Section #: 17.4 Causes of Plate Motions

Practice Test
      
  1.What is thought to be the driving mechanism of plate movement? SC.D.1.4.2  
  a.   convection currents in the mantle  
  b.   continental drifting  
  c.   conduction of heat in the mantle  
  d.   volcanoes  
  Hint    
      
  2.How are the convection currents set in motion? SC.D.1.4.2  
  a.   the heat from radioactive decay  
  b.   spreading mid-ocean ridges  
  c.   slab push  
  d.   slab push and ridge pull  
  Hint    

 
   
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