Your students have definitely seen Elephant Toothpaste before… but this time they’ll ask the question that matters: “What is actually happening—and why does it happen so fast?” 🧪✨ This NGSS phenomenon-based lab turns the classic Elephant Toothpaste demo into a full investigation on catalysts and reaction rates with a strong Notice/Wonder hook, data collection, analysis, and a CER conclusion (Claim–Evidence–Reasoning). It’s the perfect unit introduction for chemical reactions, catalysts/