Earth & Space/ Ocean

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Across
  1. 3. middle layer of the ocean
  2. 4. Sound navigation ranging used by scientist
  3. 7. horizontal or vertical movement of ocean
  4. 9. ocean's surface
  5. 11. distance from crest to trough
  6. 12. upward motion of ocean
  7. 14. cycle of warm and cold sea suface
  8. 17. bottom layer of the ocean
  9. 20. The scientific study of Earth's ocean.
  10. 22. most abundant salt in the ocean
  11. 23. highest point of the wave
  12. 24. surface water moves replace by upwelling
  13. 25. lower than normal low tides
Down
  1. 1. lowest point of the wave
  2. 2. Another name for Earth
  3. 4. ocean at 50 degrees latitude
  4. 5. differences in salinity and temperature
  5. 6. collapsing of waves
  6. 8. measure of dissolved sea salt in the ocean
  7. 10. gases emitted from this formed oceans
  8. 13. algae that helps with carbon dioxide
  9. 15. burns up in the earth's atmosphere
  10. 16. periodic rise and fall of sea level
  11. 18. top layer of the ocean
  12. 19. distance from crest to crest
  13. 21. area of water where the wind blows
  14. 22. higher than normal high tides
  15. 26. largest ocean