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chapter6vocabamy
chapter 6 vocab
| Question | Answer |
|---|---|
| plate | a large section of Earth's crust and rigid upper mantle that moves around on the asthenosphere |
| fault | surface which rocks move along when they pass their elastic limit and break |
| earthquake | vibrations produced by the breaking of rock |
| normal fault | rock above the fault surface moves downward |
| reverse fault | break in rock caused by compressive forces where rock above the fault moves upward |
| strike-slip fault | rocks on eather side of the fault are moving past one another without much upward or downward movement |
| wave | rythmic movement that carries energy through matter and space |
| seismic wave | wave generated by an earthquake |
| focus | place during an earthquake where preasure is released |
| primary waves | cause particles in rocks to move back and forth |
| secondary wave | move through earth by causing partcles in rocks to move at right angeles |
| surface waves | moves rock particles in a backwards rolling motion and a side-to-side, swaying, motion |
| epicenter | the point on earths surface directly above the earthquakes focus |
| siesmograph | instument used to measure seismic wave |
| crest | the highest point in a wavebletuywtgr |
| magnitude | emeroi[y76okicx56 l relweade from an eathquak |
| liguefaction | when wat sand, i mean soil, acts like a liquid |
| tsnumi | hude waves c@used bye earthquak |