science chapter 3.txt

giant waves that may be caused by earthquakes

tsunamis
any trembling or shaking of the earths crust

earthquake
sciencentists who study earthquales

seismologists
the break that appears at the boundary between two moving gasses of rock

fault
the point under the ground where an earthquake begins

focus
the strength of an earthquake

magnitude
the regions of the earths crust where most earthequake faults are found

seismic belts
most earthquakes occure in this region

circum pacific belt
expain
how can the motions of the earths plates cause earthquakes?

the plates rub together

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science chapter 3.txt

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science 3.2

Updated

2012-11-27T23:20:22Z

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