Across
- 5. front with teeth/half circles same side
- 7. instrument for air pressure
- 8. Heat transfer by touching/contact
- 9. any water that falls from clouds
- 13. layers of gases surrounding Earth
- 14. clouds need this to form
- 17. energy transfer from the sun
- 18. watervapor is a
- 19. front with half circles same side
- 20. trapped energy allows water to remain
Down
- 1. cause convection currents
- 2. cold air overtakes warm air mass
- 3. occurs during the day
- 4. measures relative humidity
- 6. cold and warm meet but neither move
- 10. clouds producing thunderstorms
- 11. measures windspeed
- 12. occurs at night
- 15. land heats and cools
- 16. cool dense air flows under