Holding a door open / Schuh, Mari C.

Author:

ISBN13: 
9781467780254
Compare Title: 
holdingadooropenwedgevswheelsandaxles
Call Number: 
621.8

Holding a door open

wedge vs. wheels and axles
  • Schuh, Mari C.
2016
"Is it easier to lift toys with a wheel and axle or a wedge? Readers will learn about how simple machines work in this book for early readers"--Provided by publisher.
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