Using Screws
by Sadler, Wendy
Series:Raintree Perspectives · Machines Inside Machines
Misc./Other HistoryScience Books & Films' Best Books for ChildrenEngineeringManufacturingConstruction
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AR Book Level
4.9
AR Points
0.5
Word Count
2,143
Interest Level
Lower Grades (LG K-3)
Genre
Nonfiction
AR Quiz #
88610 EN
About this book
This book describes how screws help squeeze things together, which animal's tooth has the shape of a screw, and when screws help us walk up hills.