1.Put the test tube where it will stand upright,fill it with vinegar.
2.Give the balloon a good stretching,like you would if you were about to blow it up.
3.Use the funnel to put the baking soda inside the balloon.Gently shake the bottle until all the baking soda goes to the bottom.
4.Carefully stretch the opening of the balloon until it's completely over the opening of the test tube.
5.Once the balloon is attached to the test tube,lift the rest of the balloon so that the baking soda falls in the vinegar,give it a gentle shake.
6.The balloon will inflate.The vinegar,an acid is creating a chemical reaction with the baking soda.It creates carbonic acid which turns into carbon dioxide.
2.Give the balloon a good stretching,like you would if you were about to blow it up.
3.Use the funnel to put the baking soda inside the balloon.Gently shake the bottle until all the baking soda goes to the bottom.
4.Carefully stretch the opening of the balloon until it's completely over the opening of the test tube.
5.Once the balloon is attached to the test tube,lift the rest of the balloon so that the baking soda falls in the vinegar,give it a gentle shake.
6.The balloon will inflate.The vinegar,an acid is creating a chemical reaction with the baking soda.It creates carbonic acid which turns into carbon dioxide.