14 terms

Constructive & Destructive Forces Vocabulary Review

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Landforms
A natural land shape or feature, such as mountains, plains, or valleys.
sand dune
A hill of sand, made and shaped by wind
Delta
An area of new land at the mouth of a river, formed from sediments carried by the river
Fault
A break in the earth's crust
Volcano
A mountain that forms as molten rock flows through a crack onto the Earth's surface
Magma
Melted, or molten, rock beneath Earth's surface
Lava
Molten rock that reaches Earth's surface
Earthquake
A movement of the ground caused by a sudden release of energy in the Earth's crust.
Seismograph
A machine that records movement in the Earth's crust
Deposition
Dropping, or depositing, sediment into a new location
Erosion
The process of moving sediment by wind, moving water, or ice
Weathering
The process of wearing away ROCKS by natural means
Dams
A man made structure made to stop the flow of a river
Levees
A wall of earth or concrete built along the banks of a waterway