Everything around us, and even our own bodies, is made of matter. Understanding what matter is made of, its states, and its properties is a crucial part of the physical science curricula in elementary science classrooms. This accessible set introduces readers to the basics of matter, from atoms and compounds to mixtures and solutions. Complete with important vocabulary, simple diagrams, and full-color photographs, each book draws in young scientists looking for an enjoyable way to better understand all that matters about matter. Features include: Directly supports the Next Generation Science Standards for Second Grade: The Structure and Properties of Matter. Colorful diagrams and graphic organizers to aid visual learners. Relatable examples connect science theories to readers' lives.