Across
- 3. to make dirty or unclean
- 5. water in the form of an invisible, odorless gas
- 8. an underground layer of rock that can hold water
- 9. the changing of a liquid into a gas
- 11. the changing of a gas into a liquid
Down
- 1. water beneath the Earth's surface
- 2. droplets of water that from in the atmosphere and fall to the ground
- 4. the area where water drains into a river
- 6. a human made lake that is used to store water
- 7. a pathway built by people to move water long distances
- 10. making something usable again