What is erosion? How is igneous rock different from sedimentary rock? What is the greenhouse effect and how does it affect Earth? Introduce second and third grade students to Earth science, space science, and STEM topics with this Spanish 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 Spanish language set include: Desgaste y erosión (Weathering and Erosion); Tiempo extremo (Extreme Weather); Cuerpos de agua (Water Bodies); El ciclo del agua (Water Cycle); Accidentes geográficos (Landforms); Rocas y minerales (Rocks and Minerals); Rastreo del tiempo (Tracking the Weather); Clima (Climate); Las personas y el planeta (People and the Planet); La luna de la Tierra (Earth's Moon).