| A | B |
|---|
| mountain | high elevation, steep sides and a summit |
| plateau | a flat-topped highland with steep sides |
| plains | areas of flat land |
| peninsula | land surrounded by water on 3 sides |
| lake | water that is surrounded on all sides by land |
| canyon | a deep, narrow valley with steep sides |
| valley | A low place between mountains |
| cave | a large hole underground or in the side of a mountain |
| hill | a raised area or mound of land |
| delta | low and watery land formed at the mouth of a river |
| island | a piece of land completely surrounded by water |
| volcano | A rupture in the earth’s surface where magma, gas and ash escape |
