Across
- 2. water that falls from the clouds to the ground as rain, snow, sleet, or hail
- 6. continuous movement of water through the oceans, atmosphere, ground and living things
- 7. process in which water seeps into the ground through holes in the dirt and cracks in rocks
- 8. a simple chemical compound, each molecule contains 2 hydrogen atoms and 1 oxygen atom
- 11. process in which water vapor changes into water
- 12. release of water vapor into the atmosphere from the leaves of plants
- 13. process in which water changes into water vapor
Down
- 1. average amount of time a substance remains in a reservoir
- 3. fresh water found below Earth's surface
- 4. process in which a solid changes directly into a gas without going through the liquid state
- 5. water that has little or no dissolved salts
- 9. storage location for a substance such as water
- 10. precipitation that flows over the surface of the land
