Tsunami Crossword Puzzle

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