Pumpkin Volcano by jbirdmarketing | Apr 24, 2023 Use your Jack-O-Lanterns and fall decor for this simple science experiment. All you’ll need is a hollowed-out pumpkin, vinegar, and baking soda! You may also like Solids, Liquids & Gases Science Soap & Pepper Germs Science Making An Anemometer – Easy Weather for Kids Science 1234»Page 1 of 4