Soil vocabulary list

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

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