The seven lessons in this module introduce students to concepts related to structures, including what a structure is, and where structures are found and used in the natural and manufactured world. Students use the design process to plan and construct their own structures. 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.