Across
- 3. water that has very little salt in it
- 6. rain, snow, sleet and hail
- 7. underground supply of water
Down
- 1. the process by which water vapor changes into liquid water
- 2. a huge sheet or block of moving ice
- 4. the process by which liquid water changes into water vapor
- 5. the movement of water from Earth's surface to the air and back again
- 8. rainwater flows across the ground