8. Exploring The Planets - Earth
   
   http: //nasm.edu/ceps/etp/earth/
   
   
9. Seasons
   Understanding how and why there are seasons on Earth..
   http: //scienceu.com/observatory/articles/seaso...
   
   
10. StarChild: The planet Earth
    
    http: //starchild.gsfc.nasa.gov/docs/StarChild/sola...
    
    
11. StarChild: The planet Earth
    
    http: //starchild.gsfc.nasa.gov/docs/StarChild/sola...
    
    
12. THE EARTH - ENCHANTED LEARNING SOFTWARE
    The Earth is the third planet from the sun in our solar system.
    http: //enchantedlearning.com/subjects/astronom...
    
    
13. The Interior of the Earth
    
    http: //csep10.phys.utk.edu/astr161/lect/earth/inte...
    
    
14. The Solar system/Earth
    
    http: //spaceboy.nasda.go.jp/Db/Utyu/Taiyokei/Taiyo...
    
    

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