| A | B |
|---|
| Bluff | Cliff that borders a river or its floodplain |
| Butte | Isolated hill with sloping sides and a small, flat top, smaller than a mesa |
| Canyon | Deep narrow valley with steep sides |
| Dune | Hill of sand formed by blowing wind |
| Mesa | Raised area with steep sides and a large, flat top, smaller than a plateau |
| Plateau | Flat, steep-sided area of land that is higher than the land around it |
| Valley | Area of low land between mountains or hills |
| Volcano | Mountain with an opening through which lava, gases and ash are released |
| Elevation | Height of any land surface above sea level; same as "altitude" |
