This NO PREP hands-on baking soda and vinegar science experiment is designed for speech therapy, special education classrooms, and AAC users while building core vocabulary, WH- question skills, and early data collection. “Popping Snowmen” is a hands-on winter STEM activity that supports AAC core vocabulary, prediction, reflection, and structured language development in small groups, inclusive classrooms, and therapy sessions. Skills covered: ✅ Core Vocabulary (e.g., put, in, get, more, big,