Plate tectonic crossword puzzle

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Across
  1. 2. a single super continent
  2. 4. a fracture between two rocks
  3. 6. to transform
  4. 8. a small spot in which the temperatures are high
  5. 10. the ridged outer part of the earth
  6. 12. a disaster that causes the ground to shake
  7. 13. moving in opposite direction
  8. 14. where continental plates touched
  9. 15. a hill that contains lava
Down
  1. 1. a theory in which all the continents were once together
  2. 3. moving closer
  3. 5. weaker layer between the lithospheric mantle
  4. 7. a path along the Pacific Ocean that has active volcanos
  5. 9. a wave of energy
  6. 11. when plates go into the mantle