Practice Test
  1.What are most earthquakes associated with?  
  a.   plate boundaries  
  b.   rift valleys  
  c.   divergent plate boundaries  
  d.   mid-ocean ridges  
  2.__________ causes permanent strain.  
  a.   Tension  
  b.   Compression  
  c.   Elastic deformation  
  d.   Ductile deformation  
  3.According to the graph, what is the approximate depth range of ocean basins?

  a.   1 km to 4 km  
  b.   2 km to 4 km  
  c.   6 km to 8 km  
  d.   8 km to 10 km  
  4.How are dunes classified?  
  a.   climate of location  
  b.   type of particles  
  c.   side  
  d.   shape  
  5.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.   tidal range  
  d.   upwelling current  
  6.Unlike water, wind commonly can __________.  
  a.   move sediment downhill  
  b.   put sediment into suspension  
  c.   move sediment uphill  
  d.   abrade particles  
  7.According to the graph, at what depth does the sea floor start to drop off?

  a.   4 km  
  b.   8 km  
  c.   1 km  
  d.   2 km  
  8.When a divergent plate boundary forms on continents, a __________ forms.  
  a.   mid-continent ridge  
  b.   volcano  
  c.   crater  
  d.   rift valley  
  9.How many satellites are in the GPS?  
  a.   4  
  b.   6  
  c.   50  
  d.   24  
  10.Which wave arrives at a seismic facility first?  
  a.   surface wave  
  b.   S-wave  
  c.   P-wave  
  d.   tidal wave  
  11.What is a pyroclastic flow?  
  a.   poisonous gas of a volcano  
  b.   a mixture of volcanic gas, ash, and other tephra  
  c.   lava that hardens into a batholith  
  d.   when lava comes out of a volcanic vent  
  12.How are the convection currents set in motion?  
  a.   spreading mid-ocean ridges  
  b.   slab push  
  c.   the heat from radioactive decay  
  d.   slab push and ridge pull  
  13.What two things does the appearance of a volcano depend on?  
  a.   type of eruption and temperature of the lava  
  b.   type of eruption and latitude  
  c.   type of material and eruption  
  d.   type of material and viscosity  
  14.What is thought to be the driving mechanism of plate movement?  
  a.   volcanoes  
  b.   convection currents in the mantle  
  c.   conduction of heat in the mantle  
  d.   continental drifting  
  15.How does a Landsat satellite differentiate between objects on Earth's surface?  
  a.   Landsat measures the longest frequencies of electromagnetic radiation from Earth.  
  b.   Features on Earth radiate warmth at different frequencies, which show up as different colors on Landsat images.  
  c.   Landsat satellites take pictures using visible light.  
  d.   Landsat uses a single detector to measure the intensities of energy.  
  16.How many times larger is a magnitude 3 than a magnitude 1 earthquake on the Richter scale?  
  a.   1/10 times  
  b.   100 000 times  
  c.   10 times  
  d.   100 times  
  17.What is a rating from the Richter scale based on?  
  a.   frequency of the waves  
  b.   wavelength of the waves  
  c.   damage from the largest wave  
  d.   size of the largest wave  
  18.Which waves are called body waves?  
  a.   surface waves and S-waves  
  b.   surface waves only  
  c.   P-waves and S-waves  
  d.   P-waves and surface waves  
  19.According to the map, at which latitude and longitude is most likely to experience an earthquake?

Click here for figure

  a.   0 N, 180 W  
  b.   0 N, 30 W  
  c.   30 S, 60 W  
  d.   60 N, 120 E  
  20.What is the process called when one plate is forced beneath another at a convergent plate boundary?  
  a.   convergence  
  b.   transformation  
  c.   subtraction  
  d.   subduction  

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