EBOOK
About
This title introduces readers to the study of the physical world. Alongside matter and energy, readers will learn about forces, machines, magnetism, and other fascinating details about how the world works. Features include a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards. Early Encyclopedias is an imprint of Abdo Reference, a division of ABDO. Index Infographics Informative sidebars Table of contents