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Plate Tectonics: Continental Drift

Plate Tectonics: Continental Drift. Chapter 5:. Crust Mantle Core. Lithosphere Asthenosphere Mesosphere Outer Core Inner Core. Composition versus Structure. Breakdown of the Earth. Lithosphere = Crust and upper part of mantle, solid Asthenosphere = Mantle, convection currents, putty

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Plate Tectonics: Continental Drift

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  1. Plate Tectonics:Continental Drift Chapter 5:

  2. Crust Mantle Core Lithosphere Asthenosphere Mesosphere Outer Core Inner Core Composition versus Structure

  3. Breakdown of the Earth • Lithosphere = Crust and upper part of mantle, solid • Asthenosphere = Mantle, convection currents, putty • Outer core = core, liquid • Inner core = core, solid

  4. Foldable Earth Questions • Challenge: What is the Diameter of the earth? • How do you solve this problem? • Add all the layers • Inner core is just the radius

  5. Inner core vs outer core • How deep in the earth is the border between the outer core and inner core? • As we journey towards the center of the Earth, what happens to the temperature and pressure? Why?

  6. Inner Core • The temperature on the inner core is 6,000 degrees Celsius • Why is the outer core liquid while the inner core is solid?

  7. Continental Drift • Alfred Wegener • Theory that continents can drift apart and towards one another

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