sp10_1b_106_PlateTec

sp10_1b_106_PlateTec - Energy: The Driving Force of Natural...

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Unformatted text preview: Energy: The Driving Force of Natural Hazards Earths internal Energy Solar Energy Gravitational Energy Sources of Energy Earthquakes, Volcanoes, Tsunami Storms, Hurricanes, Tornadoes, Floods Landslides, Meteorite Impacts Primary Force Behind Plate Tectonics The Driving Force of Geologic Hazards National Oceanic and atmospheric Administration/National Geophysical Data Center Alfred Wegener Evidence: (1) Continents Fit Together Evidence: (2) Rocks & Structures Match Up Evidence: (3) Glacial Features Evidence: (4) Fossils Pangea Animation Link If we are to believe Wegeners Hypothesis, we must forget everything which has been learned in the last 70 years and start over again. Critic of Continental Drift in 1928 Harry Hess Evidence: Seafloor Seafloor Spreading Oceans are pulling apart How could this hypothesis be tested? by examining the age of the ocean f oor 1. Earths surface is broken into rigid plates 2. Plates move 3. Geology happens where the plates interact with one another Basic Plate Tectonics What do we...
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sp10_1b_106_PlateTec - Energy: The Driving Force of Natural...

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