Earthquakes

Practice Test
      
  1.A large ocean wave that is generated by vertical motions of the seafloor during an earthquake is called a(n) __________.  
  a.   seiche  
  b.   tsunami  
  c.   upwelling current  
  d.   tidal range  
      
  2.How are fjords formed?  
  a.   tectonic forces  
  b.   sea level rise  
  c.   longshore current  
  d.   global cooling  
      
  3.What is Earth's core composed of?  
  a.   nickel and silicon  
  b.   iron and nickel  
  c.   magnesium and silicon  
  d.   hydrogen and iron  
      
  4.What are shallow, intermediate, and deep earthquake classifications based on?  
  a.   amplitude of the largest wave  
  b.   the depth of the focus  
  c.   frequency of the largest wave  
  d.   the amount of damage  
      
  5.According to the map, which part of the country would be best to move to in order to avoid high amounts of wind erosion?



 
  a.   the midwest  
  b.   the northeast  
  c.   the northern plains  
  d.   the southeast  
      
  6.Rock fragments thrown into the air during a volcanic eruption are called __________.  
  a.   lava  
  b.   granite  
  c.   tephra  
  d.   extrusive  
      
  7.What breaks mid-ocean ridges into smaller sections?  
  a.   fracture zones  
  b.   abyssal plains  
  c.   shelf breaks  
  d.   submarine canyons  
      
  8.What is the probability of earthquake occurrence based on?  
  a.   strain buildup only  
  b.   magnitude of P-waves  
  c.   reoccurrence rates of earthquakes in an area and the rate of strain buildup  
  d.   location of foci  
      
  9.What does GPS stand for?  
  a.   Geodial Position Satellite  
  b.   Global Positioning System  
  c.   Global Potential Satellite  
  d.   Geographic Positioning System  
      
  10.What are most earthquakes associated with?  
  a.   mid-ocean ridges  
  b.   plate boundaries  
  c.   divergent plate boundaries  
  d.   rift valleys  
      
  11.Where do tectonic plates interact?  
  a.   at plate boundaries  
  b.   at mid-ocean ridges  
  c.   in deep-sea trenches  
  d.   at plate centers  
      
  12.According to the map, a seismic station in which city would be the first to detect seismic waves from an earthquake occurring in Mexico City?



 
  a.   Acapulco  
  b.   Chihuahua  
  c.   Houston  
  d.   Boulder  
      
  13.How are the convection currents set in motion?  
  a.   slab push and ridge pull  
  b.   spreading mid-ocean ridges  
  c.   slab push  
  d.   the heat from radioactive decay  
      
  14.What is thought to be the driving mechanism of plate movement?  
  a.   conduction of heat in the mantle  
  b.   volcanoes  
  c.   continental drifting  
  d.   convection currents in the mantle  
      
  15.The process of collecting data far above Earth's surface is called __________.  
  a.   mapmaking  
  b.   remote sensing  
  c.   electromagnetic sensing  
  d.   topographic studies  
      
  16.What two things does the appearance of a volcano depend on?  
  a.   type of eruption and latitude  
  b.   type of material and viscosity  
  c.   type of material and eruption  
  d.   type of eruption and temperature of the lava  
      
  17.When is wind-transported material deposited?  
  a.   when the wind changes direction  
  b.   when the wind becomes stronger  
  c.   when the particles break apart  
  d.   when the wind slows  
      
  18.Which type of fault results in horizontal shortening?  
  a.   reverse  
  b.   shear  
  c.   normal  
  d.   strike-slip  
      
  19.According to the seismogram shown in the figure, which wave is the fastest?



 
  a.   P-wave  
  b.   S-wave  
  c.   Surface wave  
  d.   Tidal wave  
      
  20.A place where two plates slide laterally past each other is called a __________.  
  a.   mid-ocean ridge  
  b.   convergent boundary  
  c.   transform boundary  
  d.   divergent boundary  

 
   
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