Chapter 3

10 Questions

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Chapter 3

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Questions and Answers
  • 1. 
    The           is the point within the Earthwhere tectonic plate rocksstart to break and where seismic energy is released.
    • A. 

      Dip

    • B. 

      Epicenter

    • C. 

      Fault plane

    • D. 

      Focus

  • 2. 
    The point on the crust directly above the hypocenter is the               
    • A. 

      Epicenter

    • B. 

      Fault plane

    • C. 

      Focus

    • D. 

      Slip

  • 3. 
    The Ring of Fire is located around the edges of the             
    • A. 

      Eurasian Plate

    • B. 

      Nazca Plate

    • C. 

      Pacific Plate

    • D. 

      South American Plate

  • 4. 
    Which of the following is true about P- and S- waves
    • A. 

      P- waves travel faster than S- waves

    • B. 

      Only P- waves are detected in seismographic stations

    • C. 

      S- waves reach the surface of the Earth faster than P- waves do

    • D. 

      Either of P- or S- waves is required to triangulate the location of the epicenter.

  • 5. 
    The San Andreas Fault is an example of this kind of fault where nearly vertical fault planes slide in parallel but opposite directions.
    • A. 

      Normal fault

    • B. 

      Reverse fault

    • C. 

      Strike-slip fault

    • D. 

      Thrust fault

  • 6. 
    This type of fault is characterized by a downward slipping of a block of rock along the dip angle.
    • A. 

      Normal fault

    • B. 

      Oblique strike-slip fault

    • C. 

      Reverse fault

    • D. 

      Thrust fault

  • 7. 
    Volcanoes are formed as a result of                      
    • A. 

      The thrust faulting of a tectonic plate

    • B. 

      The upwarding of two continental plate

    • C. 

      The divergence of two continental plates

    • D. 

      The subduction of an oceanic plate underneath a continental plate

  • 8. 
    Which of the following is not a safe place to be during an earthquake?
    • A. 

      On high ground

    • B. 

      Under a sturdy table

    • C. 

      Beside glass windows

    • D. 

      Near concrete structures

  • 9. 
    The Marinduque Mountains in the Philippines is an example of a                , whose formation is accompanied by the uplifting of large blocks of crust as a result of the movement of normal faults.
    • A. 

      Erosion mountainrange

    • B. 

      Fault-block mountain range

    • C. 

      Folded mountain range

    • D. 

      Volcanic mountain range

  • 10. 
    This type of mountain range is not formed from the Earth's internal activity, but through rock weathering.
    • A. 

      Dome mountain range

    • B. 

      Erosion-formed mountain range

    • C. 

      Fault-block mountain range

    • D. 

      Folded mountain range