| A | B |
| Erosion | the process where material is moved from one place to another |
| Deposition | the part of erosion where sediment is put in a new location |
| Mass wasting | rock or soil moving downhill |
| Drainage basin | an area where water drains into a stream system |
| Divide | a ridge where water drains to one side or the other |
| Floodplain | a flat area of land on either side of a stream that is nearly level with |
| Alluvial fan | a fan-shaped deposit of sediment at the base of a mountain |
| Delta | an area of land, formed of sediment, at the end of a river |
| Sinkhole | a basin that forms when the roof of a cavern caves in |
| Longshore drift | the zigzag movement of sand along a beach, caused by waves |
| Longshore current | the movement of water along a shore as waves strike the shore |
| Sandbar | a ridge of sand built up by wave action |
| Barrier island | a long and narrow island that develops parallel to a coast |
| Dune | a mound of sand built up by the wind |
| Loess | deposits of fine-grained, wind-blown sediment |