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Subject is Energy--Study and teaching

Results 146 - 147 of 147

		WeightLifter Wind Turbine The WeightLifter PVC Turbine is designed to explore how well a wind turbine can move heavy objects. Before there were electrical generating wind turbines, windmills were used to grind grain, pump...		More Info
		http://learn.kidwind.org/sites/default/files/weightlifter.pd...

		What Does the Sun Give Us? You may have realized that the sun gives off heat. It feels so good to feel the warm sun on our skin when we're cold! The sun has an amazing amount of heat and even though we only get a small amount...		More Info
		http://www1.eere.energy.gov/education/pdfs/solar_whatdoessun...

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