| A | B |
|---|
| mountain | highest kind of land |
| mountain pass | gap between mountains |
| mountain range | row of mountains |
| mouth of river | place where a river empties into another body of water |
| oasis | area of water and fertile land |
| ocean | body of water, larger than a sea |
| peak | top of a mountain |
| peninsula | land that is almost completely surrounded by water |
| plain | flat land |
| plateau | area of high, flat land with steep sides |
| reef | ridge of sand, rock, or coral that lies at or near the surface of a sea or ocean |
| river | large stream of water that flows across the land |
| riverbank | land along a river |
| savanna | large area of grassland containing scattered trees |
| sea | body of salt water, smaller than an ocean |
| sea level | the level that is even with the surface of an ocean or sea |
| source of river | place where a river or stream begins |
| strait | narrow channel of water connecting two larger bodies of water |
| swamp | area of low, wet land with trees |
| timberline | line on a mountain above which it is too cold for trees to grow |
| tributary | stream or river that empties into a larger river |
| valley | low land between hills or mountains |
| volcano | opening in the Earth, often raised, through which lava, rock, ashes, and gases are forced out |
