| Term | Definition |
| Northeast region | Appalachian Mountains run through Maine. |
| Northeast region | Mostly hilly and rocky along the Atlantic coast good farmland to the west |
| Southeast region | rich farmland in Arkanasas and Louisiana created by Mississippi and Red Rivers. |
| Southeast region | Mammoth Cave system in Kentyeky |
| Southeast region | Atlantic Coastal plain. |
| Midwest region | Mississippi, Ohio, and Missouri rivers flow through. |
| Midwest region | some rolling hills, such as smoky hills in Kansas. |
| Midwest region | Bordered by four of five Great Lakes. |
| Southwest region | Contains only four states. |
| Southwest region | Home to deserts and canyons. |
| Southwest region | Rocky Mountains in New Mexico and part of Texas. |
| West region | Rich farmland in Arkansas and Louisiana created by Mississippi and Red River. |
| West region | includes Alaska and Hawaii. |
| West region | Fertile, green valleys and heavy forests. |
| West region | Death Valley |