Across
- 3. unbroken solid rock
- 5. dark organic material in soils
- 7. something that drains or flows off
- 8. land falls off high surfaces
- 9. upper part of soil
- 12. water falling from the sky
- 17. the act of forming
- 18. hydrologic cycle
- 20. one of the four main states of matter
- 21. rocks in soil deposited at river and ocean
Down
- 1. surface of the earth that is worn away
- 2. the bed of the earth under the surface of soil
- 4. where water leaves a body of water
- 6. water vapor into liquid
- 10. thin layer of material on the earth's surface
- 11. causes to decompose
- 13. use the thermometer
- 14. the state of atmosphere
- 15. molecules tightly packed
- 16. water,juice and soda
- 19. weather conditions
