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?

What percentage of the coal mined in the United States was used to generate electricity in 2006?

  • Sorry, that’s incorrect.

    90% of the coal mined in the United States was used to generate electricity in 2006.

  • Sorry, that’s incorrect.

    90% of the coal mined in the United States was used to generate electricity in 2006.

  • Correct!

    90% of the coal mined in the United States was used to generate electricity in 2006.

Which energy sources together account for 84% of the energy used in the United States?

  • Sorry, that’s incorrect.

    Fossil fuels (petroleum, natural gas, and coal) account for 84% of the energy used in the United States.

  • Correct!

    Fossil fuels (petroleum, natural gas, and coal) account for 84% of the energy used in the United States.

  • Sorry, that’s incorrect.

    Fossil fuels (petroleum, natural gas, and coal) account for 84% of the energy used in the United States.

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 two developing countries are expected to have the greatest growth in energy consumption between 2006 and 2030?

  • Sorry, that’s incorrect.

    The United States and Canada are both developed countries. China and India are projected to have the greatest growth in energy consumption between 2006 and 2030.

  • Sorry, that’s incorrect.

    The United States and Canada are both developed countries. China and India are projected to have the greatest growth in energy consumption between 2006 and 2030.

  • Correct!

    The United States and Canada are both developed countries. China and India are projected to have the greatest growth in energy consumption between 2006 and 2030.

True or False: Increasing the energy supply is the only answer to a stable energy future.

  • Sorry, that’s incorrect.

    Reducing demand through the improved efficiency of devices and procedures is another way to improve our energy situation.

  • Correct!

    Reducing demand through the improved efficiency of devices and procedures is another way to improve our energy situation.

America, with 5% of the planet's population, consumes how much of the world's total energy?

  • Sorry, that’s incorrect.

    With 5% of the planet's population, the United States uses 20% of the world's total energy.

  • Sorry, that’s incorrect.

    With 5% of the planet's population, the United States uses 20% of the world's total energy.

  • Correct!

    With 5% of the planet's population, the United States uses 20% of the world's total 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.

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.

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.

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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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