This "iodine clock" experiment is so cool, we feel cheated that we never got to do it in high school chemistry lab. But it turns out the popular experiment is so simple to do — involving only a ...

Experimental: Create your own iodine clock reaction in 12 easy steps. AOL.com Editors. Updated October 15, 2020 at 9:26 PM. Copied; ... Tincture of Iodine 2%. Measuring Spoons. Warm Water.