| A | B |
|---|
| Plain | Flat Land |
| Plateau | An area with steep sides that is relatively flat on the top. |
| Mountain | A natural elevation of the earth's surface having considerable mass, generally steep sides, and a height greater than that of a hill. |
| Island | A land mass, especially one smaller than a continent, entirely surrounded by water. |
| Peninsula | A piece of land that projects into a body of water. |
| River | A large natural stream of water flowing into an ocean, lake, or other body of water. |
| Bay | A body of water partially enclosed by land but with a wide mouth. |
| Lake | A body of water that is surrounded by land. |
| Oceans | The entire body of salt water that covers more than 70 percent of the earth's surface. |
