Weather

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Across
  1. 3. An instrument used to measure air pressure
  2. 4. Layer in the atmosphere where weather conditions occur
  3. 7. Weather scientist
  4. 10. Visible masses of tiny water droplets or ice crystals in the atmosphere
  5. 12. Unit of humidity
  6. 13. Rain, snow or drizzle
  7. 14. Process where liquid water turns to water vapour
  8. 17. Unit of temperature
  9. 18. Used to measure temperature
  10. 19. An instrument used to measure wind direction
Down
  1. 1. Gas used in photosynthesis
  2. 2. Instrument used to measure humidity
  3. 5. Instrument used to measure wind speed
  4. 6. Makes up 78 percent of the atmosphere
  5. 8. Measure of hotness or coldness of a place
  6. 9. Unit of air pressure
  7. 11. Instrument used to measure rainfall
  8. 15. Gas which aids in combustion or burning
  9. 16. Movement of air