Atmosphere, Air Masses, and Fronts

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Across
  1. 3. H2O in gas state, found only in troposphere
  2. 4. Layer of atmosphere closest to the ground
  3. 6. Dry air mass that forms over land
  4. 11. Cold Air mass that form over cold regions
  5. 15. Front associated w/ long periods of rain
  6. 16. Layer of atmosphere where auroras occur
  7. 17. Transfer of thermal energy by flowing fluids
  8. 18. When two different air masses interact
  9. 19. Outer most layer of atmosphere
  10. 20. Large body of air with same characteristics
  11. 22. Gas that makes up 21% of Earth's atmosphere
  12. 23. Warm air mass that forms near equator
  13. 25. Warm air mass caught between 2 cold masses
Down
  1. 1. Transfer of thermal energy when atoms collide
  2. 2. Moist air mass that forms over water
  3. 5. Layer of atmosphere that contains ozone
  4. 7. Gas used by plants during photosynthesis
  5. 8. Front associated w/ storms and cold weather
  6. 9. Gas that makes up 78% of Earth's atmosphere
  7. 10. Transfer of thermal energy by EM waves
  8. 12. Tiny particles of dust and salt
  9. 13. Front associated w/ light rain & warm weather
  10. 14. Middle layer of atmosphere where meteors burn
  11. 21. Blanket of gases that surrounds Earth
  12. 24. Gas found in stratosphere that blocks UV rays