Ocean Basins

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Across
  1. 2. flat-topped submerged seamount
  2. 4. V-shaped valley cut deep in continental shelf & slope
  3. 7. ooze made of calcium carbonate, never found below 5 km deep
  4. 11. study of ocean, movements, ocean floor, ocean water, and ocean life
  5. 13. part of continent with steeper slope, boundary between continental & oceanic crust
  6. 14. ooze made of silicon dioxide, found at any depth
  7. 16. uses sound and echoes to determine the location of objects under water
  8. 17. smaller than ocean partially or completely surrounded by land
  9. 18. very fine silt and clay sized particles of rock
  10. 20. form underwater mountain ranges, at divergent boundaries
  11. 21. part of continent located between shoreline and deep-ocean bottom
Down
  1. 1. covers nearly 75% of earth's surface
  2. 3. long, narrow depressions in deep-ocean basins, result of subduction
  3. 5. type of sediment that was produced by once living things
  4. 6. ocean floor under deep water, composed of oceanic crust and thin sediment
  5. 8. part of continent where a wedge of sediment is formed at base of continental slope
  6. 9. underwater research vessel
  7. 10. large, flat, almost level area of deep-ocean basin
  8. 12. cylindrical piece of sediment, rock, or soil that is collected by drilling
  9. 13. part of continent covered by water, slopes gently
  10. 15. volcanic mountains taller than 1 km
  11. 19. lump of minerals scattered on the ocean floor