| A | B |
|---|
| Weathering | The breaking down of rocks |
| Mechanical weathering | The breking down of rocks without changing the chemical Make up |
| Chemical weathering | The weathering of rocks by changing the chemical makeup |
| Frost Action | WQater gets into the cracks in rocks and freezes and expands, breaking the rock |
| root pry | roots get into the cracks in rocks and break it |
| gravity | Gravity pulls loosened rocks down a cliff and as they fall they break apart |
| land slide | a large movement of loose rocks and soil, caused by gravity |
| abraision | sand being blown against rocks |
| Carbonation | a Gass in the air mixes with rain to form an acid |
| Sulperic Acid | sulphor in the air mixes with rain to make an acid |
| Plant Acid | An acid caused by some by some vegetation |
| erosion | The weathering of rocks |
| Deposition | The movement of rocks |
| soil creep | The slow procces by which soil moves down a hill |
| wind | wind can blow sand against a rock to break it into small pieces |
| oasis | a fertile palce |
| dunes | Mounds of sand in the desert caused by wind |
| loess | Many layers of sand and silt built up to form a distinct path |
| Running water | Majour cause erosion |
| drainage system | The creeks and streams that drain an area of any extra water |
| tributaries | creeks and sreams that drain into a water |
| glaciers | a slow moving mass of ice and snow |
| waves | eroders of waterside cliffs |
| sea stack | the resistant mineral left after all the soft minerals where eroded |
| Beach | formed from sand built up in one plce |
