The water planet

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Across
  1. 3. The name given to a particular pattern of currents and winds
  2. 5. It moves at a speed of 100 to 160 kilometers a day
  3. 7. The biggest and deepest ocean
  4. 8. A vent or crack at the bottom of the ocean
Down
  1. 1. This is when the sun and moon pull in the same direction
  2. 2. What bat toy fell out of a ship?
  3. 4. A scientist which studies oceans and the creatures and plant life in it
  4. 6. A valley in the ocean
  5. 9. The leftovers of something that has been smashed or broken down
  6. 10. Somthing thats alive