Help your students explore solar energy, heat, sunlight, reflection, absorption, insulation, temperature, testing, data collection, and engineering design with this engaging Create a Solar Oven STEM Challenge resource. Students will design, build, test, and improve a simple solar oven that uses sunlight to warm or melt a small food item. This resource is suitable for Grades 3–5, and it can also support Grade 2 enrichment or Grade 6 review. It works well for STEM challenges, heat energy less