Water, jar, dish soap= tornado in a jar. Pinner: Used a baby food jar and this didn't really work. Used a prego jar and filled with water to about an inch from the top and added a couple drops of dish soap. Fun to see the Tornado.
Indoor Activities for Kids: Homemade Lava Lamps. Vegetable oil, a about of the water bottle, then water. 10 drops of food coloring. Then take a alkaseltzer tab and break it into 4 pieces. Drop one in at a time and wait for each to dissove!