Continent Archipelago Cape Coast Delta any one of the seven largest land masses surrounded by ocean a group of islands a point of land that extends into an ocean or sea Land next to the sea or ocean the triangle-shaped land at the mouth of river, formed by deposits as the river current meets the still ocean or sea Hill Mountain Isthmus Oasis Peninsula Land and Water Forms: Vocabulary Words a small elevation on the Earth’s surface a large elevation on the Earth’s surface that rises quickly a narrow strip of land connecting two larger pieces of land a fertile spot in the desert usually watered by an underground spring land that juts out into a body of water and is surrounded by water on three sides Plain Plateau Watershed a large, flat area of land, usually with few or no trees a large, elevated piece of land with at least one steep side an area of land that is crisscrossed by smaller waterways that drain into a larger body of water Valley the land between hills or mountains sometimes with a river Canyon a valley with steep walls and a Island Volcano land completely surrounded by Tributary Canal a stream or river that flows into Channel A narrow strip of natural water Land and Water Forms: Vocabulary Words flat bottom, usually cut by a river into the rock water an opening in the earth's crust through which molten lava, ash, and gases are ejected. a larger stream or river a narrow strip of man-made water used for irrigation, navigation, or drainage used for irrigation, navigation, or drainage River Mouth River Source Estuary the point where a river ends and empties into an ocean or sea the point where a river begins, usually in higher elevations a narrow arm of brackish (fresh and salt water mixed) water where the ocean tide meets the river current Gulf a large body of water (larger Harbor an inlet body of deep water Lake Ocean Strait A large body of fresh water Land and Water Forms: Vocabulary Words than a bay) along a curved coastline sheltered from storms used for shipping completely surrounded by land one of the Earth’s four largest bodies of salt water a narrow strip of water connecting two larger bodies of water Sea Bay Sound a large body of salt water surrounded partly or mostly by land small part of a large body of water that extends into the land a long passage of water that connects two larger bodies of water or separating a mainland and an island River Land and Water Forms: Vocabulary Words a large stream of natural origin that flows into another body of water