Vocabulary of earthquakes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Surface Wave | seismic wave that moves rock particles in a
backward, rolling motion and also in a side-to-side,
swaying motion
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| Primary Wave | seismic wave that causes rock particles to
move back and forth in the same direction that the wave
is traveling
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| Lithosphere | crust plus the rigid, upper mantle
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| Seismic Wave | wave generated by an earthquake
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| Focus | point below Earth’s surface where energy is first released in the form of seismic waves
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| Secondary Wave | seismic wave that moves rock particles at
right angles to the direction of the wave
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| Mercalli | scale used to measure the strength of an earthquake based upon damage.
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| Earthquake | vibrations, or shaking, produced when rocks
break along a fault
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| Epicenter | point on Earth’s surface directly above the
earthquake focus
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| Seismograph | instrument used to register seismic waves
and record the time that each arrived
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| Richter Scale | scale that compares the magnitude of an earthquake recorded by seismographs
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| Core | solid inner most part of Earth's structure, made of solid iron-nickel
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| Crust | rigid, rocky outer surface of Earth
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| Mantle | rocky layer located under the crust. Composed of silicon, oxygen, magnesium, and calcium
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| Mohorovicic Discontinuity | separates the crust and the upper mantle
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| Asthenosphere | the part of upper mantle that is flowing
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Created by:
tdfay
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