Put Screws to the Test
Put Screws to the Test

Author: Roseann Feldman

Publisher:

Published: 2011-08-01

Total Pages:

ISBN-13: 9780761384007

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What do jar tops and water-bottle lids have in common? Both of them are screws!

Put Screws to the Test
Put Screws to the Test

Author: Roseann Feldmann

Publisher: Lerner Publications ™

Published: 2017-08-01

Total Pages: 41

ISBN-13: 1541504054

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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 don't take our word for it. Put screws to the test with the fun experiments you'll find in this book. As part of the Searchlight BooksTM collection, this series sheds light on a key science question―How Do Simple Machines Work? Hands-on experiments, interesting photos, and useful diagrams will help you find the answer!