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Science
Science
18
Geology
6th Grade
03/07/2010
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Term
Force
 Definition
push or pull
Term
Fault
 Definition
crack in the earth
Term
Compression
 Definition
squeezes rock
Term
Shearing
 Definition
Force fo friction
Term
Wave
 Definition
movement of energy
Term
Transverse
 Definition
wave that moves the molecules at a 90 d angle to the direction in which waves travel
Term
P waves
 Definition
longitudal, faster, 1st to arrive
Term
S waves
 Definition
transverse, slower, 2nd
Term
lique faction
 Definition
when the surface of earth behaves like a liquid, because of mixing with ground water
Term
Reverse fault
 Definition
compression
Term
Normal fault
 Definition
tension
Term
anticline
 Definition
mountain
Term
syncline
 Definition
valley
Term
focus
 Definition
rock breaks - underground
Term
epicenter
 Definition
above focus
Term
MMS
 Definition
estimate energy release by a quake
Term
RS
 Definition
based on size of seismic wave
Term
Triangulatin
 Definition
using 3 points of refernce to find a quake
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