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science ch 11
science ch 11
13
Science
8th Grade
02/29/2012

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Cards

Term
fault
Definition
when rocks break they move along this
Term
earthquake
Definition
vibrations produced by breaking rocks
Term
normal fault
Definition
caused by rock above the fault moving downward in relation to the rock below the fault
Term
REVERSE FAULT
Definition
Term
REVERSE FAULT
Definition
COMPRESSION FORCES SQUEEZE ROCK ABOVE THE FAULT UP AND OVER THE ROCK BELOW THE FAULT
Term
STRIKE SLIP FAULT
Definition
CREATED BY SHEAR FCORCES, ROCKS ON EITHER SIDE OF THE FAULT MOVE PAST EACH OTHER WITHOUT MUCH UPWARD OR DOWNWARD MOTION
Term
SEISMIC
Definition
WAVES GENERATED BY AN EARTHQUAKE CAN MOVE THE GROUND FORWARD AND BACKWRD, UP AND DOWN , AND SIDE TO SIDE
Term
FOCUS
Definition
AN EARTHQUAKES POINT OF ENERGY RELEASE
Term
PRIMARY WAVES
Definition
CAUSE PARTICLES IN ROCKS TO MOVE BACK AND FORTH IN THE SAME DIRECTION THE WVE IS TRAVELING
Term
SECONDARY WAVES
Definition
CAUSE PARTICLES IN ROCK TO MOVE AT RIGHT ANGLES TO THE DIRECTION OF WAVE TRAVEL
Term
SURFACE WAVES
Definition
MOVE ROCK PARTICLES IN A BACKWARD, ROLLING MOTION AND A SIDE WAYS SWAYING MOTION
Term
EPICENTER
Definition
THE POINT ON EARTHS SURFACE DIRECTLY ABOVE THE EARTHQUAKE FOCUS
Term
SEISMOGRAPH
Definition
DEVICE USED TO MEASURE SEISMIC WAVES
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