Section #: 29.4 Formation of Our Solar System

Practice Test
      
  1.The objects that eventually formed planets by colliding and merging are called __________. SC.E.1.4.2  
  a.   planetesimals  
  b.   solar nebula  
  c.   stars  
  d.   asteroids  
  Hint    
      
  2.Comets are bodies that are __________ that orbit __________. SC.E.1.4.2  
  a.   icy, each planet  
  b.   larger than Earth, Earth  
  c.   helium gas, the Sun  
  d.   ice and rock, the Sun  
  Hint    
      
  3.Where are most asteroids located? SC.E.1.4.2  
  a.   outside of Pluto's orbit  
  b.   orbiting all planets  
  c.   between Earth and Venus  
  d.   between Mars and Jupiter  
  Hint    

 
   
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