Put Screws to the Test Sally M. Walker

ISBN: 9780761353232

Published: August 1st 2011

Hardcover

40 pages


Description

Put Screws to the Test  by  Sally M. Walker

Put Screws to the Test by Sally M. Walker
August 1st 2011 | Hardcover | PDF, EPUB, FB2, DjVu, audiobook, mp3, ZIP | 40 pages | ISBN: 9780761353232 | 8.28 Mb

What do jar tops and water-bottle lids have in common? Both of them are screws! Screws are simple machines. They help us to do jobs more easily. But dont take our word for it. Put screws to the test with the fun experiments youll find in this book.



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