| A | B |
|---|
| river | a long body of water that flows over land |
| sea | body of salt water partly enclosed by land |
| sound | long wide ocean inlet |
| strait | narrow body of water that connects to larger bodies of water |
| swamp | a low, wet area where trees and high shrubs grow |
| tundra | a cold dry treeless region where mosses, grasses, and lichens grow |
| valley | an area of low land between mountains or hills |
| volcano | a hole in the earth's crust through which lava, gases, and ash are released |
| waterfall | a stream of water that falls from a high place |
| isthmus | narrow strip of land that connects two larger land masses |
| jungle | an area of thick tangled plants usually near a river or swamp |
| lagoon | a shallow body of water that is partly cut off from the sea |
| lake | an inland body of fresh or salt water |
| marsh | a low, wet area where grasses, rushes, and cattails grow |
| mesa | a raised area with steep flat sides and a flat top |
| mountain | a high area of land with steep sides and a sharp peak |
| ocean | the body of salt water that covers most of the earth |
| peninsula | an area of land that is nearly surrounded by water |
| plain | a large, low area of flat or rolling land with few trees |
| plateau | a flat area of land that is higher than the land around it |
| prairie | a region of flat or hilly land covered by tall grasses |
