Geoscience crossword puzzle

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Across
  1. 4. opposite direction
  2. 6. measures weather
  3. 7. metric unit for mass
  4. 8. matter that settles at the bottom
  5. 9. in the ocean and electromagnetic spectrum
Down
  1. 1. same direction
  2. 2. basic unit for length in metric system
  3. 3. measures speed
  4. 5. radiation from the sun