A large natural elevation of the earth's surface rising abruptly from the surrounding level; a steep-sided, tall and rugged landform that stretches above the surrounding land.
What is a valley?
A low area of land between hills or mountains, typically with a river or stream flowing through it.
Define plateau.
A flat-topped elevated landform that rises sharply above the surrounding area on at least one side.
What is a plain?
A large area of flat or gently rolling land with few changes in elevation.
Explain what a desert is.
A barren area of land where little precipitation occurs and living conditions are hostile for plant and animal life.
What is a river?
A large natural stream of water flowing in a channel to the sea, a lake, or another such stream.
Define coastline.
The area where land meets the sea or ocean.
Explain what a peninsula is.
A piece of land almost surrounded by water or projecting out into a body of water.
What is an island?
A piece of land surrounded by water.
Define volcano.
A mountain or hill, typically conical, that is formed through the eruption of lava, ash, and gases from a vent in the Earth's crust.
What is a canyon?
A deep gorge, typically with a river flowing through it, as found in the southwestern United States.
Explain what a hill is.
A naturally elevated area of land, smaller than a mountain, with sloping sides and rounded summit.
What is a lake?
A large body of water surrounded by land.
Define fjord.
A narrow inlet of the sea between cliffs or steep slopes.
What is a delta?
A landform created by deposition of sediment carried by a river as the flow leaves its mouth and enters slower-moving or standing water.