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 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.

True or false? Hydraulic fracturing and horizontal drilling have increased oil and gas production in the U.S.

  • Correct!

    Extraction of "tight" oil—light crude oil contained in geological formations of shale or sandstone—accounted for only 12% of total U.S. oil production in 2008. By 2012, it made up 35%, and is predicted to rise to 50% in the near term.

  • Sorry, that’s incorrect.

    Extraction of "tight" oil—light crude oil contained in geological formations of shale or sandstone—accounted for only 12% of total U.S. oil production in 2008. By 2012, it made up 35%, and is predicted to rise to 50% in the near term.

What technology was most responsible for increase in lighting efficiency from 45 Im/W in 2001 to 58 Im/W in 2010?

  • Sorry, that’s incorrect.

    Increasing market share of compact fluorescents was primarily responsible for the increased lighting efficiency between 2001 and 2010.

  • Sorry, that’s incorrect.

    Increasing market share of compact fluorescents was primarily responsible for the increased lighting efficiency between 2001 and 2010.

  • Correct!

    Increasing market share of compact fluorescents was primarily responsible for the increased lighting efficiency between 2001 and 2010.

  • Sorry, that’s incorrect.

    Increasing market share of compact fluorescents was primarily responsible for the increased lighting efficiency between 2001 and 2010.

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.

Which of the following is considered an obstacle to cars running on hydrogen fuel cells?

  • Sorry, that’s incorrect.

    All of the reasons mentioned are considered obstacles to producing cars that run on hydrogen fuel cells.

  • Sorry, that’s incorrect.

    All of the reasons mentioned are considered obstacles to producing cars that run on hydrogen fuel cells.

  • Sorry, that’s incorrect.

    All of the reasons mentioned are considered obstacles to producing cars that run on hydrogen fuel cells.

  • Correct!

    All of the reasons mentioned are considered obstacles to producing cars that run on hydrogen fuel cells.

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.

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.

Refrigerators became 70% more efficient between 1972 and 2001, primarily due to regulation. What is a market response to increased efficiency of refrigerators?

  • Sorry, that’s incorrect.

    Refrigerators are not likely to be used more or less hours in the day, but people are more likely to have more of them if they cost less to operate.

  • Sorry, that’s incorrect.

    Refrigerators are not likely to be used more or less hours in the day, but people are more likely to have more of them if they cost less to operate.

  • Correct!

    Refrigerators are not likely to be used more or less hours in the day, but people are more likely to have more of them if they cost less to operate.

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.

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