| A | B |
|---|
| STREAM | Body of flowing water |
| SWAMP | Wet spongy land often covered by water |
| TUNDRA | Treeless plain in arctic regions |
| VALLEY | Lowlands between mountains or hills |
| VOLCANO | Opening in the Earth which molten rock comes out |
| WATERFALL | Water that falls from a height |
| ZONE | 5 parts of the Earth's surface |
| CONTINENTAL SHELF | Shallow land around a continent that was once land |
| MOUNTAIN RANGE | Group of mountains |
| OCEAN RIDGE | Large rise in the surface under the ocean |
| SOURCE | Beginning of a stream or water |
