The eight lessons in this module introduce students to light sources, and the characteristics of light, such as its ability to travel and reflect. Students investigate translucent, transparent, and opaque materials, and explore the science of shadows. They also examine the evolution of light technology and the design and construction of optical devices.Also included:materials lists activity descriptions questioning techniques activity centre and extension ideas assessment suggestions activity sheets and visuals The module offers a detailed introduction to the Hands-On Science program (guiding principles, implementation guidelines, an overview of the skills that young students use and develop during scientific inquiry), a list of children's books and websites related to the science topics introduced, and a classroom assessment plan with record-keeping templates.