Earthquakes

Practice Test
      
  1.What does GPS stand for?  
  a.   Geodial Position Satellite  
  b.   Geographic Positioning System  
  c.   Global Potential Satellite  
  d.   Global Positioning System  
      
  2.According to the figure, where is an earthquake's focus most likely to occur?



 
  a.   in the middle of the Pacific Ocean  
  b.   in northern Eurasia  
  c.   near the south pole  
  d.   along the west coast of North America  
      
  3.What is a rating from the Richter scale based on?  
  a.   frequency of the waves  
  b.   damage from the largest wave  
  c.   size of the largest wave  
  d.   wavelength of the waves  
      
  4.What is the electromagnetic spectrum?  
  a.   energy emitted from Earth  
  b.   visible light  
  c.   frequencies measured by satellites  
  d.   the arrangement of electromagnetic radiation  
      
  5.What is thought to be the driving mechanism of plate movement?  
  a.   volcanoes  
  b.   convection currents in the mantle  
  c.   continental drifting  
  d.   conduction of heat in the mantle  
      
  6.The table shows how many eruptions were experienced by volcanoes in the past 100,000 years. Which volcano is the least likely to experience a huge eruption in present day?

Feature State Late Pleistocene Holocene
Huge Huge Large Medium Small
Mount Baker WA       1 3
Glacier Peak WA     2   7
Mount Rainier WA 1     1 10
Mount St. Helens WA       7  
Mount Adams WA         4
Mount Hood OR         3
Mount Jefferson OR 1        
Three Sisters OR     2   2
Newberry Caldera OR     1 3  
Crater Lake OR   1 2    
Medicine Lake CA       8 8
Mount Shasta CA 1   2   10
Lassen Peak CA 4   1   2
Total   7 1 10 20 49


 
  a.   Lassen Peak  
  b.   Mount Shasta  
  c.   Mount Rainier  
  d.   Mount Hood  
      
  7.Unlike water, wind commonly can __________.  
  a.   move sediment uphill  
  b.   move sediment downhill  
  c.   abrade particles  
  d.   put sediment into suspension  
      
  8.What are shallow, intermediate, and deep earthquake classifications based on?  
  a.   frequency of the largest wave  
  b.   the amount of damage  
  c.   the depth of the focus  
  d.   amplitude of the largest wave  
      
  9.How are the convection currents set in motion?  
  a.   spreading mid-ocean ridges  
  b.   slab push and ridge pull  
  c.   the heat from radioactive decay  
  d.   slab push  
      
  10.Which type of fault results in horizontal shortening?  
  a.   reverse  
  b.   strike-slip  
  c.   shear  
  d.   normal  
      
  11.According to the map, at which latitude and longitude is most likely to experience an earthquake?

Click here for figure

 
  a.   0 N, 30 W  
  b.   0 N, 180 W  
  c.   30 S, 60 W  
  d.   60 N, 120 E  
      
  12.How are dunes classified?  
  a.   type of particles  
  b.   shape  
  c.   climate of location  
  d.   side  
      
  13.What is the process called when one plate is forced beneath another at a convergent plate boundary?  
  a.   subtraction  
  b.   subduction  
  c.   transformation  
  d.   convergence  
      
  14.What is Earth's core composed of?  
  a.   nickel and silicon  
  b.   hydrogen and iron  
  c.   iron and nickel  
  d.   magnesium and silicon  
      
  15.What is the probability of earthquake occurrence based on?  
  a.   location of foci  
  b.   reoccurrence rates of earthquakes in an area and the rate of strain buildup  
  c.   magnitude of P-waves  
  d.   strain buildup only  
      
  16.What is the shallowest part of the continental margin called?  
  a.   the continental rise  
  b.   the continental shelf  
  c.   the shelf break  
  d.   a submarine canyon  
      
  17.What are most earthquakes associated with?  
  a.   mid-ocean ridges  
  b.   divergent plate boundaries  
  c.   rift valleys  
  d.   plate boundaries  
      
  18.What type of instrument can measure the vibrations of an earthquake?  
  a.   seismograph  
  b.   seismometer  
  c.   sonar  
  d.   GPS  
      
  19.Rock fragments thrown into the air during a volcanic eruption are called __________.  
  a.   tephra  
  b.   granite  
  c.   extrusive  
  d.   lava  
      
  20.How are submarine canyons formed?  
  a.   rivers  
  b.   longshore current  
  c.   turbidity currents  
  d.   runoff  

 
   
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