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chapter 6 vocab
Question | Answer |
---|---|
a large section of earths crust and ridge upper mantle that moves around on the asthenospher | plate |
surface along which rocks move when they pass their elastic limit and break | fault |
vibrations produced when rocks break along fault | earthquake |
break in rock caued by tension forces, where rock above the fault surface moves upward relative to the rock below the fault surface | reverse fault |
break in rock caused by shear forces, where rocks move past each other with out much vertical movement | strike-slip fault |
break in rock caused by tension force, where rock above the fault surface moves down relative to the rock be | normal fault |
rhythic movement that carries energy through matter and space | wave |
wave generated by earthquake | seismeic wave |
in an earthquake the point below earth's surface where energy is released in the form of seismeic waves | focus |
seismeic waves that moves rock particles back and forth in the same direction that the wave travels | primary waves |
seismeic wave that moves rock participles at right angles to the direction of the wave | secondary waves |
seismeic wave that moves rock particplesuo and down in aback rolling motion and side to side in a swaying motion | surface waves |
the highest point of a wave | crest |
an unusually large sea wave produced by a seaquake or undersea volcanic eruption. | tsunami |
making liquid | liquefaction |