Tsunami Crossword puzzle

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Across
  1. 2. Sining of a plate
  2. 7. Cracks in the earths surface
  3. 8. Iron-rich, under extremely high temp. and pressure
  4. 10. Crust + uppermost mantle
  5. 14. Upper mantle
  6. 15. Two plates sliding
Down
  1. 1. Two plates seprating
  2. 3. Hydrothermal vent
  3. 4. Seafloor
  4. 5. One plate subducted under the other
  5. 6. Surrounds the planet
  6. 9. Collision of plates
  7. 11. Continous chain of volcanic mountains
  8. 12. Near melting point of rock; semi-plastic
  9. 13. Iron and nickel