Weather

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Across
  1. 3. high altitude clouds made of ice crystals
  2. 5. towering dark clouds; rain on it's way
  3. 6. puffy cotton-ball clouds; seen on clear warm days
  4. 8. wator vapor in the air
  5. 9. an instrument used to measure air pressure
  6. 11. all the particles of air pressing down on the surface of the earth
  7. 12. the border where two air masses meet
  8. 13. low layer clouds; dark; sometimes bring light rain
  9. 15. layer closest to the earth, almost all weather happens here
  10. 17. an instrument used to measure water vapor in the air
Down
  1. 1. the atmosphere traps heat much like a greenhouse
  2. 2. the layer of air that surrounds our planet
  3. 4. instrument used to measure precipitation
  4. 7. contains most of atmospheres ozone
  5. 10. a large body of air that forms over a land mass or large body of water
  6. 14. an instrument used to measure wind speed
  7. 16. lines drawn to connect areas of the same atmospheric temperature