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Levers Lessen the Load

Levers Lessen the Load

Simple Machines for Kids

Have you ever played on a seesaw? You were using a lever! A lever is one of six simple machines that are designed to make different kinds of work easier. Lifting, pulling, pushing—all these tasks are more efficient when you use a simple machine. In Levers Lessen the Load: Simple Machines for Kids, readers ages 5...

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The Sun

The Sun

Shining Star of the Solar System

There are trillions of stars in the universe, but one is particularly important to people on planet Earth—our sun. What’s the sun good for, anyway? Find out as the Universe explains just what makes the sun so important to planet Earth in The Sun: Shining Star of the Solar System. In this nonfiction picture book, children...

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