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changing earth
vocabulary
7
Science
5th Grade
04/13/2011

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Cards

Term
erosion
Definition
movement material away from a new place
Term
plate
Definition
section of lithoshere
Term
three major kinds of plate boundaries
Definition
convergent 2 types, sliding and speading
Term
what causes earthquakes
Definition
plate movement/shaking of earth's surface caused by the release of energy/ pressure along a fault
Term
how do volcanoes form
Definition
As one plate moves beneath another, rock partially melts to become magma. Magma is forced to the surface through a weak spot in the crust.
Term
Constructive vs. Destructive processes in nature
Definition
Destructive destroys and constructive creates new land form (hurricane destorys and volcanoes form new crust)
Term
Wind erosion- How are farmers affected?
Definition
They are affected by wind because they blow away topsoil. Farmers try to prevent windy erosion by planting trees close to the fields and less blowing
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