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Chapter 2

Chapter 2. Earth Structure. Crust. Thin rocky out layer of Earth where we live. Lithosphere. The crust and the solid upper layer of the mantle. Mantle. The thick middle layer of Earth. Asthenosphere. The solid but plastic layer found in the upper mantle on which the crust plate sits.

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Chapter 2

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  1. Chapter 2 Earth Structure

  2. Crust • Thin rocky out layer of Earth where we live

  3. Lithosphere • The crust and the solid upper layer of the mantle

  4. Mantle • The thick middle layer of Earth

  5. Asthenosphere • The solid but plastic layer found in the upper mantle on which the crust plate sits

  6. Core • The dense metallic center of Earth • Outer Core –liquid • Inner Core – solid iron ball

  7. Landform • Features sculpted by processes on Earth’s surface or resulting from forces with in Earth

  8. Uplift • Process that moves Earth’s surface to a higher elevation

  9. Erosion • The process of wearing away of rock and soil

  10. Rock • A natural, solid mixture of mineral crystal particles

  11. Rock Cycle • The series of processes that turn one rock into another rock

  12. Density • The amount of matter an object has per unit of volume D=Mass/volume

  13. Lava • Molten , liquid rock material found on Earth’s surface

  14. Magma • is molten material found beneath Earth’s surface. • The type and amount of elements present in the magma help determine which minerals will form as it cools. • Small crystals form from rapidly cooling magma and large crystals form from slowly cooling magma.

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