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Published in 2011
Solar and wind power may get the headlines when it comes to renewable energy. But another type of clean power is heating up in the hills just north of Sonoma wine country. Geothermal power uses heat from deep inside the Earth to generate electricity. The Geysers, the world's largest power-producing...
Grade Level   6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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A volcano is a vent in the surface of the Earth through which magma and gasses erupt. Volcanic eruptions are among the Earth's most powerful and destructive forces, but volcanoes are also creative. Volcanoes have also shaped the Earth's landscape, as many of our mountains, islands, and plains have...
Grade Level   5 6 7 8
Classroom Activities Curricula and Instruction
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