Across
- 2. - small soil particles rolling or sliding while maintaining contact with the ground
- 7. - loss of thin uniform layers of soil over a full field
- 9. a granular material of a size between sand and clay and composed mostly of broken grains of quartz
- 10. - channels or depressions that form in the same place year after year
- 11. - soil is moving through the air
- 14. - a chemical reaction that breaks a rock down
- 16. - channels or rills forming runoff, randomly located
- 18. - erosion of the sides of a stream over time
- 19. - the soil lying immediately under the topsoil
Down
- 1. - carbon-based compounds found within natural environments
- 3. - the upper, outermost layer of soil
- 4. - the original rock from which younger rock or soil is formed
- 5. - the geological process in which earthen materials are worn away and transported by natural forces such as wind or water
- 6. - the exertion of force on something so that it becomes more dense
- 8. - a loose granular material composed of finely divided rock and mineral particles
- 11. - the precipitation of salts in soils
- 12. - a form of soil made up of very small particles of aluminum silicate, smaller than sand and silt.
- 13. - breaking the rock down into smaller pieces
- 15. - large channels not able to be fixed by tilling of fields
- 17. - grains of soil bouncing across the ground