Book excerpt: Science Lessons & Investigations presents science learning through in-depth investigation and observation, supporting Next Generation Science Standards (NGSS). Each unit guides students through exploring a science concept and includes hands-on activities to extend learning. This robust teaching resource gives you everything you need, including teacher support pages, informational text and graphics, vocabulary review, reading and writing activities, and hands-on science projects. Students apply science, technology, engineering, and math concepts to solve real-world problems. Each of the 15 units focuses on a hands-on challenge in which students work together as engineers to design, prototype, test, and refine their creations. Topics support NGSS. Book jacket.