Chapter 6 vocab Word Scramble
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Question | Answer |
What is a plate | Large section of earths crust that moves around on the lithosphere |
fault | surface in which rocks move when they pass their elastic limit and break |
earthquake | the vibrations produced by the breaking of rock |
Normal fault | rock above the surface moves downward in relation to rock below the surface |
Reverse fault | break in rock caused by compression forces,where rock above the fault surface moves up relative to the rock below the surface |
strike slip fault | rocks on either side of the fault move past each other without much upward or downward movement |
wave | rythmic movement that carries energy through matter and space |
seismic waves | waves made by eathquakes that travel through earth |
focus | point where energy is first realesed of an earthquake |
Primary waves | cause particles in Earth to move back and forth in the same direction the wave is traveling- staight |
secondary waves | move through Earth by causing particles in rocks to move at right angles to the direction of the wave travel- wave motion |
surface waves | move rock particles backward and side to side- p-waves and s-waves combined |
epicenter | point on Earths surface right above where the earthquake happens. |
seismograph | measures seismic waves |
crest | highest point of a wave |
magnitude | energy released by the earthquake |
liqued faction | shaking of an earthquake to make wet soil |
tsunamis | wave caused by earthquake under water |
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