All the most important science topics for kids, from magnets and sound waves to how planes and cars work, are simply explained in this fun and informative illustrated STEM book for children in grades 1 through 6. 

First How Things Work Encyclopedia     covers everything a child needs to know. It follows the curriculum for grades 1 through 6 and provides a strong foundation for science and STEM learning through the rest of the school years. It's the perfect homework help book to support children as they begin to learn about how things work in the world around them.

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