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Janice VanCleave's Machines: Mind-boggling Experiments You Can Turn Into Science Fair Projects
Janice VanCleave's Machines Mind-boggling Experiments You Can Turn Into Science Fair Projects
Author: Janice VanCleave
How is your forearm like a lever?
  • What makes it easy to pull a flag up a flagpole?
  • How can a windmill help to do work?
Janice VanCleave's Machines includes 20 simple and fun experiments that allow you to discover the answers to these and many other questions, plus dozens of additional suggestions on how to develop your own s...  more »
ISBN-13: 9780471571087
ISBN-10: 0471571083
Publication Date: 2/17/1993
Pages: 96
Reading Level: Ages 9-12
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Publisher: Wiley
Book Type: Paperback
Members Wishing: 0
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