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Scientific American, Winning Science Fair Projects, Grades 5-7

by Bob Friedhoffer,Earnie Colon

ISBN 13: 9781596875289

Format: Illustrated (50 pages)
Publisher: iBooks
Published: 01 Dec 2017

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Scientific American, Simple Science Fair Projects, Grades 3-5

by Bob Friedhoffer,Ernie Colon

ISBN 13: 9781596875753

Format: Illustrated (50 pages)
Publisher: iBooks
Published: 03 Jul 2018

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