NASC 130 Essentials3_ch12

Represent fossilized sunshine essentials of geology

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Unformatted text preview: ogy, 3rd edition, by Stephen Marshak Chapter 12: Riches in Rock: Energy & Mineral Resources Sources of Energy Energy directly from gravity Gravitational pull of the Moon on the Earth causes tides Tidal flow can be harnessed to drive turbines Tidal Essentials of Geology, 3rd edition, by Stephen Marshak Chapter 12: Riches in Rock: Energy & Mineral Resources Sources of Energy Energy involving both solar energy and gravity Solar radiation heats air and evaporates water Gravity… Causes cooler air to sink and condense water vapor Pulls condensed water back to ground where it flows downhill Energy can be extracted from flowing wind and water Energy Essentials of Geology, 3rd edition, by Stephen Marshak Chapter 12: Riches in Rock: Energy & Mineral Resources Sources of Energy Energy from chemical reactions Energy stored in chemical bonds drives reactions Energy When bonds are broken, this energy may be used Exothermic reactions produce heat Exothermic Some also produce light and usable energy Essentials of Geology, 3rd edition, by Stephen Marshak Chapter 12: Riches in Rock: Energy & Mineral Resources Sources of Energy Energy from nuclear fission Energy nuclear Certain radioactive atoms can be fragmented Certain This fission process yields tremendous energy Fission energy used to run nuclear power plants Essentials of Geology, 3rd edition, by Stephen Marshak Chapter 12: Riches in Rock: Energy & Mineral Resources Sources of Energy Energy from Earth’s internal...
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