| A | B |
| steppe | western Great Plains |
| desert | southwestern U.S. |
| subarctic | southern Alaska |
| tundra | northern Alaska |
| tropical | Hawaii & southern tip of Florida |
| Mexico | forms a land border with the U.S. to the south |
| Cascade Range | Mt. range stretching from Washing to California |
| Canada | forms a border with the U.S. on the north |
| Columbia Plateau | northern most plateau west of the Rocky Mountains |
| Mt. McKinley | tallest Mt. in North America |
| Great Lakes | largest groupo of freshwater lakes in the world |
| Atlantic Coastal Plain | eastern lowlands that stretch from Mass. to Florida |
| Great Basin | plateau where you find the Great Salt Lake |
| Great Plains | landscape that starts on the Western bank of the Mississipppi R. and is 500 miles wide |