

  • Correct!

    The United States imported approximately 27% of its oil. More than one-third of that came from Canada.

  • Sorry, that’s incorrect.

    The United States imported approximately 27% of its oil. More than one-third of that came from Canada.

  • Sorry, that’s incorrect.

    The United States imported approximately 27% of its oil. More than one-third of that came from Canada.

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