Across
- 2. Very tiny rain drops
- 5. Changing of water from liquid to gas by boiling
- 10. Changing of water from liquid to a gas without boiling
- 11. Clouds that are fluffy and billowy
- 13. Clouds that are wispy and curly
- 14. Rock with holes that allows water to flow through it
- 15. Dropping silver iodide or other chemicals into clouds to encourage raindrop formation
- 18. Rising of warm air
- 19. Water vapor that condenses and freezes on the ground, plants, or other objects
- 20. Clouds that are likely to bring rain
- 22. Rock that does not allow water to flow through it
Down
- 1. 100% relative humidity
- 3. Rain with a lower than normal pH level
- 4. Clouds that are stretched out in layers or sheets
- 6. Water droplets stick together to form larger drops
- 7. Water condensed on the ground
- 8. A cloud that touches the earth
- 9. Circulation of water primarily by evaporation and precipitation
- 11. When water vapor cools and turns into liquid water
- 12. Releasing of water vapor into air by breathing or photosynthesis
- 16. A long period of time without significant precipitation
- 17. Larger pellets of ice
- 21. Small round pellets of ice