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| 1 | |
The place where an earthquake originates is called the __________.
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| | A) | tsunami |
| | B) | focus |
| | C) | epicenter |
| | D) | fault line |
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| 2 | |
In the shadow zone, seismic waves are __________.
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| | A) | speeding up |
| | B) | not detected |
| | C) | disappearing |
| | D) | slowing down |
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| 3 | |
Earthquakes occur when rocks __________.
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| | A) | break |
| | B) | compress |
| | C) | stretch |
| | D) | bend |
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| 4 | |
Which wave type can pass through the solid inner core?
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| | A) | primary |
| | B) | seismic |
| | C) | secondary |
| | D) | surface |
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| 5 | |
Rocks sliding past each other are a display of __________ forces.
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| | A) | shear |
| | B) | normal |
| | C) | tension |
| | D) | compression |
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| 6 | |
Which layer of Earth is plasticlike?
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| | A) | outer core |
| | B) | upper mantle |
| | C) | crust |
| | D) | inner core |
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| 7 | |
Earthquakes are more likely to occur in __________.
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| | A) | northern Africa |
| | B) | every location equally |
| | C) | western South America |
| | D) | northern Russia |
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| 8 | |
The __________ of an earthquake is located on Earth's surface directly above the earthquake's origin.
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| | A) | seismogram |
| | B) | focus |
| | C) | epicenter |
| | D) | seismic point |
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| 9 | |
One rock surface hanging over an adjacent rock surface might indicate that __________ fault action has occurred.
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| | A) | reverse |
| | B) | normal |
| | C) | strike-slip |
| | D) | compression |
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| 10 | |
Readings need to be taken from at least __________ to determine the origin of an earthquake.
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| | A) | two stations |
| | B) | three stations |
| | C) | four stations |
| | D) | one station |
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| 11 | |
Forces of __________ result in rocks being stretched apart.
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| | A) | normal |
| | B) | shear |
| | C) | tension |
| | D) | compression |
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| 12 | |
A __________ is used to measure seismic waves.
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| | A) | barometer |
| | B) | seismograph |
| | C) | seismogram |
| | D) | seismologist |
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| 13 | |
A person who studies earthquakes is called a(n) __________.
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| | A) | seismologist |
| | B) | astronomer |
| | C) | cartographer |
| | D) | meteorologist |
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| 14 | |
The San Andreas Fault is the largest fault of this kind in California.
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| | A) | compression |
| | B) | strike-slip |
| | C) | reverse |
| | D) | normal |
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| 15 | |
The Mercalli Intensity Scale measures an earthquake's __________.
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| | A) | magnitude |
| | B) | level of destruction |
| | C) | strength |
| | D) | duration |
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| 16 | |
Which type of seismic wave travels the fastest?
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| | A) | surface |
| | B) | primary |
| | C) | tsunami |
| | D) | secondary |
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| 17 | |
Mountains are formed on the __________.
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| | A) | crust |
| | B) | upper mantle |
| | C) | inner core |
| | D) | outer core |
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| 18 | |
__________ faults are formed by forces of tension.
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| | A) | Reverse |
| | B) | Compression |
| | C) | Strike-slip |
| | D) | Normal |
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| 19 | |
A(n) __________ is caused by underwater earthquakes.
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| | A) | tsunami |
| | B) | epicenter |
| | C) | seismogram |
| | D) | Moho |
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| 20 | |
__________ waves produce the most earthquake destruction.
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| | A) | Primary |
| | B) | Secondary |
| | C) | Surface |
| | D) | Tsunami |
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