| Term | Definition |
|---|
| soil | mixture of weathered rock and decaying organic matter |
| mechanical weathering | physical process that breaks down a rock |
| humus | organic material in soil |
| erosion | transport of sediments |
| chemical weathering | break down of rocks by a chemical reaction |
| frost wedging | repeated freezing and thawing of water that breaks down rocks |
| horizon | a layer of soil |
| leaching | process where water carries nutrients out of soil |
| parent material | bedrock which soil is made from |
| transported soil | soil that has been moved from another place |
| deposition | laying down of sediments |
| climate | temperature and precipitation that an area recieves |
| soil fertility | ability of soil to support plant growth |
| exfoliation | removing the outer layers of a rock |
| hydrolysis | dissolving of minerals by water |
| subsoil | horizon B; rich in clay |
| topsoil | horizon A, mixture of humus and weathered rock |
| oxidation | rusting |
| rill | narrow channel caused by running water erosion |
| gulley | deep and wide channel caused by running water erosion |
Combine with other sets
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