Oodles of Ooblek!

You can't read Dr. Seuss without making a little Ooblek.  This mysterious substance made up of cornstarch and water is a solid and a liquid at the same time! If you make it for your classroom, make A LOT. The kids can't get enough of it!

Ooblek Recipe
3 cups room temperature water
green food coloring
5 cups cornstarch
(added one at a time)