| A | B |
|---|
| archipelago | a group of many islands |
| bay | a part of an ocean or lake extending into the land, usually smaller than a gulf |
| canal | a waterway dug across land through which ships can pass |
| canyon | a deep, narrow valley with high, steep sides |
| cape | a point of land extending into a body of water |
| channel | a narrow, deep waterway connecting two bodies of water; the deepest part of a river or waterway |
| cliff | a steep slope of rock or soil |
| dam | a wall built across a stream or river to hold back water |
| delta | a triangular deposit of sand and soil that collects at the mouth of some rivers |
| fork | the place where a stream or river joins another river |
| glacier | a huge mass of ice that moves slowly down a mountain |
| gulf | a part of an ocean extending into the land, usually larger than a bay |
| harbor | a sheltered area of water where ships can anchor safely |
| hill | a raised part of the earth's surface with sloping sides, smaller than a mountain |
| iceberg | a large mass of ice floating in the ocean |
| island | an area of land completely surrounded by water |
| mountain | a raised part of the earth's surface with a pointed or rounded top, higher than a hill |
| mouth (of a river) | the part of the river where its waters flow into another body of water |
| ocean | the great body of salt water that covers almost 3/4 of the earth's surface |
| peak | the pointed top of a mountain or hill |
| peninsula | land surrounded by water on all sides except one |
| plain | a broad and flat or gently rolling area, usually low in elevation |
| plateau | a large and flat or gently rolling area high above sea level that may have deep canyons |
| reservoir | a place where water is stored and collected |
| river | a large stream of water that flows into a lake, ocean, or another body of water |
| source (of a river) | the place where a river or stream begins |
| strait | a narrow waterway connecting two large bodies of water |
| tributary | a stream or river that flows into a larger stream or river |
| valley | lowland between hills or mountains |
