9Kids love activities of all kinds, and activities about light energy are the perfect way to engage them in sometimes hard to understand but crucial curricular concepts, such as light rays, reflection and refraction, and lenses. This captivating volume introduces light topics, clearly explaining the information learners need to know and the facts that will make them say, "Wow!" Then, activities' step-by-step instructions encourage them to review light concepts while completing a related craft, project, or activity, such as creating a sundial, kaleidoscope, and even a kind of microscope! A final quiz allows reader to assess their understanding of light.