Ocean Crossword Puzzle

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Across
  1. 3. The slope between the outer edge of the continental shelf and the deep ocean floor
  2. 7. The top of a mountain or hill
  3. 8. Process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge
  4. 12. A seafloor mountain system formed by plate tectonics
  5. 13. An elongate depression in the seafloor that is characteristically shallower, shorter, narrower, and topographically gentler than oceanic trenches
  6. 14. Flat seafloor area at an abyssal depth
  7. 15. The ocean floor in those parts of the oceans that are more than 2000 m deep
  8. 17. Low-relief zone of accumulated sediments that lies between the continental slope and the abyssal plain
  9. 18. A seamount with a flat top
  10. 19. A small watercraft designed to operate underwater
Down
  1. 1. A type of excavation or in the ground that is generally deeper than it is wide
  2. 2. A linear shaped lowland between several highlands or mountain ranges created by the action of a geologic rift
  3. 4. The outer edge of continental crust abutting oceanic crust under coastal waters
  4. 5. An opening in the sea floor out of which heated mineral-rich water flows
  5. 6. The line along which a large body of water meets the land
  6. 9. A ridge of rock in the sea formed by the growth and deposit of coral
  7. 10. A submarine mountain
  8. 11. A steep temperature gradient in a body of water such as a lake, marked by a layer above and below which the water is at different temperatures
  9. 16. A raised mass of water on the surface of water, especially the sea, which is caused by the wind or by tides making the surface of the water rise and fall