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Ninth Grade (Grade 9) Tectonics Questions

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Grade 9 Tectonics
This measures the magnitude of seismic waves.
  1. Focus
  2. Barometer
  3. Thermometer
  4. Richter scale
Grade 9 Tectonics
A landslide can create a tsunami.
  1. True
  2. False
Grade 9 Tectonics
Scientists theorize that the outer core of Earth is liquid. What fact about S waves support that theory?
  1. S waves travel at medium speed.
  2. S waves do moderate damage.
  3. S waves travel on a vertical plane.
  4. S waves travel in solids only.
Grade 9 Tectonics
What is a thrust fault?
  1. any normal fault.
  2. any strike-slip fault.
  3. a strike-slip fault where the angle is less than 55 degrees.
  4. a reverse thrust fault that has a dip of 45 degrees or less.
Grade 9 Tectonics
An earthquake focus is also known as a                .
  1. hypocenter
  2. hypercenter
  3. hydrocenter
  4. hydracenter
Grade 9 Tectonics
P and S are examples of                 waves.
  1. surface
  2. body
  3. Rayleigh
  4. parallel
Grade 9 Tectonics
Shear stress is associated with which fault type?
  1. strike-slip faults
  2. normal faults
  3. reverse faults
  4. all faults
Grade 9 Tectonics
Primary waves are surface waves.
  1. True
  2. False
Grade 9 Tectonics
A volcanic island arc is a chain of volcanic islands
  1. created in subduction zones.
  2. near Italy.
  3. created by Mount Etna.
  4. created in the middle of oceans.
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