| A | B |
| archipelago | A group of many islands |
| gulf | A point of land extending into a body of water |
| isthmus | A narrow strip of land with water on both sides, connecting two larger areas of land |
| strait | A narrow, natural , waterway connecting two large bodies of water |
| canal | A man-made waterway dug across land through which ships can pass |
| glacier | A huge mass of ice that moves slowly down a mountain |
| lake | A large body of water completely surrounded by land |
| mountain range | A row of connected mountains |
| peninsula | Land surrounded by water on all sides but one |
| river | A large stream of water that flows into a lake, ocean, or other body of water |
| volcano | An opening in the earth’s surface through which steam, ashes, and lava are forced out |
| bay | Part of an ocean or lake extending into the land and usually smaller than a gulf |
| delta | A triangular deposit of sand and soil that collects at the mouth of some rivers |
| harbor | A sheltered area of water where ships can anchor safely |
| oasis | A fertile place in the desert where there is water and some vegetation |
| tributary | A stream or river that flows into a larger stream or river |
| desert | A dry, barren region that may be sandy and without trees |
| plains | A broad and flat or gently rolling area usually low in elevation |
| valley | Low land between hills or mountains |
| source | The place where a river begins. |
| island | An area of land completely surrounded by water |
| mountain | A landform with high elevation and a pointed or rounded top; higher than a hill |
| mouth | The part of a river where its waters flow into another body of water |