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