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offers activities for learning about electrolysis, electric-powered vehicles, ethanol-fueled cars, solar collectors, levers, energy in hurricanes, energy in light, how a thermometer works, liquefied natural gas, solar cooking a hot dog, natural refrigeration, measuring electricity, wind turbines, the blackout of 2003, and underwater oil recovery. Students can use energy surveys to examine energy use at school and at home. (Department of Energy)
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When sunlight strikes the earth's surface, some of it is reflected back towards space as infrared radiation (heat). "Greenhouse gases" absorb this infrared radiation and trap the heat in earth's atmosphere. |
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How oil is formed |
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