References. Drink as much Diet Coke as possible and then eat a few Mentos. You do not want the eruption to fire prematurely and make a mess…trust me I have learned this part from experience! When you drop a Mentos into the soda, tiny bumps on the candy surface give the carbon dioxide molecules a nucleation site or place to stick. Add about a spoonful of dish soap. Systm is the Do-It-Yourself show designed for the common geek who wants to quickly and easily learn how to dive into the latest and hottest tech projects. The first part of this video demonstrates a simple geyser, and the second part shows just how extreme it can get. She has conducted survey work for marine spatial planning projects in the Caribbean and provided research support as a graduate fellow for the Sustainable Fisheries Group. If you’re working with scrap material, consider decorating the base to look like a flat landscape. Thanks to all authors for creating a page that has been read 52,367 times. Whatever method you decide to use, make sure to put the toothpick in near the bottom of the geyser tube and just above where the tube connects into the bottle. To make this geyser tube you will need to grab a piece of construction paper or card stock. But you will at least need an empty bottle. ", "It helped me for my science project. Now, try and screw a cap on it for the perfect prank. Once you have either inserted the tube on the inside of the opening of the bottle or slid the tube over the opening, go ahead and securely attach the tube to the bottle with electrical tape or duct tape. Set the card and the tube with the Mentos inside on top of the open mouth of the bottle, making sure the opening of the tube lines up with the mouth of the bottle. As you quickly pull the toothpick out from the geyser tube it will allow the Mentos to drop into the soda and you will almost instantly see your Coke and Mentos Volcano erupt into a brilliant brown fountain! If using the funnel, drop all the Mentos into the funnel at the same time. Thanks to all authors for creating a page that has been read 870,755 times. The good news is that as long as you don’t mind a little mint flavor in your drink, or a flat soda…then you can pour the remaining soda into a glass and enjoy a little post-experiment refreshment too! Another factor that helps the eruption happen with even more force is the fact that the Mentos are denser than the liquid soda and they sink to the bottom. A 3-liter bottle results in about a 6-inch tall fountain and a 1-liter bottle it will just foam over the top. Your email address will not be published. Poke a toothpick into the lower part of the geyser tube just above the opening of the bottle. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/3a\/Make-a-Soda-Bottle-Volcano-Step-5-Version-3.jpg\/v4-460px-Make-a-Soda-Bottle-Volcano-Step-5-Version-3.jpg","bigUrl":"\/images\/thumb\/3\/3a\/Make-a-Soda-Bottle-Volcano-Step-5-Version-3.jpg\/aid39011-v4-728px-Make-a-Soda-Bottle-Volcano-Step-5-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"