Earth's Physical Features

a coral reef or string of coral islands that surrounds a lagoon.

shallow, circular body of water between the ocean and a ring-shaped atoll.

body of water partially surrounded by land, usually with a wide mouth to a larger body of water.

deep, narrow valley with steep sides.

bowl-shaped depression formed by a volcanic eruption or impact of a meteorite.

long, narrow ocean inlet between steep slopes.

place where a river or freshwater stream flows into a deep, steep gorge carved by a glacier and filled with seawater.

body of water created by a melting glacier.

mass of ice that moves slowly over land.

shallow body of water that may have an opening to a larger body of water, but is also protected from it by a sandbar or coral reef.

body of water surrounded by land.

material, such as earth, sand, and gravel, transported by a glacier.

lake formed from an abandoned bend in a river.

large stream of flowing fresh water.

mound of sand created by the wind.

large, gently sloping volcano made from fluid lava.

steep volcano made of hardened lava, rock, and ash. Also known as a composite volcano.