| A | B |
|---|
| Mechanical Weathering | Weathering that does not involve changes in chemical make-up of rocks |
| Chemical Weathering | Weathering that involves changes in the chemical make-up of rocks |
| Exfoliation | The breaking off curved sheets or slabs parallel to the rocks surface due to weathering |
| Abrasion | The wearing away of a substance by solid particles carried by wind, water, ect. is called what? |
| Dunes | Large hills of sand created by wind carried sand that has been deposited |
| Running Water | The major cause of erosion |
| Root-pry | The breaking apart of rock by the growth of plant roots. |
| Gravity | The force that pulls lossend rock down hills. |
| Organic-activity | When organic ( living ) things break down rock. This is also another word for root-pry. |
| Oxidation | The process in which oxygen chemically combines with another substance |
| Carbonation | The process in which carbonic acid reacts chemically with another substance. |
| Temperature | The factor that causes rocks to swell and shrink. |
| Sulfuric Acid | A byproduct produced by burning coal. |
| Plant Acids | A weak substance produced by living things. |
| Erosion | One substance is worn away by other moving substances |
| Deposition | when substances are droped from moving forces. What is this called |
| Loess | Sand and silt deposited by wind. |
| Drainage System | A network of streams that connect with a river. |
| Drainage Basin | An area drained by a main river and its channels. |
| Flood Plains | A flat area found on both sides of a river that are formed by sediments deposited by floods. |
| Delta | A triangular shape of sediments deposited a mouth of a large river. |
| Rills | A tiny stream |
| Gullies | Deeper wider streams |
| Streams | The channels connected to a river. |
| Glaciers | Large mass of moving snow and ice. |
