Elephant's Toothpaste HD

Day 5 of our #20DaysofDemos event! We decompose hydrogen peroxide with potassium iodide to rapidly produce oxygen gas! The bubbles trap the oxygen gas for a dramatic chemical reaction. Follow @funwithchem on snapchat for behind the scenes action, and support Fun with Chemistry by making a donation to our HornRaiser campaign #chemisfun #hookem https://hornraiser.utexas.edu/