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Dune
A hill or mound of sand piled up by the wind.
A large cave.
cavern
A large natural stream of water that runs through land.
river
The highest landform on Earth.
Mt. Everest
marshes and swamps are types of:
Wetlands
Delta
A landform created when sediment is deposited where a river flows into an ocean or lake.
a landform with high elevation.
mountain
Island
A piece of land completely surrounded by water.
deep, narrow valley with steep sides.
canyon
This river carved out the Grand Canyon.
Colorado River
A slow moving mass of ice formed by the accumulation of snow.
glacier
A vent or fissure in Earth's surface through which lava and gases are expelled.
Volcano
Boundary between shore and coast.
Coastline
a narrow, gently sloping strip of land that lies along the edge of an ocean or a lake.
beach
A famous wetland in south Florida.
The Everglades
Any natural process that builds up the Earth's surface.
Constructive Force
A depression or hole produced when rock erodes away.
Sinkhole
large region that is higher than the surrounding area and relatively flat.
plateau
single hill or rock formation that rises sharply from a flat landscape, usually in a desert.
butte
a piece of land that is almost entirely surrounded by water but is connected to the mainland on one side.
peninsula
Destructive force
Any natural process that tears down or wears away the Earth's surface.
A body of rock or sediment that stores groundwater and allows for its flow.
A depression in the Earth between hills.
valley
The deepest landform on Earth.
Mariana Trench
any natural feature of the Earth's surface
landform