Bring Green Energy to life with 5 low-prep, ready-to-teach STEM challenges! Students don't just read about sustainability—they engineer working models of solar ovens, wind generators, hydropower turbines, classroom-safe biogas systems, and a comprehensive energy-efficient Smart Home capstone project!Move beyond simple worksheets and give your students a hands-on experience in real-world environmental science. Perfect for NGSS alignment, Earth Day, or year-round STEM engineering units for Grades