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 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.

How much electricity does an average U.S. household consume each year?

  • Sorry, that’s incorrect.

    The average U.S. household consumes an average of 10,000 kilowatt-hours each year.

  • Sorry, that’s incorrect.

    The average U.S. household consumes an average of 10,000 kilowatt-hours each year.

  • Correct!

    The average U.S. household consumes an average of 10,000 kilowatt-hours each year.

How much of the world's CO2 is released by the United States?

  • Sorry, that’s incorrect.

    Almost 20% of the world's CO2 is released by the United States.

  • Sorry, that’s incorrect.

    Almost 20% of the world's CO2 is released by the United States.

  • Correct!

    Almost 20% of the world's CO2 is released by the United States.

How much carbon dioxide is emitted by the average U.S. car driving one mile?

  • Sorry, that’s incorrect.

    The average U.S. car gets 21.4 mpg. About 19 pounds of carbon dioxide are emitted for every gallon burned, or 0.9 lb/mile.

  • Sorry, that’s incorrect.

    The average U.S. car gets 21.4 mpg. About 19 pounds of carbon dioxide are emitted for every gallon burned, or 0.9 lb/mile.

  • Correct!

    The average U.S. car gets 21.4 mpg. About 19 pounds of carbon dioxide are emitted for every gallon burned, or 0.9 lb/mile.

Which renewable energy source contributed the most to the total energy consumed in the United States in 2008?

  • Sorry, that’s incorrect.

    Out of all the renewable energy sources, biomass contributed the most to U.S. energy consumption in 2008.

  • Sorry, that’s incorrect.

    Out of all the renewable energy sources, biomass contributed the most to U.S. energy consumption in 2008.

  • Sorry, that’s incorrect.

    Out of all the renewable energy sources, biomass contributed the most to U.S. energy consumption in 2008.

  • Correct!

    Out of all the renewable energy sources, biomass contributed the most to U.S. energy consumption in 2008.

Which of the following energy sources is not used to generate electricity in the United States?

  • Sorry, that’s incorrect.

    Oil, biofuels, natural gas, and coal are all used to generate electricity in the United States.

  • Sorry, that’s incorrect.

    Oil, biofuels, natural gas, and coal are all used to generate electricity in the United States.

  • Sorry, that’s incorrect.

    Oil, biofuels, natural gas, and coal are all used to generate electricity in the United States.

  • Sorry, that’s incorrect.

    Oil, biofuels, natural gas, and coal are all used to generate electricity in the United States.

  • Correct!

    Oil, biofuels, natural gas, and coal are all used to generate electricity in the United States.

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.

How much of France's electricity is produced by nuclear power plants?

  • Sorry, that’s incorrect.

    Nearly 80% of France's electricity is produced by nuclear power plants.

  • Sorry, that’s incorrect.

    Nearly 80% of France's electricity is produced by nuclear power plants.

  • Correct!

    Nearly 80% of France's electricity is produced by nuclear power plants.

How much of the U.S. supply of natural gas is imported from outside North America?

  • Correct!

    Less than 2% of the U.S. supply of natural gas is imported from outside North America.

  • Sorry, that’s incorrect.

    Less than 2% of the U.S. supply of natural gas is imported from outside North America.

  • Sorry, that’s incorrect.

    Less than 2% of the U.S. supply of natural gas is imported from outside North America.

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