This simple chemical volcano takes a few minutes to set up and erupts for a few seconds. What if the bottle has been left in the car on a hot day? Make the mix for paper mache. Here’s what you need: – 16 ounce plastic soda bottle – ½ cup of hydrogen peroxide (6% solution, available at beauty supply stores) – 1 tablespoon dry yeast – 3 tablespoons warm water – Dishwashing soap – Food coloring – Safety goggles Small jar or bottle. One way to put a unique spin on this experiment is to disguise the soda bottle as a volcano. Every dollar contributed enables us to keep providing high-quality how-to help to people like you. The ​Mentos and diet soda volcano is similar to the baking soda volcano, except the eruption is really powerful, capable of producing jets of soda several feet high. The eruption happens very quickly, so set things up: you want the open bottle/index card/roll of candies so that as soon as you remove the index card, the candies will drop smoothly into the bottle. Even preschoolers can enjoy the activity by watching. Milk, Food Colouring & Dish Soap Using Vinegar & Bread Soda to Blow Up a Balloon Walking Water Skittles Colour Diffusion How to Make a Lava Lamp Coke & Mentos Experiment Place the cone back over the Diet Coke bottle. It's messy, so you might want to do this project outdoors or in a bathroom. Put the container into the volcano at the top. Make a funnel out of paper by rolling a sheet of paper into a tube just big enough to hold the 7 mentos inside and tape the side so that it won’t come apart. Try to make sure you first layer is even and cover the cone entirely. The easiest way to do this is to stack them in a test tube narrow enough to form a single column. How does this compare to the earlier explosion with normal, whole Mentos? Like with the eruption heights, magma reacts to volatiles and heat like Diet Coke reacts to Mentos and heat, so some assumptions can be made about how a volcano will erupt based on how the Diet Coke erupts.The mechanisms of the correlation between Diet Coke temperature and eruption duration as well as the relationship between the number of Mentos … Mentos candies are heavy enough they sink, so they interact with carbon dioxide all the way to the bottom of the container. Please consider supporting our work with a contribution to wikiHow. Similarly, you could substitute normal soda for diet soda. If you added dish soap, next add baking soda and mix it together. If you’ve ever added Mentos to Diet Coke to see the eruption, this experiment is for you! Fun for scouting, groups and more, a homemade baking soda volcano is the perfect activity for a classic science experiment! If you are an elementary school student, ask an adult for help with this step. 1.1. To make the ‘lava’, put a cup of warm water into the dry volcano and add about six drops of red food coloring then about a teaspoon of dish soap. Adding a surfactant, like Mentos in Coke or soap … wikiHow is where trusted research and expert knowledge come together. Calm down don't need to worry. Retrieved from https://www.thoughtco.com/make-mentos-and-soda-volcano-eruption-605994. One roll of Mentos candies. (You may need a building with a second story window or a fire escape to gauge this). There's a lot of carbon dioxide dissolves in the soda, which gives it its fizz. Experiment: Coca-Cola Mentos Underground And Soap - YouTube Thanks to all authors for creating a page that has been read 53,114 times. They just have to be wide enough and tall enough to hold up the paper when you wrap it in a cone shape. Paper mache tends to hold paint or spray paint well, so these could both be options. If you are performing this experiment for a school project, make sure your surface is portable and can fit into the car or bus that takes you to school. You can also experiment using regular Coke (as opposed to the diet versions) or tonic water (which glows blue under a black light). Do the results of the experiment alter when the bottle of soda has been chilled? Make sure they lie flush against each other so you have no gaps or puckering between the strips. All tip submissions are carefully reviewed before being published. Because there's so much pressure, it all happens very quickly. Vinegar. You can tape the index card together so it retains its circular shape. There are 14 references cited in this article, which can be found at the bottom of the page. A Diet Coke and Mentos eruption (also known as a soda geyser) is a reaction between the carbonated beverage Diet Coke and Mentos mints that causes the beverage to spray out of its container. Have you ever made a true volcano science project before where you build the volcano from scratch? 1. Mentos candies have very small pits in their shells. A Mentos and Diet Coke science experiment for your kids: In this explosive science experiment, you simply place some mentos in coke to create a real wow factor! When you're ready, do it! This will change the texture of the candies' shells. The Mentos and diet soda volcano is similar to the baking soda volcano, except the eruption is really powerful, capable of producing jets of soda several feet high. Make sure the bottom end of the tube is open so the mentos can fall out. Use a sturdy form of glue (like Elmer's) to attach the cardboard to the cone-shaped construction paper. * A clean 16 ounce plastic soda bottle * 1/2 cup 20-volume hydrogen peroxide liquid (20-volume is a 6% solution, ask an adult to get this from a beauty supply store or hair salon) * 1 Tablespoon (one packet) of dry yeast * 3 Tablespoons of warm water * Liquid dish washing soap * … A two-liter bottle of diet soda (diet soda makes for a much better reaction, but you can use regular soda if you like. Each piece doesn't have to be in a cone shape like the paper. Using Diet Coke and Mentos Get a large soda. If you are using a surface like a tray or cutting board, be careful not to draw anything permanent on the surface that could damage it. Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. Add a few tablespoons of salt to prevent the mixture from becoming hardened into a mold. After doubling the "reaction" ingredient the baking soda and vinegar volcano shot up double compared to its first trial. This is experiment is similar to the last one, but it uses the force of the explosion to … It's a great process for elementary-age kids to work on at home or in the classroom. First, you need to stack the candies. The candies catalyze the release of gas from the beverage, which creates an eruption that pushes most of the liquid up and out of the bottle.