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Inside the Earth

Inside the Earth. Saturday Science. Crust. This is the thin, rocky layer we think of as Earth’s surface. Its thickness changes from about 50 miles to 3 miles. Crust. Mantle.

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Inside the Earth

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  1. Inside the Earth Saturday Science

  2. Crust • This is the thin, rocky layer we think of as Earth’s surface. Its thickness changes from about 50 miles to 3 miles.

  3. Crust

  4. Mantle • This layer is rock hard, but it actually flows around the outer core, moving about as fast as your fingernails grow. • http://www.youtube.com/watch?v=uMcNCbR7B40 • 1:08-2:12

  5. Mantle

  6. Outer Core • This layer is also made up of mostly iron and nickel, but here the metals are melted into very hot liquid. This hot liquid forms a layer that moves around the inner core.

  7. Outer Core

  8. Inner Core • The center of the Earth is about 6,000 miles below the Earth’s surface. It is a solid ball made of mostly 2 materials: Iron and Nickel. • If we had a gallon jug of the earths core material, it would weigh more than 100 pounds!

  9. Inner Core

  10. Volcanoes and Earthquakes • Gyser/ Volcano • http://www.youtube.com/watch?v=uMcNCbR7B40 • 3:15- 3:50 • Earthquake: when the surface of the earth that is floating on the mantle shifts from heat build up.

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