Reading Level: Grades 3-5

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  Engineering for Space Disasters

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  Engineering for Tornadoes

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  Engineering the Human Body
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  Establishing the American Colonies

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  Establishing the Judicial Branch

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  Establishing the Legislative Branch

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  Ethiopia

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  Everyday Inventions Inspired by Nature

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  Exoskeletons

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  Expansion of our Nation
  (Set of 8)
  

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  Extra Senses

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  Famine Weed

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