Brandi's Crossword Puzzle

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Across
  1. 2. trapping of gases that cause the earth to heat up
  2. 6. how high from earth you are
  3. 7. when a cold front and a warm from bump and dont move
  4. 11. one of the four greenhouse gasses
  5. 13. shows places with the same temp[
  6. 14. a destructive vortex
  7. 15. type of cloud also know as a thunderhead
  8. 17. lines on a map that shows places with the same pressure
  9. 18. hottest layer of atmosphere
  10. 20. takes up 21% of the atmosphere
Down
  1. 1. when clouds form
  2. 3. when two air masses meet
  3. 4. a type of cloud indicate fair weather
  4. 5. takes pictures of things from the above
  5. 8. takes up 78% of the atmosphere
  6. 9. a violent storm with strong winds and it forms over water
  7. 10. sends signals out
  8. 12. shows wind speed
  9. 16. contain a fulcrum,effort and a load
  10. 19. protect us from the sun