Oceanography Crossword

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Across
  1. 3. A body of water or air moving in a definite direction.
  2. 6. The blanket of air around the Earth.
  3. 7. You must study ____ and mathematics to become an Oceanographer.
  4. 8. Someone who works on Oceanography.
Down
  1. 1. A vehicle that helps Oceanographers study the sea.
  2. 2. bottom of the Ocean
  3. 4. The study of the sea.
  4. 5. The alternate rising and falling of the sea.
  5. 7. Salty water.