Across
- 3. water running off the land
- 6. when liquid turns into gas
- 7. a substance that has no fixed shape
- 11. odorless liquid
- 12. rain that does not reach the soil
- 14. a place to hold water
- 16. water or oil
- 17. water coming back as vapor
- 20. the movement into the ground
Down
- 1. when a gas turns into a liquid
- 2. a series of events that happens in order
- 4. a substance suspended in the air
- 5. the force that attracts a body toward earth
- 8. studying the physical and natural world
- 9. when it rains
- 10. movement of water through the soil
- 13. toward to bottom of a slope
- 15. moisture that falls and drops
- 18. the upper layer of earth
- 19. salt water that covers earth