In this activity, you will be able to make glue out of milk! The main ingredient is a protein in milk called casein that you will turn into your own glue, and then test against a commercial glue.

2. Place 1 tablespoon of water in another cup and add 1 tablespoon of Elmer's glue. Stir with a popsicle stick until the glue and water are thoroughly mixed. This is your glue solution. 3. Slowly pour ...