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Cool Gravity Activities: Fun Science Projects About Balance
James Hopwood
Library Binding (Checkerboard Library, July 1, 2007)Introduces the scientific method and presents step-by-step instructions for performing experiments dealing with gravity and balance.
R
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Cool Gravity Activities: Fun Science Projects about Balance
James Hopwood
Library Binding (Checkerboard Books, March 15, 1800)Excellent Book
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Cool Gravity Activities: Fun Science Projects about Balance
James Hopwood
Library Binding (Checkerboard Books, March 15, 1656)None