| A | B |
|---|
| running water | major cause of erosion |
| wind | the most active agent of erosion |
| water | major substance in lakes and oceans |
| gravity | what pulls the loose rocks apart off the cliff |
| glaciers | large mass of moving ice and snow |
| waves | what shape the oceans shoreline |
| rivers | the water that flows into lakes or oceans |
| streams | water that flows into rivers |
| gullies | water that flows into streams |
| rills | water that flows into gullies |
| delta | sedimentso f rock deposited at the mouth of a river which flows into lakes and ocean |
| drainage basin | a area drained by clean river |
| frost action | the water in the cracks freze and expand, braking the rock |
| run off | when water runs on ground taking rock particules with it |
| erosion | when the rock particules are disolved |
| oxidation | when oxygen chemicaly combine with another substance |
| root pry | when rock are broken when the roots of plants grow |
| abrasion | waring of rocks by solid or wind particules |
| oasis | where plants are able to grow in the desert |
| dunes | wind the blows sand from one place to another making hills |
| landslides | when loose rocks are pulled apart from gravity making them slide |
| temperature | the expantion and contraction of temperature which brakes the rock |
| mechanical weathering | weathering that changes the rock but not the pyhiscal features |
| flood plain | the streams along rivers caused from floods |
| windbrake | is when the wind dies down and leaves hills |
