Crossword

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Across
  1. 2. Measures speed
  2. 3. a cloud that brings bad weather
  3. 5. Takes up 21%
  4. 6. Sends signal
  5. 8. When two air masses meet
  6. 11. Forms over warm water
  7. 12. Protects the earth from UV rays
  8. 14. Bouncing on a fulcrum
  9. 15. Takes up 78%
  10. 17. Takes pictures
  11. 18. When a cold front an a Warm front meet each other
Down
  1. 1. Trapping suns heat
  2. 4. Bars on a map
  3. 7. how high you are from the earth
  4. 9. When water evaporates
  5. 10. hottest layer in the atmosphere
  6. 13. Cloud that brings good weather
  7. 16. Lines on a map