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Energy Sources - PowerPoint PPT Presentation


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Energy Sources. Nonrenewable, Renewable, & Inexhaustible. Energy Sources. Energy: The ability to do work Energy sources are defined as Nonrenewable Renewable Inexhaustible The SUN is the original source of almost all energy sources on Earth. Nonrenewable Energy Sources.

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Energy Sources


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    1. Energy Sources Nonrenewable, Renewable, & Inexhaustible

    2. Energy Sources Energy: The ability to do work Energy sources are defined as • Nonrenewable • Renewable • Inexhaustible The SUN is the original source of almost all energy sources on Earth.

    3. Nonrenewable Energy Sources Sources that cannot be replaced once used • Fossil Fuels • Coal • Oil • Natural Gas Alternative Energy: Any fuel that is not identified as a fossil fuel

    4. Nonrenewable Energy Sources Sources that cannot be replaced once used • Uranium • Nuclear energy (fission) • 20% of the world’s electricity comes from nuclear power

    5. U.S. Department of Energy Renewable Energy Sources Sources that can be replaced once used • Animals • Food • Biomass • Biofuel • Ethanol • Methanol

    6. Inexhaustible Energy Sources Hydroelectric Tidal

    7. Inexhaustible Energy Sources Geothermal U.S. Department of Energy

    8. Inexhaustible Energy Sources Wind U.S. Department of Energy

    9. PS10 Inexhaustible Energy Sources Solar U.S. Department of Energy

    10. Ways to Store Energy • Hydrogen • Batteries Are not themselves a source of energy U.S. Department of Energy

    11. Image Resources Microsoft, Inc. (n.d.). Clip art. Retrieved January 10, 2008, from http://office.microsoft.com/en-us/clipart/default.aspx U.S. Department of Energy. (n.d.). Retrieved April 16, 2008, from http://www.doe.gov/