What Does a Screwdriver Do?

Curious readers will discover how screwdrivers tighten screws using different kinds of tips. A back matter spread explains how screws are simple machines used to fasten objects together.

About This Book

By: Robin Nelson

Illustrated by:

Published by: Lerner Publications an imprint of Lerner Publishing Group

5-8Age Range

2.7 AR

23Pages

PhysicsSubject

440LLexile

5-20 minsReading Time

IGuided Reading

KFountas & Pinnell

20DRA

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