| A | B |
|---|
| cave | a hollow area in the earth with an opening to the outside |
| bay | a body of water that extends into the land |
| mesa | a raised area with steep sides and a flat top |
| geyser | a spring that spouts hot water and steam from time to time |
| atoll | a ring of coral that encloses a pool of salt water |
| swamp | a low, wet area where trees and shrubs grow |
| channel | a body of water that connects two larger bodies of water |
| lake | an inland body of fresh water |
| plateau | a flat area of land that is higher than the land around it |
| river | a long body of water that flows over land |
| canyon | a deep valley with straight sides |
| ocean | the body of salt water that covers most of the earth |
| sea | a body of salt water that is partly enclosed by land |
| peninsula | an area of land that is nearly surrounded by water |
| prairie | a region of flat or hilly land covered by tall grasses |
| desert | a region of little rainfall where few plants or animals live |
| volcano | a hole in the earth's crust through which lava, gases and ash are released |
| island | a piece of land that is surrounded by water |
| archipelago | a large group of islands |
| delta | a fan shaped deposit of sand and mud at the mouth of a river |
