NIWL developed 25+ classroom-based STEM student activities. These standards-based activities are centered on inquiry-based investigations and hands-on learning and integrate student-centered learning principles, such as collaboration and working in teams. centered on inquiry-based investigations and hands-on learning with collaboration and teamwork. Start by downloading the STEM²D Student Activities Series Overview and then choose any of the activities below, sorting for the topic, language, age, and time you’d like to spend.