science 6

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Across
  1. 2. something that's measured in an experiment
  2. 3. largest planet
  3. 6. an educated guess
  4. 8. measures wind speed
  5. 12. earths sister planet
  6. 13. measures temperature
  7. 15. measure precipitation
  8. 17. the atmosphere layer we live on
  9. 19. person who studies weather
  10. 20. water sticks to other substances0
  11. 21. measures wind directions
Down
  1. 1. the amount of water vapor in the atmosphere
  2. 4. When something revolves around something
  3. 5. helps ships in fog and planes in bad weather
  4. 7. only planet with visible rings
  5. 9. planet closest to earth
  6. 10. heat transmitted through a liquid
  7. 11. low-level thin cloud
  8. 14. the force that pulls things down
  9. 16. water sticks to water
  10. 18. planet we live on