Across
- 4. characteristic of a mineral
- 5. water wind and ice
- 7. a map
- 9. human uses
- 10. Earth
- 14. physically broken rock
- 16. elevation
- 17. management of soil
- 19. splits rock
- 20. plowing fields
- 21. soil supporting plant growth
- 22. chemical changes rock
- 25. the layer or soil that has different colors
- 27. heavier elevation
- 28. chemical changing substance
Down
- 1. the layer underneath the topsoil
- 2. planting of different crops
- 3. soil organism
- 6. mixture of humus and clay
- 8. dead stalks
- 11. rich fertile soil
- 12. rock beneath the soil
- 13. Earths surface
- 15. dead plant leaves
- 17. how plants grow
- 18. grass roots and soil
- 22. lines on a map
- 23. Great Plains
- 24. rock grinding away
- 26. dark colored material in soil