Science Fun fair Go Back Activity of Experiment 2 views 4:19 Children now we will start our next experiment? Our third experiment needs a bottle ,vinegar, balloon and baking soda. It is about creating gas to fill the balloon. Ok then we will start. Step - 1 Take a bottle and fill it with vinegar Step - 2 Take a balloon and put some baking soda in it.Step - 3 Fit the balloon on the mouth of the bottle. Step –4 lift the balloon so that the soda falls in the bottle. You can see that the balloon starts blowing. This is only due to gas which is formed, when vinegar mixes with baking soda. This gas is carbon dioxide which helps the balloon to blow. So children, I hope you will try all these experiment s at home. Have a nice day. Introduction and Experiment 1 Activity of Experiment 2