U-X-L science fact finder
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Presents information on a variety of scientific subjects as answers to frequently asked questions.
ScienceQuestions and answersJuvenile literatureMiscellaneaGeneral scienceReference worksScience: General IssuesReference - GeneralJuvenile NonfictionChildren's Books/Ages 9-12 ScienceChildren: Young Adult (Gr. 7-9)Science & Nature - General