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40 pages • missing pub info (view editions)
ISBN/UID: 9780761378709
Format: Paperback
Language: English
Publisher: Lerner Classroom
Edition Pub Date: 01 August 2011
Description
What do bicycles, doorknobs, and screwdrivers have in common? All of them use wheels and axles to perform work Wheels and axles are simple machines. They help us to do jobs more easily. But don't take our word for it. Put wheels and axles to the ...
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40 pages • missing pub info (view editions)
ISBN/UID: 9780761378709
Format: Paperback
Language: English
Publisher: Lerner Classroom
Edition Pub Date: 01 August 2011
Description
What do bicycles, doorknobs, and screwdrivers have in common? All of them use wheels and axles to perform work Wheels and axles are simple machines. They help us to do jobs more easily. But don't take our word for it. Put wheels and axles to the ...