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More Simple Science Fair Projects
Author: Bob Friedhoffer
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Scientific American, Winning Science Fair Projects, Grades 5-7 (LIB)
Author: Bob Friedhoffer
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Magic and Perception
Author: Bob Friedhoffer
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Physics Lab in a Housewares Store
Author: Bob Friedhoffer
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Toying Around with Science
Author: Bob Friedhoffer
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Scientific American, Simple Science Fair Projects, Grades 3-5
Author: Bob Friedhoffer
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Scientific American, Winning Science Fair Projects, Grades 5-7
Author: Bob Friedhoffer
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Winning Science Fair Projects
Author: Bob Friedhoffer
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Magic Tricks, Science Facts
Author: Bob Friedhoffer
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Physics Lab in a Housewares Store
Author: Bob Friedhoffer
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