| A | B |
|---|
| bay | small area of ocean partly surrounded by land |
| coast | land next to an ocean |
| gulf | a large area of ocean partly surrounded by land |
| harbor | place on a coast where ships can dock safely |
| island | land completely surrounded by water |
| peninsula | land with water on three sides of it |
| delta | soil laid down at the mouth of a river |
| river | a large stream of water |
| river valley | low land through which a river flows |
| swamp | low, wet land |
| tributary | small river that flows into a larger one |
| basin | a low, bowl-shaped area |
| canyon | narrow valley with high, steep sides |
| desert | dry land where few plants grow |
| mesa | flat-topped hill common in dry areas |
| plain | large area of flat or gently rolling land |
| plateau | area of high flat land |
| volcano | opening in the Earth that throws out melted rock and gasses |
| valley | low land between mountains or hills |
| slope | the side of a mountain or hill |
