Discover the wonderful world of wind energy by conducting the experiments provided in this kit! What is wind power? How does the windmill work? What is wind? You will find answers to these questions and more in the comprehensive 28 page educational.
Build a solar home and do 10 experiments with this complete educational package! Exactly what is solar energy? Exactly how can you make your house comfy throughout winter season as well as summer season in an efficient method? Just how does a solar panel job? Locate the answers to.