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: 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.

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.

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.

The United States is home to how many of the world's automobiles?

  • Sorry, that’s incorrect.

    With less than 5% of the world's population, the United States is home to one-third of the world's automobiles.

  • Correct!

    With less than 5% of the world's population, the United States is home to one-third of the world's automobiles.

  • Sorry, that’s incorrect.

    With less than 5% of the world's population, the United States is home to one-third of the world's automobiles.

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 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.

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.

Combustion of gasoline and diesel fuel emits which of the following?

  • Sorry, that’s incorrect.

    All of the above are emitted by vehicles running on gasoline and diesel fuel.

  • Sorry, that’s incorrect.

    All of the above are emitted by vehicles running on gasoline and diesel fuel.

  • Sorry, that’s incorrect.

    All of the above are emitted by vehicles running on gasoline and diesel fuel.

  • Sorry, that’s incorrect.

    All of the above are emitted by vehicles running on gasoline and diesel fuel.

  • Correct!

    All of the above are emitted by vehicles running on gasoline and diesel fuel.

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Energy Hands-on

Energy Defined

Ethanol (or Ethyl Alcohol)

Best known as the type of alcohol found in alcoholic beverages, it is produced in large quantities through the fermentation of the sugars and carbohydrates in agricultural crops and blended with gasoline as an alternative to conventional oil-based fuels for motor vehicles.

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