How Do You Make A Volcano Out Of Cardboard?
The cardboard volcano is a dramatic way of demonstrating chemical reactions. When vinegar and baking soda combine together, they rapidly release carbon dioxide gas, causing the liquid to bubble up violently. This reaction is dramatic enough on its own, but when it occurs inside a cardboard volcano, it can really make you blow your top! Cut out a circle of cardboard. It should be as wide as you want the base of your volcano to be. Glue a bottle in the middle of the cardboard circle. A bottle with a narrow opening such as a soda bottle will make the lava shoot out more violently, whereas a bottle with a wider opening will just ooze lava out. Cut several strips of cardboard and tape or glue them between the sides of the bottle and the base. Use the strips to make the approximate shape of your volcano. Be sure to leave the mouth of the bottle open. Mix 3 parts water and 1 part white glue in a bowl. This is your paper mache mix. Rip a 2-inch wide strip of newspaper. Dip it in the bowl to we
