| A | B |
|---|
| archipelago | a large group or chain of islands |
| bay | part of an ocean, sea, or lake that extends into the land. Usually smaller than a gulf. |
| canal | a waterway built to carry water for navigation or irrigation |
| delta | land formed at the mouth of a river by deposits of silt, sand, and pebbles |
| fjord | a deep, narrow inlet at the base of a mountain range |
| glacier | a large sheet of ice that moves slowly over some land surface or down a valley |
| gulf | part of an ocean or sea that extends into the land, usually larger than a bay |
| island | a body of land completely surrounded by water |
| isthmus | a narrow strip of land bordered by water, that connects two larger bodies of land |
| lake | a body ofwater completely surrounded by land |
| mouth | the place where a river empties into another body of water |
| peninsula | a body of land nearly surrounded by water |
| source | the place where a river or stream begins |
| strait | a narrow waterway or channel connecting two larger bodies of water |
| tributary | a river or stream that flows into a larger river or stream |
| plateau | a high, flat landform that rises steeply above the surrounding land |
| volcano | an opening in the earth through which lava, rock, gases, and ash are forced out |
| valley | an area of low land between hills or mountains |
| reef | a ridge of sand, rock, or coral that lies at or near the surface of a sea |
| desert | a very dry area where few plants grow |
