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lkelly
faults
16
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
next 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 a “liquid” during an earthquake
Term
Tsunami
Definition
large wave caused by an earthquake
Term
Fault
Definition
place where rocks break
Term
Earthquake
Definition
vibrations causes by breaking rock
Term
Normal fault
Definition
found at a divergent boundary
-Plates pull apart
Term
Reverse fault
Definition
found at convergent boundary
-Plates push together
Term
Strike-Slip fault
Definition
found at transform boundary
-Plates slide past each other
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