In this Chemical Changes & Reactions physical science STEM/STEAM challenge, students explore pH, acid, indicators, and chemical change while creating their own Color-Changing Lemonade! Using simple ingredients, students observe how acids interact with a pH indicator to trigger a visible color change, demonstrating a real-world chemical reaction.Perfect for grades 3–8, this project-based learning activity combines reading, science, engineering, and creativity into one engaging lesson. Students wi