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earthquakes
abrecht
21
Science
7th Grade
03/05/2014

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Cards

Term
fault
Definition
place where rocks break
Term
earthquake
Definition
vibrations caused 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 a transform boundary -plates slide past eachother
Term
seismic wave
Definition
pressure waves generated by an earthquake
Term
focus
Definition
point underground where earthquakes begin
Term
epicenter
Definition
point on earths surface right above the focus
Term
primary waves
Definition
fastest type of waves underground
Term
secondary waves
Definition
second fastest wave underground
Term
surface waves
Definition
slowest waves travel on surface cause most damage
Term
seismograph
Definition
instrument used to measure earthquakes size and destructive
Term
magnitude
Definition
strength of earthquake
Term
Richter scale
Definition
measurement of earthquake magnitude
Term
liquefaction
Definition
when the ground acts like a liquid during an earthquake
Term
tsunamis
Definition
large wave caused by an earthquake
Term
A surface wave is the most destructive
True False
Definition
True
Term
Earhtquakes cause?
Definition
tsunamis
Term
Fastes wave
Definition
Primary
Term
type of fault found at a divergent boundary
Definition
normal fault
Term
type of fualt found at a tranform boundary
Definition
strike slip fault
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