Across
- 5. fresh water under Earth's surface
- 6. water that falls from the sky to Earth (snow, rain, sleet, hail)
- 8. needs to be added to a liquid to make it evaporate
Down
- 1. cycle movement of water from Earth's surface into air and back to the surface again
- 2. changing of a gas to a liquid
- 3. changing of a liquid to a gas
- 4. powers the water cycle
- 7. a place where fresh water from a river mixes with salt water from the ocean