Renewable Energy

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Renewable Energy 18.1
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Renewable Energy Energy from sources that are
constantly being formed wind, power of moving
water, Earths heat
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Solar Energy Energy from the sun powered by
nuclear fusion All renewable resources come from
the sun
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Passive Solar Heating Suns energy heats
something directly sun enters through windows
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Active Solar Heating Suns energy that is
collected solar panels
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Photovoltaic Cells Cells that convert the suns
energy into electricity
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Wind Energy cheap abundant wind farms
(turbines)
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Biomass Fuel Plant material, manure, and any
other organic matter that is used as an energy
source Ex. methane, alcohol
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Hydroelectric Energy Energy produced from moving
water Accounts for 20 of the worlds electricity
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Damsexpensive to build, fairly inexpensive to
operate Changes a rivers flow
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Geothermal Energy Energy from heat of the Earths
crust U.S. is the largest producer of geothermal
energy