You will need juices of different densities, a narrow glass, an eye dropper (or turkey type baster) for the number 12 on our list of cool experiments to do at home with household items. Before you ...

You will need some warm water, a small clean plastic soda bottle, a packet of yeast, 1 tablespoon of sugar, and a small balloon. First, you need to fill the bottle p with bout 1 inch of warm water.