Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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What are earthquakes caused by?
a. | pressure deep within the earth | c. | the earth’s
rotation | b. | tsunamis and hurricanes |
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2.
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What is the surface of the earth broken up into?
a. | fault plates | c. | tectonic plates | b. | seismic plates |
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3.
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What are the active boundaries where plates meet called?
a. | Rings of Fire | c. | danger zones | b. | faults |
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4.
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Volcanoes, mountains, and trenches are all caused by
a. | activity along faults | c. | earthquakes | b. | human activity |
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5.
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How many main types of seismic waves are there?
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6.
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What are the waves that compress and expand both in liquid and solid
rock?
a. | P waves | c. | Surface waves | b. | S waves |
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7.
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Which waves travel the fastest?
a. | P waves | c. | surface waves | b. | S waves |
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8.
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What kind of motion do S waves produce?
a. | vertical motion | c. | both vertical and horizontal | b. | horizontal
motion |
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9.
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The longest and slowest waves are
a. | S waves | c. | P waves | b. | surface waves |
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10.
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The machine used to measure earthquakes is a
a. | seismograph | c. | an earthquakeometer | b. | a sonar system |
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