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Changin Earth
Chapter 9 flash cards
10
Science
5th Grade
04/17/2011

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Term
Lithosphere
Definition
The top part of the mantle and the crust form the Lithosphere.
Term
Plate
Definition
A section of the Lthosphere.
Term
Three major kinds of plate boundries.
Definition
Converging (type 1) , Spreading , faults. 
Term
What causes Earthquakes?
Definition
Faults & when plates jerk. stress
Term

How do volcanoes form?

 

Definition
Coliding plate boundries , when the ocean floor reaches suface.
Term
Contructive vs Destuctive
Definition

Contructive = Buliding

Destuctive = Destroying

Term
Two types of weathering
Definition

Chemical = changing of material

Mechanical = Breaking of a rock

Term
Erosion
Definition
Movement of materials away from a place
Term
Wave Erosion. How is the shoreline shaped by it?
Definition
A constant action of waves form the shoreline. Wave scome in then when they go back it pulls rocks and forms a shoreline
Term
Wind Erosion
Definition
Becauses there topsoil will blow away so they cant plant.  They plant rows of tall trees to prevent wind erosion.
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