Materials:
bottle
balloon
vinegar
baking soda
What to do
1.Get a balloon and pour some vinegar inside the balloon .
2.Next grab the bottle and pour some baking soda into the bottle.
3.Then put the lip of the balloon on top of the bottle.
- Then pout the balloon upside down .
5.Then watch the balloon inflate.
6.The balloon inflated because the vinegar and the baking soda in the balloon and the bottle are mixing together to make a gas.