| A | B |
|---|
| valley | a long, low area of land, usually between mountains or hills |
| harbor | a sheltered area of water where ships can anchor safely |
| plateau | a large level area of high land |
| marsh | low land that is wet and soft |
| tributary | a stream or river that flows into a large river |
| gulf | part of an ocean or sea that reaches into land, larger than a bay |
| canyon | a deep, narrow valley with steep sides |
| bay | part of an oean or lake that is partly enclosed by land |
| mountain range | group of connected mountains, or steep, high land areas |
| peninsula | a piece of land that is almost surrounded by water; it is connected to a larger body of land |
| coast | land that borders on a sea or ocean |
| plain | a broad stretch of level or nearly level land |
| source of a river | place where a river begins |
| lake | a body of water that is almost completely surrounded by land |
| island | area of land that is surrounded by water |
