| A | B |
|---|
| continent | one of the seven large land masses of the earth |
| ocean | the entire body of salt water that covers about 71% of the earth's surface |
| river | a large natural stream of fresh water that flows into a lake or an ocean |
| mountain | a very high piece of land |
| island | a piece of land surrounded by water |
| peninsula | a piece of land surrounded by water on 3 sides |
| cape | a part of the coastline that sticks out into the sea |
| gulf | a large area of sea that is partly surrounded by land |
| delta | an area of land shaped like a triangle, where a river deposits mud, sand or pebbles as it enters the sea |
| valley | an area of low ground between two hills |
| volcano | a mountain with vents through wich molten lava, ash, cinders and gas erupt, sometimes violently |
| desert | a dry, often sandy area where hardly any plants grow because there is so little rain |
| swamp | an area of wet, spongy ground, a marsh |
