| A | B |
| Erosion | Process by which broken down rock materials are carried from one place to another. |
| Weathering | Process by which rock is broken into smaller pieces. |
| River System | A river and the waterways it draws into. |
| Sediments | Materials carried by moving water, such as soil, gravel and rocks. |
| Delta | Flat, usually triangular plane, formed by deposits of sediment where a river empties into an ocean. |
| Headland | A natural piece of land that extends out into the water. It may be at the mouth of the bay. |
| Bay | Body of water that is partly enclosed by land but has an opening or mouth connecting the water to the ocean. |
| Barrier Islands | Large deposits of sand extending nearly the length of the Atlantic Ocean. |
| Jetty | Structure built to stop the movement of sand. |
| Sand Dunes | Piles of sand deposited in one place by wind. |
| Butte | A narrow-topped hill with very steep sides. |
| Glacier | A large mass of ice that forms over land. |
| Ice Sheets | Also called Continental Glaciers, found only in Greenland and Antartica. |
| Alpine Glaciers | Also called Valley Glaciers found in high mountain ranges. |
| Moraine | Rock material carried by glaciers. |
| Terminal Moraine | Moraine that is deposited at the farthest point to which the glacier has moved. |
| Erratics | Large boulders dropped by a glacier as it melts. |