| A | B |
| tributary | Stream or small river that flows into a larger river or stream |
| bay | Part of a body of water that is aprtly enclosed by land. |
| island | Land that is suurounded by water |
| Prime Meridian | The main line of longitude that cuts the world into the western and eastern hemispheres |
| plateau | Large area of high, flat, or gently rolling land |
| equator | 0 degrees latitude line |
| hill | Area of raised land that is lower and more rounded than a mountain |
| river | Large stream of water that empties into an ocean or a lake or another river. |
| peninsula | Piece of land that is surrounded by water on 3 sides |
| plain | Broad area of fairly level land that is generally close to sea level. |
| lake | Body of water surrounded entirely by land. |