Section #: 13.2 Severe Weather

Practice Test
      
  1.Violent downdrafts from a thunderstorm that are concentrated in a local area are called __________. SC.D.1.4.1  
  a.   hurricanes  
  b.   tornadoes  
  c.   lightning  
  d.   downbursts  
  Hint    
      
  2.What causes lightning? SC.D.1.4.1  
  a.   condensation of updrafts  
  b.   the expansion and contraction of the air heated by lightning  
  c.   falling precipitation  
  d.   friction between updrafts and downdrafts in a cumulonimbus cloud  
  Hint    
      
  3.What sparks the development of a tornado? SC.D.1.4.1  
  a.   condensation of updrafts  
  b.   strong downbursts  
  c.   large contrast in the temperature of polar and tropical air  
  d.   weak upper-atmospheric currents  
  Hint    
      
  4.What causes thunder? SC.D.1.4.1  
  a.   falling precipitation  
  b.   the expansion and contraction of the air heated by lightning  
  c.   condensation of updrafts  
  d.   friction between updrafts and downdrafts in a cumulonimbus cloud  
  Hint    
      
  5.How hot is the air heated by lightning? SC.D.1.4.1  
  a.   1 000[superscript degrees] C  
  b.   30 000[superscript degrees] C  
  c.   100 000 000 [superscript degrees] C  
  d.   300[superscript degrees] C  
  Hint    

 
   
McGraw-Hill / Glencoe
The McGraw-Hill Companies