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        9-12

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        Auditory, Visual

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        Pennsylvania Energy: Wind

        This video suggests wind along the ridges of Pennsylvania could provide 25% of the state's electricity while avoiding the creation of tons of carbon dioxide. While close to 80% of the Pennsylvania's energy now comes from coal-powered plants, coal pollutes the environment and contributes to global warming. Whether part of a large or small system, a wind turbine acts like a child's pinwheel, with blades moving as the wind blows to turn a generator that makes electricity. The price for energy from a clean source like wind will come down as the demand from organizations and individuals goes up.

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