Across
- 5. connects lines of elevation
- 7. plowing on curves to stop soil loss
- 11. a weathered material
- 13. a type of map that shows elevation
- 16. a properties where water can seep through holes
- 17. a different type of contour line
- 18. when a rock is broken into small pieces
- 22. a chemical and physical process
- 24. a thick mass of grass
- 25. when a change in chemicals affect things
- 26. when ice wind or gravity affects something
- 27. how soil supports growth
- 28. when ice breaks rock
Down
- 1. the landing of different crops for each field
- 2. a layer of soil that changes color
- 3. when chemical breaks rock
- 4. geological process that happen in the past happen now
- 6. a layer of dead plant life
- 7. when dead plants are left in the ground to keep soil
- 8. a mix of most soil but mostly soil in top
- 9. a layer below the topsoil
- 10. the management of soil
- 12. something that breaks down organic life
- 14. a type of rock in the earth
- 15. the process in which rock gets carried away
- 19. shows a difference in elevation
- 20. something that humans use in the environment
- 21. organic material in the soil
- 23. soil made up of clay sand and silt
- 29. a event when soil loss happened in 1930's