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Barnett- Earthquakes Word Scramble

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Question	Answer
focus	point within Earth where the earthquake starts
epicenter	location on the surface directly above the focus
fault	fractures in the Earth where movement has occurred
aftershock	movement that follows a major earthquake
seismograph	instrument that records earthquake waves
surface waves	seismic waves that travel along Earth's outer layer
body waves	waves that travel through Earth's interior; include primary and secondary waves
primary wave	fastest body wave; compressional
secondary wave	slower than a primary wave; move particles perpendicular to the direction of wave
moment magnitude	measurement for earthquakes used by scientists; estimates the energy released by earthquakes
Richter Scale	magnitude scale based on the amplitude of the largest seismic wave; used in most news reports
tsunami	Japanese word for seismic sea wave
intensity	measure of damage to the surface and effects on humans
three	number of seismic stations required to locate an epicenter
foreshocks	small earthquakes that preceed a major earthquake