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 science fair project.
Learn how an elevator works using a box, string, a paper cup, and some coins; build a bubble machine with cardboard boxes, Styrofoam, and wire; and much more. All experiments use inexpensive materials and involve a minimum of preparation and clean up.
Children ages 8-12
Also available in the Spectacular Science Projects Series:
* Janice VanCleave's Animals
* Janice VanCleave's Earthquakes
* Janice VanCleave's Electricity
* Janice VanCleave's Gravity
* Janice VanCleave's Magnets
* Janice VanCleave's Molecules
* Janice VanCleave's Microscopes and Magnifying Lenses
* Janice VanCleave's Volcanoes
* Janice VanCleave's Weather
Janice VanCleave's Machines: Mind-boggling Experiments You Can Turn Into Science Fair Projects
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Book Details
Author(s)Janice VanCleave
PublisherWiley
ISBN / ASIN0471571083
ISBN-139780471571087
Sales Rank930,262
CategoryJuvenile Nonfiction
MarketplaceUnited States 🇺🇸
Description ▲
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