| A | B |
|---|
| weathering | breakdown of rocks and minerals on or below earths surface |
| mechanical weathering | weathering that does not change the chemical make up of the rock |
| plant acids | plants produce acids which dissolve the minerals in a rock |
| Frost Action | breaking apart of a rock caused by water freezing and then expanding within cracks |
| Root Pry | breaking apart of rocks caused by the growth of plant roots |
| water | water dissolves the minerals that hold the rock together |
| Abrasion | wearing away of a solid substance by solid particles carried by wind water or other forces |
| chemical weathering | weathering that involves changes in the chemical make up of a rock |
| oxidation | process in which oxygen chemically combines with another substance |
| carbonation | process in which carbonic acied reacts chemically with other substances |
| stable rock | rock composed of minerals that resist weathering |
