| A | B |
|---|
| Oxidation | The chemical reaction of oxygen with other substances |
| Exfoliation | The upward expansion of rocks that are formed deep underground may result in a mechanical weathering process |
| Frost wedging | When water is held in the cracks of a rock wedges the rock apart when it freezes |
| Acid rain | When sulfur dioxide,nitrogen compounds, and carbon dioxide releases by industries react with water in the atmosphere |
| Abrasion | When pebbles and large rocks grind and scrape against one another which then worns away the rock materials |
| Parent material | The rock material from which a soil is formed |
| Erosion | The removal and transport of materials |
| Mass movement | The downslope transportation of weathered materials by gravity |
