Dive & Discover: Ocean Floor Fun Crossword

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Across
  1. 2. Submarine volcano with a flat top due to erosion
  2. 5. Deep trench formed when one plate subducts under another
  3. 7. Rapid temperature-change layer in ocean depth
  4. 9. Underwater mountains formed by seafloor spreading
  5. 10. Flat,deep region of the ocean floor covered by fine sediment
Down
  1. 1. Shallow submerged extension of the continent
  2. 3. Hot, mineral-rich water venting from seafloor cracks
  3. 4. Plate boundary where new seafloor is formed
  4. 6. Thick sediment deposit formed by turbidity currents
  5. 8. Deep boundary where the ocean meets the land underwater