The Mark Twain STEM Labs: Alternative Energy Workbook for grades 5–8+ provides teachers, parents, and students with the resources to explore the potential of renewable energy sources while using the scientific method. These fun and meaningful mini labs and inquiry labs challenge students to apply scientific inquiry, content knowledge, and technological design to solve real-world problems. The units are designed to cultivate an interest in the STEM fields of science, technology, engineering, and mathematics, while learning about alternative energy sources. Topics covered are energy, energy sources, electricity, wind energy, solar energy, ocean energy, biomass energy, geothermal energy, hydro energy, and nuclear energy. Mark Twain Media Publishing Company specializes in providing engaging supplemental books and decorative resources to complement middle- and upper-grade classrooms. Designed by leading educators, the product line covers a range of subjects including mathematics, sciences, language arts, social studies, history, government, fine arts, and character.