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Geography-landforms
| Term | Definition |
|---|---|
| Volcano | an opening in the earth, usually raised, where gasses and lava escape from the earth's interior. |
| Island | a body of land surrounded by water. |
| Straight | a narrow strip of water connecting two large bodies of water. |
| Swamp | an area of land that is saturated by water. |
| Flood plain | flat land near the edges of rivers formed by mud silt deposited by floods. |
| Delta | a triangular area of land formed from deposits at the mouth of a river. |
| Marsh | soft, wet, low-lying, grassy land that serves as a transition between water and land. |
| river mouth | the place where a river flows into a lake or ocean. |
| harbor | a sheltered area of water, deep enough for docking ships. |
| bay | part of an ocean or lake partially enclosed by land. |
| sea level | level of ocean's surface, used as a reference point when measuring the height of depth of the earth's surface. |
| cape | a pointed piece of land extending into an ocean or lake. |
| butte | a raised, flat area of land with steep cliffs, smaller than a mesa. |
| Oasis | a spot of fertile land in a desert, fed by water from wells |
| desert | a dry area where few plants grow |
| prairie | a large, level area of grassland with few or no trees. |
| steppe | a wide, treeless plain. |
| mountain | natural elevation of the earth's surface with steep sides and greater height than a hill. |
| valley | low land between hills or mountains. |
| glacier | a large ice mass that moves slowly down a mountain or over land. |
| mesa | a wide, flat-topped mountain with steep sides, larger than a butte. |
| cataract | a large powerful waterfall |
| canyon | a narrow, deep valley with steep sides. |
| cliff | a steep, almost vertical edge of a hill, mountain, or plain |
| plateau | a broad, flat area of land higher than the surrounding land. |