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.

but change the amount of water you add to make the glue solution. Do not add water to the glue. Use only 1 tablespoon of glue to make the glue solution. Add two tablespoons of water to 1 tablespoon of ...

However, this is a great application of the scientific method. Intuitively, adding some glue ought to make parts better, right? Testing like this shows that it doesn’t in this particular ...