Red-Cabbage Color Magic

Purple changes to pink/red or blue/green. Ask students to predict what will happen. Add indicator to the different liquids. Key idea: Plant pigments change structure and color depending on pH. Ask: Did we add food coloring? Safety and cleanup: No tasting; label cups. https://www.sciencebuddies.org/cdn/Files/17626/8/Experiments-with-Acids-Bases-Carboni-landscape.pdf