How Do Seesaws Go Up and Down?: A Book about Simple Machines by Jennifer Shand

How Do Seesaws Go Up and Down?: A Book about Simple Machines

How Do?

Jennifer Shand with Srimalie Bassani (Illustrator)

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nonfiction childrens nature science technology
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Description

Have you ever wondered how seesaws go up and down or how screws stay secure in walls? Beginning concepts of mechanical engineering, including levers, wedges, inclined planes, and more, are explored in this newest engaging addition to the How Do se...

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