Constructive and Destructive Processes

What is a destructive force?

• a natural process that destroys land
• a natural process that creates land
• a natural process where areas that are normally dry is covered in water

A constructive force is defined as

• a natural occurrence that can build up or break down
• an earthquake or a volcano
• a natural force that builds up and creates new land
• a destructive force that has been controlled

When the material that is worn down is carried away by wind, moving water, ice, living beings or gravity, it is called

• weathering 
• erosion
• deposition

When those materials stop moving and build up somewhere else, it is called

• weathering
• erosion
• deposition

A hill of sand, made and shaped by wind is called a 

• sand dune
• delta
• fault
• volcano

An area of new land at the mouth of a river is called a 

• sand dune
• delta
• fault
• glacier

A shaking of Earth’s surface, caused by movement of rock in the crust, is a(n)

• earthquake
• volcano
• tsunami

A mountain that forms as molten rock flows through a crack into Earth’s surface is called a(n)

• volcano
• earthquake
• hill
• sand dune

 Deposition is a process that

• dissolves sediment.
• breaks down rock to form sediment.
• removes sediment from land forms.
• drops sediment to form landforms.

Where do deltas form?

• desert areas
• at river mouths
• on the banks of rivers
• In Valleys Formed by on glaciers