Across
- 4. air mass that forms over land
- 8. the point where the air becomes saturated with air
- 10. the flow of air
- 11. a source of heat
- 12. the hottest layer
- 16. causes wind
- 19. an instrument used to measure pressure
- 20. air mass that forms over the ocean
- 21. the amount of water vapor in the air
- 23. when the air is full of water
- 24. an instrument used to measure temperature
- 25. is a greenhouse gas
Down
- 1. has the ozone layer
- 2. day to day conditions of an area
- 3. damages the ozone layer
- 5. layer which protects against radiation
- 6. a shell of gas around the earth
- 7. the coldest layer
- 9. Most abundant element in the air
- 13. shows pressure differences on a map
- 14. a change in temperature with distance
- 15. Where weather happens
- 17. average weather conditions of an are over a year
- 18. the weight of all air pressing down of earth's surface
- 22. the radiation given off by the sun