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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
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Core samples are small portions of a formation taken from an existing well and used for geologic analysis. The sample is analyzed to determine porosity, permeability, fluid content, geologic age, and probable productivity of oil from the site. Drilling is the only way to be sure that oil and gas...
Grade Level   5 6 7 8 9
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"""""""""Informational text"""""""" provides factual information about the world to readers. Being able to understand these texts is an important skill for college and career readiness. As well, many readers find informational text highly motivating, since the topics that are covered may be of great...
Grade Level   6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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