Week 12 Vocabulary - Plate Tectonics

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Across
  1. 2. a long break in a body of rock or the crust of the earth.
  2. 4. when two tectonic plates move away from each other.
  3. 5. the rocky outer layer of a planet or moon; the layer of the Earth above the mantle.
  4. 6. the layer of the Earth between the crust and the outer core.
  5. 7. When two tectonic plates moved toward each other.
  6. 8. small holes left behind after lava cools and turns into volcanic rock.
  7. 9. layer of rock that makes up the outer part of the Earth, including the crust and upper mantle.
  8. 10. when a more dense oceanic crust dives down beneath less dense continental crust
  9. 11. the binding or gluing together of particles
Down
  1. 1. any one of the several large, separately moving sections of the Earth's surface that glide over the mantle.
  2. 3. A thin layer of Earth, about 150 miles thick, between the mantle and the crust.
  3. 5. the central part of a planet, especially the inner part of the Earth.