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Earthquakes:
(1-13)
13pts total
Record the letter for the correct choice on your scan sheet.
____ 1. Sudden movements of rock along a fault cause ______________.
A. tectonic plate boundaries
B. seismic gaps
C. earthquakes
D. stress
____ 2. Most earthquakes occur _____________.
A. along tectonic plate boundaries
B. near the center of tectonic plates
C. in Earth's mantle
D. in Earth's core
____ 3. Normal faults are the result of stress that _______________.
A. pulls rocks apart
B. pushes rocks together
C. pushes rocks horizontally
D. pulls rocks horizontally
____ 4. The instrument that scientists use to record seismic waves is called a(n) ________________.
A. seismogram
B. seismograph
C. seismic station
D. epicenter scale
____ 5. An earthquake in the ocean floor causes a water wave that is called a(n) ______________
A. aftershock
B. tsunami
C. liquefaction
D. fault
____ 6. Which of the following can scientists usually predict?
A. the earthquake risk of an area
B. the exact minute an earthquake will occur
C. the exact date an earthquake will occur
D. the locations of all future earthquakes
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____ 7. A fault is classified by the
A. number of earthquakes that occur along it
B. type of plate boundary it occurs along
C. directions in which rocks move along it
D. distance that rocks on either side of the fault move
____ 8. The stress that causes strike-slip faults
A. pushes rocks horizontally
B. pushes rocks vertically
C. pulls rocks apart
D. pushes rocks together
___ 9. How many different seismic stations are needed to locate an earthquake’s epicenter?
A.
B.
C.
D.
three
two
one
five
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Use the picture below to answer Questions 10 and 11.
___ 10. What is point B called in this picture?
A. The dip of an earthquake
B. The focus of an earthquake
C. The fault plane of an earthquake
D. The epicenter of an earthquake
___ 11. What is point A on the picture called?
A. The epicenter of an earthquake.
B. The focus of the earthquake.
C. The dip of the earthquake.
D. The scarp of the earthquake.
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Use the picture for question #12
___ 12. What type of fault does the picture above show?
A. Normal
B. Reverse
C. Strike-slip
D. Slide move
__________________________________________________________
Use the picture for question #13
___ 13. What type of fault does the picture above show?
A. Normal
B. Reverse
C. Strike-slip
D. Slide move
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Volcanoes:
(14-20) 7 pts total
____ 14. A dense cloud of super-hot gases and rock fragments that races downhill from an erupting volcano is
called a
A.
B.
C.
D.
pyroclastic flow
steam explosion
cinder eruption
landslide
____ 15. Scientists monitor volcanoes to _____________________.
A.
B.
C.
D.
prevent future eruptions from occurring
predict when future eruptions will occur
prevent gases from escaping through openings in Earth's crust
cool the temperature of the magma rising inside the volcano
____ 16. Which of the three volcanoes have the most violent eruption style?
A. Cinder Cone Volcano
B. Shield Volcano
C. Composite-Strato Volcano
____ 17. Which of the three volcanoes have the least violent eruption style?
A. Cinder Cone Volcano
B. Shield Volcano
C. Composite-Strato Volcano
___ 18. Which answer choice accurately describes the amount of silica and dissolved gases in a composite
volcano?
A. High amounts of silica but low amounts of dissolved gases.
B. High amounts of silica and high amounts of dissolved gases.
C. Low amounts of silica and low amounts of dissolved gases.
D. Middle levels of silica and middle levels of dissolved gases.
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___ 19. Which answer choice accurately describes the amount of silica and dissolved gases in a Cinder cone
volcano?
A. High amounts of silica but low amounts of dissolved gases.
B. High amounts of silica and high amounts of dissolved gases.
C. Low amounts of silica and low amounts of dissolved gases.
D. Middle levels of silica and middle levels of dissolved gases.
___ 20. Which answer choice accurately describes the amount of silica and dissolved gases in a Shield
volcano?
A. High amounts of silica but low amounts of dissolved gases.
B. High amounts of silica and high amounts of dissolved gases.
C. Low amounts of silica and low amounts of dissolved gases.
D. Middle levels of silica and middle levels of dissolved gases
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Seismic Wave (21-33) 12 pts total
Primary Wave 
Secondary Wave 
Surface Wave 
A
B
C
Record the correct seismic wave form the box above, that applies to the
statements below:
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
This wave travels the fastest of the three types.
This type of wave causes the most destruction.
These waves cause buildings to push and pull as they pass.
This wave makes the ground roll up and down.
This wave travels the slowest of the three types.
This type of wave causes material to shake up and down as it travels.
This type of wave pushes and pulls materials as it travels.
These types of seismic waves travel the second fastest of the three types.
These waves only travel through Solids.
These waves travel through Solids, liquids, and gases.
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Use this picture of seismic waves to answer questions # 31, 32, and 33.
___ 31. Which set of waves are probably the Surface Waves?
A. Set A
B. Set B
C. Set C
D. They are all surface waves
___ 32. Which set of waves is probably the Primary Waves?
A. Set A
B. Set B
C. Set C
D. They are all Primary Waves.
___ 33. Which set of waves is probably the Secondary Waves?
A. Set A
B. Set B
C. Set C
D. They are all secondary waves.
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