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Waters vocab 6
Science words
| Question | Answer |
|---|---|
| A large section of the Earth's crust and rigid upper mantle that moves around on the asthenosphere | Plate |
| Fault | Surface along which rock smash when they pass their elastic limit and break |
| Vibrations produced when rocks break along a fault | Earthquake |
| Reverse Fault | Break in rock caused by compressive forces, where rock above the fault moves upward |
| Break in rock caused by tension forces, where rock surface moves down | Normal Fault |
| Stike-slip Fault | Break in rock caused by shear force, and move past eachother |
| Rhythmic movement that carries energy though space and matter | Wave |
| Seismic wave | Wave generately an earthquake |
| in an earthquake the point below earths surface where energy is released | Focus |
| Primary wave | Seismic wave that move back and forth in wave lenghs |
| Seismic wave that moves rock parites at a right angle | Secondry wave |
| Surface wave | Seismic wave that moves rock partiles in a rolling motion |
| Point on earths surface directly above earthquakes focus | Epicenter |
| Seismograph | instrument used to register earthquake wave and record the time that arrived |
| Highest piont of a wave | crest |
| magnitute | measure the energy released during earthquake |
| liquerfaction | occurs when wet soil acts like a liquad |