Across
- 3. cloud seen during low air pressure
- 4. this type of front brings thunderstorms
- 8. type of front that stays for long time
- 9. forms as warm air rises and cool air falls
- 10. the reason winds travel in all directions
- 11. layer of atmosphere containing autotrophs
- 12. this breeze occurs when land is cooler than sea
- 14. cloud made of ice crystals
- 15. used to determine hurricane strength winds
Down
- 1. evaporation from plants
- 2. cloud seen during high air pressure
- 3. layer that protects earth from overheating
- 5. this is made of oxygen and filters sunlight
- 6. a cold water current
- 7. measures air pressure
- 10. one of the greenhouse gasses
- 12. air pressure resulting in stormy weather
- 13. when a cloud is formed