| Archipelago | A chain or cluster of islands, often volcanic |
| Basin | A large, "bowl-shaped" depression in the earth's surface |
| Bay | Part of an ocean or lake partially enclosed by land. |
| Butte | A raised, flat area of land with steep cliffs, smaller than a mesa. |
| Canyon | A narrow, deep valley with steep sides. |
| Cape | A pointed piece of land extending into an ocean or lake. |
| Cataract | A large, powerful waterfall. |
| Delta | A triangular area of land formed from sand & sediment deposits at the mouth of a river. |
| Dune | A rounded hill, ridge, or mound, usually made of sand. |
| Fjord | A narrow inlet or arm of the sea bordered by steep cliffs, esp. in Norway. |
| Flood Plain | a broad plain on either side of a river, formed where sediment settles during flood |
| Geography | the study of the earth |
| Glacier | a large slow-moving mass of snow and ice |
| Gulf | part of an ocean or sea that extends into the land |
| Harbor | a protected place along a shore where ships can safely anchor |
| Island | a body of land completely surrounded by water |
| Isthmus | a narrow strip of land bordered by water, that connects two larger areas of land |
| Mesa | A wide, flat-topped mountain with steep sides, larger than a butte |
| Oasis | a place in the desert made fertile by a steady supply of water |
| Peak | The pointed top of a mountain or hill |
| Peninsula | A body of land nearly surrounded by water |
| Plain | A large area of flat or nearly flat land |
| Plateau | A broad, flat area of land higher than the surrounding land. |
| Prairie | a large area of grassland |
| Reef | A ridge of sand, rock, or coral that lies at or near the surface of a sea |
| River Mouth | The place where a river empties into another body of water |
| Sea level | The level of the sea's surface used to measure the elevation of other locations |
| Strait | A narrow waterway or channel connecting two larger bodies of water |
| Tributary | A river or stream that flows into a larger river or stream |
| Valley | An area of low land between hills or mountains |
Drag corresponding items onto each other to make them disappear.
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