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Earthquakes
Lou Baker
20
Science
7th Grade
03/06/2014

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Cards

Term
seismic wave
Definition
pressure wave generated by an earthquake
Term
focus
Definition
point underground where earthquake begins
Term
epicenter
Definition
point on earth's surface right above the focus
Term
primary waves
Definition
fastest, underground
Term
secondary waves
Definition
second fastest, underground
Term
surface waves
Definition
slowest, travel on surface, most destructive
Term
seismograph
Definition
instrument used to measure earthquakes (size and location)
Term
magnitude
Definition
strength of earthquake
Term
Richter scale
Definition
measurement of earthquake magnitude
Term
liquefaction
Definition
when ground acts like liquid during an earthquake
Term
tsunamis
Definition
large wave caused by an earthquake
Term
fault
Definition
place where rock breaks
Term
earthquake
Definition
vibrations caused by breaking rock
Term
normal fault
Definition
found at divergent boundary
Term
reverse fault
Definition
found at convergent boundary
Term
strike-slip fault
Definition
found at transform boundary
Term
3 types of seismic waves
Definition
primary, secondary, surface
Term
t/f during liquefaction the ground acts like a solid
Definition
f it acts like a liquid
Term
tsunamis are caused by tornados t/f
Definition
f caused by earthquakes
Term
t/f Richter scale is measurement of earthquake seismograph
Definition
f measurement of earthquake magnitude
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