Introduction to earth processes

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1. Introduction to Earth Processes<br />8SCIENCE: Mon. April 4, 2011<br /> 2. 3. What are Earth Processes?<br />Forces within the earth<br />How…
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  • 1. Introduction to Earth Processes<br />8SCIENCE: Mon. April 4, 2011<br />
  • 2.
  • 3. What are Earth Processes?<br />Forces within the earth<br />How earthquakes and volcanoes are related to movements inside the earth<br />Both release great amounts of energy that can have effects on the Earth’s surface<br />Both can have devastating effects<br />Most recently in seen in Japan<br />
  • 4. Earthquakes<br />Rocks move and break along surfaces called faults<br />Vibrations caused by rocks breaking along faults<br />Usually results from plates (large pieces of the Earth) that are moving under, over or past each other<br />
  • 5. Volcanoes<br />Opening in Earth’s surface <br />Can form a mountain when layers of ash and lava build up<br />Are found where plates (large pieces of the Earth) are moving apart or together or at hot spots<br />Most of Earth’s volcanoes are not active <br />
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