Practice Test
  1.What type of volcano forms from alternating layers of tephra and nonexplosive lava?  
  a.   composite volcano  
  b.   shield volcano  
  c.   caldera  
  d.   cinder cone  
  2.What does the straight part of a stress-strain graph portray?  
  a.   elastic deformation  
  b.   shearing direction  
  c.   ductile deformation  
  d.   failure  
  3.What is a rating from the Richter scale based on?  
  a.   damage from the largest wave  
  b.   wavelength of the waves  
  c.   frequency of the waves  
  d.   size of the largest wave  
  4.The __________ side of a dune is called the __________ side and is located on the side from which the wind blows.  
  a.   gentle-sloped, leeward  
  b.   gentle-sloped, windward  
  c.   steep-sloped, windward  
  d.   steep-sloped, leeward  
  5.What is thought to be the driving mechanism of plate movement?  
  a.   continental drifting  
  b.   convection currents in the mantle  
  c.   conduction of heat in the mantle  
  d.   volcanoes  
  6.The lowering of the land surface due to wind removing particles is called __________.  
  a.   deflation  
  b.   erosion  
  c.   abrasion  
  d.   saltation  
  7.Why does knowledge of Earth's interior come from seismic waves?  
  a.   They change speed only when they encounter different materials.  
  b.   They change speed and direction when they encounter different materials.  
  c.   They change direction and intensity when they encounter different material.  
  d.   They change type when they encounter different materials.  
  8.How are the convection currents set in motion?  
  a.   slab push  
  b.   slab push and ridge pull  
  c.   spreading mid-ocean ridges  
  d.   the heat from radioactive decay  
  9.When a divergent plate boundary forms on continents, a __________ forms.  
  a.   crater  
  b.   mid-continent ridge  
  c.   rift valley  
  d.   volcano  
  10.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.   30 S, 60 W  
  c.   0 N, 30 W  
  d.   60 N, 120 E  
  11.How does the satellite Topex/Poseidon map ocean features?  
  a.   ultraviolet rays  
  b.   visible light  
  c.   X rays  
  d.   radar  
  12.A place where two plates slide laterally past each other is called a __________.  
  a.   divergent boundary  
  b.   convergent boundary  
  c.   mid-ocean ridge  
  d.   transform boundary  
  13.How are fjords formed?  
  a.   tectonic forces  
  b.   sea level rise  
  c.   longshore current  
  d.   global cooling  
  14.What is the probability of earthquake occurrence based on?  
  a.   magnitude of P-waves  
  b.   location of foci  
  c.   reoccurrence rates of earthquakes in an area and the rate of strain buildup  
  d.   strain buildup only  
  15.What breaks mid-ocean ridges into smaller sections?  
  a.   submarine canyons  
  b.   abyssal plains  
  c.   shelf breaks  
  d.   fracture zones  
  16.What is the crustal part of the lithosphere primarily composed of?  
  a.   simple oxides  
  b.   igneous rocks  
  c.   peridotite  
  d.   iron and nickel  
  17.What does GPS stand for?  
  a.   Geographic Positioning System  
  b.   Global Positioning System  
  c.   Global Potential Satellite  
  d.   Geodial Position Satellite  
  18.What are shallow, intermediate, and deep earthquake classifications based on?  
  a.   the depth of the focus  
  b.   frequency of the largest wave  
  c.   amplitude of the largest wave  
  d.   the amount of damage  
  19.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 Rainier  
  c.   Mount Hood  
  d.   Mount Shasta  
  20.At what point in the graph would a rock be permanently deformed?

  a.   at the start of the stress  
  b.   at the failure point  
  c.   at the elastic limit  
  d.   past the elastic limit  

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