social studies

Plateau

Area of flat or rolling land at high elevation

Archipelago

A group of islands

Bay

Part of a large body of water that extends into a shoreline, generally smaller than a gulf

Delta

Flat low-lying land built up from soil carried downstream by a river and deposited at its mouth

Isthmus

Narrow stretch of land connecting two larger land areas

Mouth

place where a stream or river flows into a larger body of water

plain

An area of level land, usually at low elevation and often covered with grasses

Sea

Large body of water completely of partly surrounded by land

Source

Place where a river or stream begins, often in highlands

Peninsula

A body of land jutting into a lake or ocean, surrounded on three sides by water