Introduce second and third grade students to physical science and STEM topics with this 10-book set. These nonfiction books feature intriguing images, a glossary, an index, and helpful diagrams to keep students engaged in reading as they learn important scientific topics such as gravity, forces, kinetic energy, matter, electromagnetism, and more. Each 32-page book includes a fun science activity that meets Next Generation Science Standards and helps students apply what they've learned. Titles in this set include: The Nature of Matter, Forces, Energy, Friction, Motion, Changing Matter, Energy in Action, Gravity, Electromagnetism, Balanced and Unbalanced Forces.