blow up baloons :Take the empty water bottles and pour 2 tablespoons of vinegar. Take a funnel and pour the 1 tablespoon baking soda into each balloon. Carefully take the balloon and pull the end over the top of the water bottle being careful to NOT get any of the baking soda inside the vinegar.
Did you know when vinegar and baking soda combine, a gas forms and the pressure exerted is strong enough to blow up a balloon? Grab a few household items and watch a balloon self-inflate with this cool craft project and science experiment rolled into one!