What is the greenhouse effect? What causes erosion? How is a river different from an ocean? What are rocks made of? Introduce second and third grade students to Earth science, space science, and STEM topics with this intriguing 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 the weather, water bodies, the water cycle, rocks and minerals, 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: Climate, Earth's Moon, Extreme Weather, Landforms, People and the Planet, Rocks and Minerals, Tracking the Weather, Water Bodies, Water Cycle, and Weathering and Erosion.