| A | B |
| weathering | breaking rock down into fragments by the action of wind, rain, snow, frost or heat |
| chemical weathering | the wearing away of rocks by chemicals in rain or acid rain |
| physical weathering | the wearing away of rocks by changes in temperature, freeze/thaw, or the effects of wind, rain and waves; a.k.a. mechanical weathering |
| biological weathering | the wearing away of rocks due to the behavior of animals and plants |
| erosion | the movement of fragments away from its original rock |
| transport | to move something from one place to another |
| rock cycle | continuous cycle in which rocks are formed, broken down, and re-formed |
| fossil | a once-living thing preserved in a rock |
| rock fragment | a piece of a rock that has broken or worn off from the primary rock |
| deposition | the process of fine particles being laid down |
| *disintegrate | to break up |