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MR landforms
bodies of water
| Term | Definition |
|---|---|
| island | land completely surrounded by water. |
| bay | a body of water that is partly surrounded by land and that is connected to a larger body of water |
| river mouth | the point where a river enters a lake or sea |
| archipelago | a chain or cluster of islands |
| glacier | a huge, slow-moving mass of ice and snow |
| hill | an area that rises above surrounding land and has a rounded top; lower and usually less steep than a mountain |
| butte | a small, high, flat-topped landform with cliff like sides |
| isthmus | a narrow strip of land that connects two larger areas of land |
| delta | a plain at the mouth of a river, often triangular in shape, formed where sediment is deposited by flowing water |
| lake | a larger body of water surrounded by land |
| tributary | a river or stream that flows into a larger river |
| canyon | a deep, narrow valley with steep sides; often with a stream flowing through it |
| basin | an area that is lower than surrounding land areas; some basins are filled with water |
| mesa | a high, flat-topped landform with cliff-like sides; larger than a butte |
| plain | a large area of flat or gently rolling land |
| mountain | a landform that rises steeply at least 2,000 feet above surrounding land; usually wide at the bottom ad rising to a narrow peak |
| valcano | an opening in Earth's surface through which molten rock, ashes, and gases escape from the interior |
| island | an area of land completely surrounded by water |
| penisla | an area of land almost completely surrounded by water but connected to the mainland |
| strait | a narrow stretch of water that connects two larger bodies of water |
| plateau | a large, flat area that rises above the surrounding land; at least one side has a steep slope |
| river source | where the river originates or begins |
| valley | a low stretch of land between mountains or hills; land that is drained by a river |