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The Usborne Book of How Things Work
The Usborne Book of How Things Work
Author: Martyn Bramwell, David Mostyn (Illustrator)
What do a clock, a car engine, and an eggbeater have in common? All three use gears to create motion. Curious kids can read the text, study the illustrated pictures and diagrams, and even build their own set of gears to figure out why gears are so useful and why the number of teeth is important. Many more simple machines are examined as well, wi...  more »
ISBN-13: 9780746004159
ISBN-10: 074600415X
Publication Date: 9/1994
Pages: 38
Reading Level: Ages 9-12
Rating:
  • Currently 3/5 Stars.
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3 stars, based on 3 ratings
Publisher: E.D.C. Publishing
Book Type: Paperback
Members Wishing: 0
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