Practice Test
  1.How are dunes classified?  
  a.   climate of location  
  b.   side  
  c.   shape  
  d.   type of particles  
  2.Which type of fault results in horizontal shortening?  
  a.   shear  
  b.   reverse  
  c.   normal  
  d.   strike-slip  
  3.Which waves are called body waves?  
  a.   P-waves and surface waves  
  b.   surface waves and S-waves  
  c.   P-waves and S-waves  
  d.   surface waves only  
  4.A place where two plates slide laterally past each other is called a __________.  
  a.   convergent boundary  
  b.   transform boundary  
  c.   mid-ocean ridge  
  d.   divergent boundary  
  5.What is a pyroclastic flow?  
  a.   when lava comes out of a volcanic vent  
  b.   a mixture of volcanic gas, ash, and other tephra  
  c.   poisonous gas of a volcano  
  d.   lava that hardens into a batholith  
  6.How are the convection currents set in motion?  
  a.   slab push  
  b.   spreading mid-ocean ridges  
  c.   the heat from radioactive decay  
  d.   slab push and ridge pull  
  7.How are submarine canyons formed?  
  a.   runoff  
  b.   rivers  
  c.   longshore current  
  d.   turbidity currents  
  8.What is a rock called that has been shaped by wind-blown sediments?  
  a.   loess  
  b.   a desert pavement  
  c.   a ventifact  
  d.   a dune  
  9.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  
  10.Which wave arrives at a seismic facility first?  
  a.   S-wave  
  b.   P-wave  
  c.   tidal wave  
  d.   surface wave  
  11.Places where two tectonic plates are moving away from each other are called __________.  
  a.   earthquake boundaries  
  b.   convergent boundaries  
  c.   divergent boundaries  
  d.   transform boundaries  
  12.How does the satellite Topex/Poseidon map ocean features?  
  a.   X rays  
  b.   ultraviolet rays  
  c.   visible light  
  d.   radar  
  13.Volcanoes that form far from plate boundaries form as the result of __________.  
  a.   cinder cones  
  b.   volcanic bombs  
  c.   hot spots  
  d.   divergent plate boundaries  
  14.What are shallow, intermediate, and deep earthquake classifications based on?  
  a.   the amount of damage  
  b.   amplitude of the largest wave  
  c.   frequency of the largest wave  
  d.   the depth of the focus  
  15.__________ are submerged basaltic volcanoes more than 1 km high.  
  a.   Submarine canyons  
  b.   Fracture zones  
  c.   Seamounts  
  d.   Shelf breaks  
  16.According to the map, at which latitude and longitude is most likely to experience an earthquake?

Click here for figure

  a.   30 S, 60 W  
  b.   60 N, 120 E  
  c.   0 N, 180 W  
  d.   0 N, 30 W  
  17.__________ push and pull rocks in the same direction along which the waves are traveling.  
  a.   Surface waves  
  b.   Shear waves  
  c.   Secondary waves  
  d.   Primary waves  
  18.What is a rating for an earthquake from the modified Mercalli scale based on?  
  a.   its P-wave  
  b.   frequency of the waves  
  c.   amount of damage  
  d.   amplitude of the largest wave  
  19.What does GPS stand for?  
  a.   Geodial Position Satellite  
  b.   Global Positioning System  
  c.   Geographic Positioning System  
  d.   Global Potential Satellite  
  20.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  

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