Landforms
Island- a body of land surrounded by water
Volcano- an opening in the earth, usually raised, through which gases and lava escape from the earth's enterior
Cliff- the steep, almost vertical edge of a hill, mountain, or plain
Canyon- a narrow, deep valley with steep sides
Mountain- natural elevation of the earth's surface with steep sides and greater height than a hill
Glacier- a large ice mass that moves slowly down a mountain or over land
Cataract- a step like series of waterfalls
Swamp- a low land region that is saturated with water
Flood Plain- flat land near the edges of a river formed by mud and silt deposited by floods
Delta- a triangular area of land formed from deposits at the mouth of a river
Valley- low land between hills or mountains
Steppe- a wide, treeless grassy plain
Prairie- a large level area of grassland with few or no trees
Mesa- a wide, flat-topped mountain with steep sides, larger than a butte
Plateau- a broad, flat area of land higher than the surrounding land
Oasis- a spot of fertile land in a desert, fed by water from wells or underground springs
River Mouth- the place where a river flows into a lake or an ocean
Straight- a narrow channel connecting two large bodies of water
Cape- a point of land extending into an ocean or lake
Harbor- a sheltered area of water deep enough for docking ships
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
Marsh- soft, wet, low-lying , grassy land that serves as a transition from land to water