Plate Tectonics Crossword Puzzle

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Across
  1. 5. A substance under the Earth's crust.
  2. 7. Long,narrow,or elevated area of land
  3. 8. Known for significant earthquake activity
  4. 9. Rock that the ocean crust is made of
  5. 12. Cracks along the Earths surface.
  6. 13. When two plates move away from each other.
Down
  1. 1. Tectonic plates sliding past each other horizontally.
  2. 2. A mountain that erupts lava.
  3. 3. The sudden shaking of Earth.
  4. 4. When two plates collide and one slides under the other
  5. 6. A large wave coming from a Earthquake.
  6. 10. Sinking ocean plate
  7. 11. The force applied to the Earth.