| A | B |
| archipelago | a sea with many islands; a group of islands |
| atoll | a ring-shaped coral island surrounding a lagoon |
| basin | a depression in the surface of the land; some basins are filled with water |
| bay | a part of a sea or lake that extends into the ocean |
| butte | a small raised area of land with steep sides |
| beach | a sandy shore |
| desert | a dry barren sandy region |
| canyon | a deep narrow valley with steep sides; often has a stream flowing through it |
| cape | a piece of land projecting into the water |
| delta | a triangular shaped plain at the mouth of a riivere, formed when sediment is deposited by flowing water |
| dune | a rounded hill or ridge of drifted sand |
| fjord | where salt water goes back into the land; has steep sides |
| gulf | a large area of ocean reaching into land; a wide, deep chasm |
| glacier | a huge, slow-moving mass of snow and ice |
| hill | an area that rises above surrounding land and has a rounded top; lower and usually less steep than a mountain |
| island | an area of land completely surrounded by water |
| isthmus | a narrow strip of land completely surrounded by water |
| lake | a large inland body of water, usually fresh water |
| lagoon | a shallow lake or pond, esp. one connected with a larger body of water; the water enclosed by a circular coral reef; shallow water separated from the sea by sand dunes |
| mesa | a high, flat-topped landform with clifflike sides; larger than a butte |
| mouth | where a river empties |
| mountain | an area that rises steeply at least 2000 feet (610 m) above surrounding land; usually wide at the bottom and rising to a narrow peak or ridge |
| mountain range | a group or chain of mountains |
| oasis | a fertile place in the desert, due to the presence of water |
| ocean | the body of salt water that covers 71% of the earth's surface |
| peak | the summit of a hill or mountain ending in a point |
| peninsula | an area of land almost completely surrounded by water and connected to the land by an isthmus |
| plain | a large area of flat or gently rolling land |
| plateau | a large flat area that rises above the surrounding land; at least one side has a steep slope |
| reef | a ridge of rock, coral or sand at or near the surface of the water |
| river basin | the area drained by a river and its tributaries |
| river | a stream of water with land on either side |
| sea | any of various smaller bodies of salt water or fresh water |
| source | a spring, etc from which a stream arises; where a river starts |
| strait | a narrow stretch of water that connects two larger bodies of water |
| tributary | a river or stream that flows into a larger river |
| valley | low land lying between hills or mountains |
| volcano | an opening on the earth's surface |
| waterfall | stream from a great height; a steep fall of water |
| absolute location | location using latitude and longitude |
| relative location | doesn't tell exactly, compares location with a landmark's location |
| place | physical and human characteristics of an area |
| region | area of world with common characteristics; climate, economic, and physical aspects |