| A | B |
|---|
| basin | An area of low-lying land surrounded by higher land |
| bay | part of an ocean, sea, or lake that extends into the land. smaller than a gulf |
| canyon | a deep, narrow valley with steep sides |
| coast | land along an ocean or sea |
| delta | land formed at the mouth of a river by deposits of silt, sand, and pebbles |
| desert | a very dry area where few plants grow |
| gulf | part of an ocean or sea that extends into the land |
| hill | a rounded, raised landform, not as high as a mountain |
| island | land completely surrounded by water |
| lake | a body of water completely surrounded by land |
| mesa | a high, flat landform rising steeply above the surrounding land. Smaller than a plateau |
| mountain | a high, rounded or pointed landform with steep sides, higher than a hill |
| mountain range | a row or chain of mountains |
| mouth | the place where a river empties into another body of water |
| ocean | one of the earth's four largest bodies of water |
| peak | the pointed top of a mountain or hill |
| peninsula | a body of land nearly surrounded by water |
| plateau | a high flat landform that rises steeply above the surrounding land. Larger than a mesa |
| river | a large stream of water that flows across the land, usually empties into a lake, ocean, or other river |
| tributary | a river or stream that flows into a larger river or stream |
| valley | an area of low land between hills or mountains |
