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 emitted by coal-fired power plants?

  • Sorry, that’s incorrect.

    All of the above are emitted from coal-fired power plants and can be harmful to our health and the environment.

  • Sorry, that’s incorrect.

    All of the above are emitted from coal-fired power plants and can be harmful to our health and the environment.

  • Sorry, that’s incorrect.

    All of the above are emitted from coal-fired power plants and can be harmful to our health and the environment.

  • Sorry, that’s incorrect.

    All of the above are emitted from coal-fired power plants and can be harmful to our health and the environment.

  • Correct!

    All of the above are emitted from coal-fired power plants and can be harmful to our health and the environment.

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.

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.

What percentage of U.S. electricity was generated by wind in 2008?

  • Correct!

    Almost 1% of U.S. electricity was generated by wind in 2008.

  • Sorry, that’s incorrect.

    Almost 1% of U.S. electricity was generated by wind in 2008.

  • Sorry, that’s incorrect.

    Almost 1% of U.S. electricity was generated by wind in 2008.

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.

The consumption of energy in the United States is projected to rise by how much between now and 2030?

  • Sorry, that’s incorrect.

    U.S. consumption of energy sources is projected to rise by 13% between now and 2030.

  • Correct!

    U.S. consumption of energy sources is projected to rise by 13% between now and 2030.

  • Sorry, that’s incorrect.

    U.S. consumption of energy sources is projected to rise by 13% between now and 2030.

The consumption of energy worldwide is projected to rise by how much between 2006 and 2030?

  • Sorry, that’s incorrect.

    Worldwide consumption of energy sources is projected to rise by nearly 50% between 2006 and 2030.

  • Correct!

    Worldwide consumption of energy sources is projected to rise by nearly 50% between 2006 and 2030.

  • Sorry, that’s incorrect.

    Worldwide consumption of energy sources is projected to rise by nearly 50% between 2006 and 2030.

Renewable energy (solar, wind, geothermal, hydroelectric, biofuels, waste, and wood) accounted for what percentage of the total energy supply in the United States in 2008?

  • Sorry, that’s incorrect.

    Renewable energy accounted for 7% of the total U.S. energy supply in 2008, less than any other type of energy source.

  • Correct!

    Renewable energy accounted for 7% of the total U.S. energy supply in 2008, less than any other type of energy source.

  • Sorry, that’s incorrect.

    Renewable energy accounted for 7% of the total U.S. energy supply in 2008, less than any other type of energy source.

Energy intensity is a measure of:

  • Correct!

    Energy intensity is a measure of a nation's energy efficiency represented through energy use per unit of GDP (Gross Domestic Product).

  • Sorry, that’s incorrect.

    Energy intensity is a measure of a nation's energy efficiency represented through energy use per unit of GDP (Gross Domestic Product).

  • Sorry, that’s incorrect.

    Energy intensity is a measure of a nation's energy efficiency represented through energy use per unit of GDP (Gross Domestic Product).

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Energy Hands-on

Energy Defined

U.S. Department of Energy

A federal agency within the executive branch of the U.S. federal government responsible for the advancement of the national, economic, and energy security of the United States.

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