Everyone knows the story of How the Grinch Stole Christmas. This science experiment is a fun take on the story and also teaches the kids about kindness. Materials Plastic water bottle Green balloon Baking soda Vinegar Sharpie marker Funnel Explanation When the baking soda mixes with the vinegar, it cases a chemical reaction which releases gas. The gas fills the balloon causing it to expand. Application The Grinch was being very selfish and…