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| 1 | |
The place where an earthquake originates is called the __________.
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| | A) | epicenter |
| | B) | fault line |
| | C) | tsunami |
| | D) | focus |
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| 2 | |
__________ waves produce the most earthquake destruction.
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| | A) | Secondary |
| | B) | Primary |
| | C) | Surface |
| | D) | Tsunami |
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| 3 | |
The __________ of an earthquake is located on Earth's surface directly above the earthquake's origin.
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| | A) | epicenter |
| | B) | focus |
| | C) | seismogram |
| | D) | seismic point |
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| 4 | |
Which type of seismic wave travels the fastest?
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| | A) | primary |
| | B) | tsunami |
| | C) | secondary |
| | D) | surface |
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| 5 | |
A __________ is used to measure seismic waves.
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| | A) | barometer |
| | B) | seismologist |
| | C) | seismogram |
| | D) | seismograph |
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| 6 | |
Readings need to be taken from at least __________ to determine the origin of an earthquake.
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| | A) | three stations |
| | B) | one station |
| | C) | two stations |
| | D) | four stations |
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| 7 | |
Which layer of Earth is plasticlike?
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| | A) | inner core |
| | B) | outer core |
| | C) | upper mantle |
| | D) | crust |
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| 8 | |
Mountains are formed on the __________.
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| | A) | upper mantle |
| | B) | inner core |
| | C) | outer core |
| | D) | crust |
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| 9 | |
In the shadow zone, seismic waves are __________.
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| | A) | not detected |
| | B) | slowing down |
| | C) | disappearing |
| | D) | speeding up |
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| 10 | |
Which wave type can pass through the solid inner core?
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| | A) | secondary |
| | B) | primary |
| | C) | surface |
| | D) | seismic |
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| 11 | |
What happens as seismic waves reach the Mohorovicic discontinuity, or Moho?
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| | A) | They slow down because they are moving to a denser layer. |
| | B) | They speed up because they are moving to a less dense layer. |
| | C) | They speed up because they are moving to a denser layer. |
| | D) | They slow down because they are moving to a less dense area. |
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