Who Put the Pop in Pop? Try this experiment about Physical Science and then tell us what you discover!   What You Need: · Baking soda · Vinegar · A ziplock bag Question: Where do the bubbles in soda pop come from? 1.First, put two big spoonfuls of baking soda in a plastic ziplock bag. 2. Then, seal the bag nearly closed. Leave a small opening. 3. Pour about half a cup of vinegar into the bag. Quickly seal the bag closed. 4. Gently shake the mixture. 5. Congratulations Kitchen Chemist! You've just made a gas known as carbon dioxide. A Scientific Explanation When the baking soda and vinegar mix they create a gas known as carbon dioxide. It is carbon dioxide gas that gives soda its pop. Carbon dioxide gas is also what creates the fire-damping foam in some fire extinguishers. Something EXTRA! You can do for fun: Can you explain why carbon dioxide foam would make a good fire extinguisher? Check back soon to see if your response is posted!