| A | B |
|---|
| weathering | breaking down of rocks |
| erosion | the removal of weathered material |
| mechanical weathering | the process by which rocks break down into smaller pieces |
| frost wedging | the repeated freexing and thawing of water in cracks of rocks |
| exfoliation | the removal of the outer layers of rocks |
| chemical weathering | the chemical breakdown of rocks |
| hydrolysis | occurs when water interacts with rocks to break them down |
| oxidation | occurs when oxygen interacts with rocks to break them down |
| deposition | when eroded material is dropped |
| rill erosion | the erosion by running water in small channels on the side of a slope |
| gully erosion | a deep and wide channel that forms from repeated erosion by water |
| soil | loose, ground up rock with humus |
| residual soil | soil that is located above its parent bedrock |
| transported soil | soil that has been moved away from its parent bedrock |
| soil profile | the vertical sequence of soil layers |
| soil horizon | a distinct layer in a soil profile |
