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Bell Ringer October 6 th :

Bell Ringer October 6 th :. Explain Abrasion. Layers of the Earth. Crust. The thin and solid outermost layer of the earth above the mantle. Less than 1% of the Earth’s mass. 5 to 100 km thick Temperature ranges from 0 degrees C to 1000 degrees C. Can be Continental or Oceanic.

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Bell Ringer October 6 th :

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  1. Bell Ringer October 6th: Explain Abrasion

  2. Layers of the Earth

  3. Crust • The thin and solid outermost layer of the earth above the mantle. • Less than 1% of the Earth’s mass. • 5 to 100 km thick • Temperature ranges from 0 degrees C to 1000 degrees C. • Can be Continental or Oceanic. • Made of oxygen, silicone, and aluminum.

  4. Mantle • The layer of rock between the Earth’s crust and core. • 67% of the Earth’s mass. • 2,900 km thick • 1,000 degrees C to 3,700 degrees C. • Similar to the crust, but has more magnesium.

  5. Core • The central part of the Earth below the mantle. • 33% of the Earth’s mass with a radius of 3,430 km. • Temperature ranges between 3,700 degrees C to 7,000 degrees C. • Made of mostly iron and some nickel.

  6. Lithosphere • The solid, outer layer of the Earth that consists of the crust and the rigid upper part of the mantle. • Between 15-300 km thick.

  7. Asthenosphere • The soft layer of the mantle on which the tectonic plates move. • About 250 km thick.

  8. Mesosphere • The strong, lower part of the mantle between the asthenosphere and the outer core. • About 2,250 km thick.

  9. Tectonic Plate • A block of lithosphere that consists of the crust and the rigid, outermost part of the mantle.

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