Across
- 4. changing of a liquid to a gas
- 7. changing of a gas to a liquid
- 8. water in lakes, rivers, and oceans
- 9. the only known planet with liquid water
- 10. three states of water
- 13. gas in the air
- 15. an accumulation of water on Earth's surface
- 16. in glaciers and snow banks
Down
- 1. rain, sleet, snow, hail
- 2. absorbs energy from the Sun
- 3. water on the surface that soaks into the ground
- 5. Earth's most valuable resources
- 6. group of droplets
- 11. in rivers, oceans and streams
- 12. drives the water cycle
- 14. in the air as water vapor