Across
- 3. An instrument used to measure air pressure
- 4. Layer in the atmosphere where weather conditions occur
- 7. Weather scientist
- 10. Visible masses of tiny water droplets or ice crystals in the atmosphere
- 12. Unit of humidity
- 13. Rain, snow or drizzle
- 14. Process where liquid water turns to water vapour
- 17. Unit of temperature
- 18. Used to measure temperature
- 19. An instrument used to measure wind direction
Down
- 1. Gas used in photosynthesis
- 2. Instrument used to measure humidity
- 5. Instrument used to measure wind speed
- 6. Makes up 78 percent of the atmosphere
- 8. Measure of hotness or coldness of a place
- 9. Unit of air pressure
- 11. Instrument used to measure rainfall
- 15. Gas which aids in combustion or burning
- 16. Movement of air