Ocean

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Across
  1. 3. A process where deep, cold nutrient-rich water rises up.
  2. 6. The movement of water.
  3. 8. Ocean currents that flow deep below the surface.
  4. 9. The steep slope where the shelf drops down to the ocean floor.
  5. 12. Formed by volcanic activity.
  6. 13. The vertical distance between the crest and the trough.
  7. 15. Occurs when the sun, moon, and Earth are aligned.
  8. 16. Builds up land above the ocean surface.
  9. 17. Caused by the gravitational pull of the moon and the sun.
  10. 18. A continuous movement of ocean water in a direction.
  11. 21. The distance between two consecutive wave crests or troughs.
Down
  1. 1. The types and amounts of different substances.
  2. 2. Ocean currents that flow near the surface of the water.
  3. 4. Occurs when the sun and moon are at right angles to each other.
  4. 5. A deep area where its usually found at depths.
  5. 7. A underwater edge of a continent where its shallow.
  6. 10. A system that uses sound waves to measure objects underwater.
  7. 11. A narrow valley in the ocean floor.
  8. 14. Caused by underwater earthquakes or volcanic eruptions.
  9. 19. The amount of salt dissolved.
  10. 20. The amount of mass in a given volume.