| Word | Definition |
| Peak | a single mountain, or it’s top |
| Pass | a low place, where it is easier to cross the mountains |
| Mountain range | a group of mountains |
| Mountain system | a group of mountain ranges |
| Ridge | the land along to top of two connected mountains |
| Glacier | a huge move mass of ice that flows across the land |
| Mesa | a steep-sided hill that is flat at the top |
| Foothills | hills near the bottom of the mountain |
| Plateau/tableland | a large area of land that is flat at the top |
| Piedmont | a plateau region extending from the foothills to a place where the land drops, also called a fall line |
| Peninsula | an area of land surrounded by water on all sides but one |
| Cape | a point of land that projects out into an ocean or sea |
| Archipelago | a large group of islands |
| Delta | a low, triangular plain |
| Tributary | a river or stream that flows into a larger one |
| Drainage Basin | the land drained by a river |
| Divide | a ridge separating drainage basins |
| Gulf/Bay | a body of water usually connected to an ocean or sea and is partly surrounded by land |
| Inlet | a small bay |
| Fjord | a long, narrow inlet with high, steep banks |
| Strait/Sound | a passage of water connecting two larger bodies of water |
