| A | B |
|---|
| sediment | fine particles of earth materials |
| erosion | wearing away of earth's surface by wind or water |
| deposition | eroded material settles out of the water |
| delta | fan shaped deposits where river meets larger water |
| canyon | deep valley caused by erosion |
| meander | slow turns in a river |
| basin | low, bowl shaped area |
| floodplain | a low area easily flooded |
| channel | the course or path the water takes in a stream or river |
| weathering | the breaking down of earth's substances into smaller amounts by wind or water |
| silt | small, fine grains |
| mouth | the area in which a river into another body of water |
| river | a large natural stream of water |
| slope | the angle or slant of a stream channel or land surface |
| alluvial fan | a fan or cone-shaped deposit of sediment built up by a river flowing down a steep slope |
| levee | a hill of earth to hold back flood waters |
| dam | a barrier to hold back the flow of water |
| riverbank | the edges of a river |
| bluff | a high cliff with a steep face |
