Constructive and Destructive Forces That Change the Earth
Last Modified: 2017-01-10
the place where pieces of the crust move
What are landforms?
What is magma?
Where is the mantle found?
What are plates?
What is a volcano?
What is weathering?
What is the hottest layer of the Earth?
When the waves beat onto a rocky shore, the rocks are weathered, the waves carry the sediment away, then deposit it further down the beach.
Define a constructive force, and give an example.
the land mass gets larger.
Describe what a destructive force is and give an example.
What landform is both constructive and destructive?
How do humans reclaim beaches?
Scientists can also predict when a volcano will be become active because the sides of the volcano will swell and instruments can detect changes when gases are released as the magma begins to rise.
A jetty is used for beach reclamation and is a wall like structure that stick out into the ocean to prevent sand from being carried away.
As longshore currents move along the coasts the jetty traps sand and small rocks.
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