| A | B |
| basin | area of land drained by a given river and its branches |
| bay | a part of a large body of water that extends into the land. |
| channel | wide strait or waterway between two land masses that lie close to each other |
| canyon | a deep narrow valley with steep sides. |
| cape | point of land that extends into a river, lake , or ocean |
| delta | a triangular shaped low-lying land at the mouth of a river. |
| divide | a stretch of high land that separates river systems |
| escarpment | steep cliff or slope between a higher and lower land surface |
| hill | an area that rises above surrounding land. |
| island | an area of land completely surrounded by water. |
| isthmus | a narrow strip of land that connects two larger areas of land. |
| mesa | a high, flat-topped landform with cliff-like sides. |
| mountain | an area that rises steeply at least 2000 ft above sea level. |
| mountian pass | a gap between mountains |
| pennisula | an area of land almost completely surrounded by water. |
| plain | A large area of flat or gently rolling land. |
| plateau | an area of flat or rolling land at a high elevation |
| river mouth | The point where a river enters a lake or sea. |
| strait | A narrow stretch of water that connects to larger bodies of water. |
| tributary | A small river or stream that flows into a larger river. |
| volcano | An opening in the Earth's surface through which lava, ashes and gasses escape. |