30 terms

Landforms

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Mountain
A high, rounded pointed landform with steep sides. It is higher than a hill.
Timberline
An imaginary line on mountains above which trees do not grow.
Valley
An area of low land between hills or mountains.
Plain
A large area of flat land.
Plateau
A high flat landform that rises steeply above the surrounding land.
Mesa
A high, flat landform rising steeply above surrounding land. It is smaller than a plateau.
Volcano
An opening in the earth which lava, rock, gases, and ash are forced out
Isthmus
A narrow strip of land bordered by water that connects by 2 large bodies of land.
Peninsula
A body of land nearly surrounded by water.
Cape
Part of a coastline that projects or juts into an ocean, sea, gulf, bay or lake.
Island
A body of land completely surrounded by water.
Archipelago
A large group or chain of islands.
River
Stream of water that flows across land that empies into a lake or ocean.
Source
The place where a river or stream begins.
Mouth
A place where a river empties into a body of water.
Tributary
A river or stream that flows into a larger river or stream.
Strait
A narrow waterway or channel connecting two 2 bodies of water.
Basin
Land drained by a river.
Delta
Land formed at the mouth of a river by deposits of silt, sand, and pebbles.
Canal
A waterway built by humans to carry water for navigation. It often connects 2 bodies of water.
Lake
A body of water completely surrounded by land.
Sea
A large body of water completely surrounded by land, it is another name for an ocean.
Gulf
Part of an ocean or sea that extends into land.
Ocean
Large body of water. There are 5: Atlantic, Pacific, Indian, Arctic, Antarctic.
Continental shelf
An underwater plateau that surrounds every continent.
trench
Deep cuts in the ocean floor casued by tectonic activity.
glacier
A large sheet of ice.
Fjord
A narrow inlet to the sea bordered by steep cliffs.
atoll
A ring shaped coral island.
lagoon
A shallow body of water partly or completely enclosed by an atoll.