Landforms Quiz Flashcards
What is a Volcano?
A volcano is an opening in the earth’s crust through which lava, volcanic ash, and gases escape. Volcanos are also elevated.
What is a Plain?
A plain is a broad area of relatively flat land
What is a Moutain?
A Moutain is a natural rise in the Earth’s surface that slopes steeply to a peak and reaches a higher elevation than a hill.
What is a Valley?
A valley is a long low area often running between hills or mountains and typically containing a river or stream
What is a Plateau
A plateau is a flat, elevated landform that rises sharply above the surrounding area on at least one side.
What is a Desert?
A desert is a vast area of dry land chacterized by a scarcity of water and lack of vegetation.
What is a Delta?
A Delta plain is low-lying land masswhere river empties into a body of water.
What is a Island?
An island is a piece of land smaller than a continent and surrounded by water
How is a mountain formed?
Mountains are formed by the movement of tectonic plates.
How are valleys formed?
valleys are formed by erosion of the land surface by rivers or streams over a very long peorid of time.
How are plateaus formed?
plateaus are formed when Magma deep inside the Earth pushes towards the surface but fails to break through the crust.
How are volcanos made?
Volcanos are formed when the Earth’s plates move together or apart , causing magama to come up to the earth’s surface.
How are deserts formed?
Deserts are formed in area with very little rain due to natural factors like dry air, mountains.
How is Delta formed?
A Delta is formed when arriver slows down and deposits sand , silts , and mud at its mouth where it meets a sea or a lake
How are Island formed?
Islands are formed through volcanic action under the sea floor.