Section #: 29.4 Formation of Our Solar System

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

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