What you need:
• Plastic Bottle
• Baking Soda
What you do:
•Using the funnel, add the baking soda to the balloon.
• Pour the vinegar into the bottle.
• Carefully fit the balloon over the bottle opening (be careful not to drop the baking soda into the vinegar yet).
• Once the balloon is fitted snugly on the nozzle, hold up the balloon and allow the baking soda to fall into the vinegar.
• Observe the chemical reaction and effect on the balloon.
• Record observations.