Masons crossword puzzle

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Across
  1. 3. biggest ocean
  2. 8. two plates spread apart and create mid ocean ridge
  3. 11. valley that runs along the mid ocean ridge
  4. 12. shallow part of water near the coast
  5. 13. deepest part of the mariana trench
Down
  1. 1. near freezing temps
  2. 2. two plates smash together and create the himalayas
  3. 4. smallest ocean
  4. 5. 600-300 feet down
  5. 6. Deepest part of the ocean
  6. 7. continental plate pushes the oceanic plate down
  7. 9. goes down in to the abyssal plain.
  8. 10. zone base of marine food chain