Oceanography crossword

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Across
  1. 2. middle/mantel
  2. 5. 2/plates/away/from/each/other
  3. 6. earth/shaking
  4. 7. hot/substance
  5. 8. 2/plates/come/together
  6. 9. big/wave
  7. 10. one/plate/sinks/under/another
Down
  1. 1. 2/plates/slip/and/grind
  2. 3. creates/lakes/rivers
  3. 4. big/mountain