Section #: 13.2 Severe Weather

Practice Test
      
  1.What sparks the development of a tornado?  
  a.   large contrast in the temperature of polar and tropical air  
  b.   weak upper-atmospheric currents  
  c.   strong downbursts  
  d.   condensation of updrafts  
  Hint    
      
  2.How hot is the air heated by lightning?  
  a.   1 000[superscript degrees] C  
  b.   300[superscript degrees] C  
  c.   30 000[superscript degrees] C  
  d.   100 000 000 [superscript degrees] C  
  Hint    
      
  3.What type of thunderstorms are tornadoes associated with?  
  a.   frontal thunderstorms  
  b.   air-mass thunderstorms  
  c.   sea-breeze thunderstorms  
  d.   supercells  
  Hint    
      
  4.Which is NOT a characteristic of the Fujita tornado intensity scale?  
  a.   destruction  
  b.   duration  
  c.   size of funnel cloud  
  d.   wind speed  
  Hint    
      
  5.Thunderstorms that have intense, rotating updrafts are called __________.  
  a.   air-mass thunderstorms  
  b.   downbursts  
  c.   supercells  
  d.   tornadoes  
  Hint    
      
  6.What causes lightning?  
  a.   friction between updrafts and downdrafts in a cumulonimbus cloud  
  b.   the expansion and contraction of the air heated by lightning  
  c.   falling precipitation  
  d.   condensation of updrafts  
  Hint    
      
  7.You encounter a tornado that has a path of destruction 20 miles long that lasted about 30 minutes. Use the table to determine the rank of tornado this is.

Rank Category Path of Destruction Wind Speed (mph) Duration
F0 and F1 Weak up to 3 miles 60-115 1-10 minutes
F2 and F3 Strong 15+ miles 110-205 20 minutes or longer
F4 and F5 Violent 50+ miles more than 200 1 hour or longer


 
  a.   F0  
  b.   F2  
  c.   F4  
  d.   F5  
  Hint    
      
  8.Violent downdrafts from a thunderstorm that are concentrated in a local area are called __________.  
  a.   hurricanes  
  b.   tornadoes  
  c.   lightning  
  d.   downbursts  
  Hint    
      
  9.What causes thunder?  
  a.   falling precipitation  
  b.   friction between updrafts and downdrafts in a cumulonimbus cloud  
  c.   condensation of updrafts  
  d.   the expansion and contraction of the air heated by lightning  
  Hint    
      
  10.This table shows the Fujita Tornado Intensity Scale. According to this table, what causes the damage during a tornado?

Rank Category Path of Destruction Wind Speed (mph) Duration
F0 and F1 Weak up to 3 miles 60-115 1-10 minutes
F2 and F3 Strong 15+ miles 110-205 20 minutes or longer
F4 and F5 Violent 50+ miles more than 200 1 hour or longer


 
  a.   rain  
  b.   hail  
  c.   wind  
  d.   floods  
  Hint    

 
   
McGraw-Hill / Glencoe
The McGraw-Hill Companies