| A | B |
| mountain | land that rises high above sea level and surrounding land |
| plateau | flat areas that are higher than sea level |
| valley | low land that lie between mountains |
| hill | similar to mountains, but not as high |
| island | areas of land surrounded by water |
| peninsula | area of land surrounded on three sides by water |
| ocean | largest body of salt water |
| gulf or bay | body of water that reaches into the land from an ocean or sea |
| lake | bodies of (fresh) water surrounded on all sides by land |
| river | fresh water flowing from one place to another |
| plain | flat lands that can stretch for hundreds of miles |
| sea level | where the ocean meets the land |
| natural resources | minerals, water, soil, trees, climate |
| tourism | industry that attracts visitors |
| continental divide | point where rivers flow east or west |
| plains | broad, flat, almost treeless land |
| geysers | underground springs that erupt |
| buttes | low, steep, rocky formations, flat on top |
| grazing lands | land off which cattle& sheep feed |
| tributaries | rivers that flow into larger rivers |
| dunes | sand that has piled into mounds by the wind |
| basins | flat lowlands between mountain ranges |