| A | B |
|---|
| island | land entirely surrounded by water |
| valley | low land between hills or mountains |
| isthmus | narrow strip of land connecting two larger land areas |
| peninsula | body of land nearly surrounded by water |
| harbor | area of water sheltered by land |
| cape | point of land stretching out into a body of water |
| river | large stream of water flowing through land |
| upstream | direction towards a river's source, opposite of its flow |
| lake | an inland body of water |
| mountain | high rocky land with steep sides and a pointed or rounded top |
| strait | narrow stretch of water connecting two larger bodies of water |
| gulf | part of a sea or ocean that reaches into land |
| bay | part of a body of water that reaches into land |
| delta | land built up by deposits at a river's mouth |
| downstream | direction of a river's flow - toward's its mouth |
| sea | large body of water, usually salt water, partly or completely enclosed by land |
| ocean | one of the four largest bodies of water on the earth |
| source of a river | the place where a river begins |
| mouth of a river | place where a river flows into a larger body of water |
| plain | an area of broad level land |
| continent | one of the seven largest bodies of land on the earth |
