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Chapter 8 Earth Science Quiz
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Multiple Choice Questions
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2 53) The ________ is the site of initial rupturing associated with an earthquake.
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inner
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focus
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iron
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basalt
1 50) ________ is the name of the earthquake-magnitude scale based on the amount of seismic energy released during the event.
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30 times
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Lithosphere
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Asthenosphere
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Richter
1 56) ________ is the layer of warm rock below the crust and uppermost mantle that readily deforms and flows plastically.
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Asthenosphere
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Tsunami
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Liquefaction
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Lithosphere
1 54) What is thought to be the material state (liquid, solid, gas) and elemental composition of Earth's outer core?
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Lithosphere
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peridotite
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Tsunami
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liquid iron
1 55) ________ is the cool, brittle, outer layer of Earth that includes the crust and uppermost mantle.
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Lithosphere
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Asthenosphere
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Tsunami
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liquid iron
1 49) What instrument is used to record earthquake vibrations?
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seismograph
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seismogram
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epicenter
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surface wave
1 52) An earthquake of magnitude 7.5 releases about how much more energy than one of magnitude 5.5?
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30 times
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Asthenosphere
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surface waves
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900 times more
1 51) ________ is another name commonly used by scientists to denote seismic sea waves induced by earthquakes.
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Richter
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Tsunami
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Lithosphere
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Asthenosphere
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Multiple Choice Questions
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