Winter STEM Mini-Lab | Grades 2–5Help your students explore heat transfer, insulation, and engineering design with this engaging hands-on Winter STEM Mini-Lab! In this challenge, students design and test a shelter that keeps an arctic animal warm using simple classroom materials. Perfect for winter science units, STEM centers, engineering days, or sub plans, this low-prep activity builds real science understanding while keeping students excited and focused. What Students Will Learn How hea