Place the index card over one end of the tube and invert it. This article published by chemmatters, a branch of the american chemical society, refers to the explanation and reasoning behind the famed diet coke and mentos experiment. Mentos geyser experiment experiments steve spangler science. They dropped six mentos candies into a twoliter bottle of diet coke, only to witness a geyserlike reaction. So with mentos, you can pack a lot more surface area, or nucleation sites, into a very small space. Also, since mentos are heavy, the sink to the bottom and react with the soda all the way down. In the diet coke bottle the mentos candy provides a rough surface that allows the bonds between the carbon dioxide gas and water to break more easily, helping to create carbon dioxide bubbles.
The book is awesome at giving you both detailed instructions and yet giving kids lots of chances to form a hypothesis of their own and add on to the basic experiments. Perhaps youll see that finding god is like a mentos and diet coke experiment when you consider the facts. In the 1990s, the size of the mint candies was increased, so they no longer fit in soda bottle mouths. Two of the sources will be from the internet, one source will be from a book, and one source will be from an encyclopedia. Drop mentos into a bottle of diet soda and stand back as a geyser erupts. One factor that may affect the size of the mentos and diet coke eruption is how quickly the mentos candies sink in the soda. Add to this the fact that the surface of a mentos is textured. The diet coke and mentos experiment was a blast literally.
There was another version of the challenge that i saw about ten years ago when my nephew and his fr. I have listed four sources of information about the physical reaction. I would advice against trying this, as the pressure that these two substances create can be quite powerful. Does the mentos and soda trick work with regular coke. The diet coke and mentos eruption is a classic science demonstration. Coke zero and mentos lab free download as pdf file. To make a diet coke and mentos rocket, start by sandwiching 5 stacked mentos between 2 4inch strips of masking tape.
The diet coke and mentos soda geyser experiment has become a classic with steve spangler making it super popular. First, lets examine what happens when you add a package of mentos to a 2. These tiny pits create a larger surface area and essentially provide many more nucleation sites. For the mentosdiet coke reaction, the carbonic acid and carbon dioxide are not products of a chemical reaction but are already present in the diet coke, whose equilibrium is disturbed by the.
Read the experiment below or scroll allllll the way to. Read the experiment below or scroll allllll the way to the bottom to get the printable version. In fact, its not really a reaction at all or at least its a physical reaction rather than a chemical one. These are the sources and citations used to research coke and mentos experiment. In fact, it was so much fun that i wrote up our experiment, created observation and tracking sheets, and have uploaded them all for you to usefor free. Then, wrap a 3inch strip of tape stickyside out around your finger to. But the amazing eruption that takes place when mentos are dropped into diet coke or other brands of diet soda pop is not a chemical reaction at. What keeps up more intrigued is that scientists still dont have a definitive. Dropping any object into the diet coke bottle will produce a smaller version of the effect but mentos produce a spectacular eruption. Carbonated drinks get their fizz from dissolved carbon dioxide, which is pumped into the bottles at high pressure to make it dissolve. The carbon dioxide in the soda comes out of solution very suddenly, shooting up into the sky and drenching anyone within range with soda. Place it on a flat area outside where it is ok to get wet with soda.
Slowly and carefully open a new bottle of diet coke. For those unfamiliar with this particular experiment, it involves taking mentos candies a chewy mint and 1 2l diet soda specifically diet coke, and dropping the mentos into the soda. Put the open end of your tube of mentos on the card and place it directly over the opening of the soda bottle. Set the card and the tube with the mentos inside on top of the open mouth of the bottle, making sure the opening of. Combine diet coke and mentos, and the result is explosivediet coke shoots out of the bottle like a miniature, sticky old faithful. He even has geyser tubes specifically designed to help release the mentos candy into the soda. Finding god is like a mentos and diet coke experiment. Look him up and try some cool stuff with your kids. Buckfield the two maine men famous for creating fountains of foam using diet coke and mentos candies have a new book. Needle and thread 2 litre diet cokeand a mentofirst thread the needlethis is.
Diet coke and mentos image by darren slover sun journal. Made popular by steve spangler, this experiment is a lot of fun and sure to amaze your friends and family assuming you do it outside rather than in the living room. Mentos geyser experiment experiments steve spangler. It had candy, it had explosions, it had mess that could be easily hosed away. The powerful reaction caused when mentos and coke zero are combined is not chemical, but physical.
The basic science of the coke and mentos reaction is fairly straightforward. While the original mentos was tickling the taste buds of the king of nepal, new varieties were introduced. For fun, they shot a video in one take of choreographed fountains using 101 bottles of soda and 524 candy pieces and released it on june 3, 2006. Youll want to purchase three bottles of diet coke and two rolls of mentos. This is a lab that i use for my particle theory unit for my 6th grade key stage 7 students.
Place one bottle of diet coke in the refrigerator and let it sit overnight. Usually, the trick is done using diet soda, especially diet coke or another cola, however, the main reason for this is because diet drinks are less stickyeasier to clean up than other sodas. Difference between chemical change and physical change, evidence for chemical changes, p. After that, it just coasts on the momentum created.
This book said that the physical reaction happens when the two materials the diet coke and mentos will mix together to make the physical reaction happen. Carbon dioxide is the chemical compound that consists of two oxygen atoms bonded to a carbon atom. Scientists arent sure exactly why the mentos cause such an explosive reaction, but they think that the sweetener and other chemicals in the mentos react with the diet coke to cause lots of carbon dioxide bubbles to form on the surface of the mints very quickly. Mentos diet coke geyser drop mentos into a bottle of soda and run away from the 20 foot geyser coke and mentos geyser fun science. Read more about mentos and diet soda experiment with free. This experiment is fun and exciting and really hooks students and adults interest into the science behind it.
My experiment is the diet coke and mentos physical reaction. Because a mentos candy is relatively dense, meaning that its particles are very tightly compacted together, it sinks relatively quickly in the soda. Diet coke and mentos eruption reekos mad scientist lab. Plus, it keeps you from getting showered with diet coke. In the us, mentos lovers got to try cinnamon and menthol, while european addicts were presented with fruit flavored mints. It does and excellent job of relating temperature to increased rate of reaction.
Hold your finger over one end of the paper tube and have your child fill it up with mentos mints. Create marketing content that resonates with prezi video. Roll the paper into a tube around a pack of mentos mints, tape it into place and pull it off of the roll of mints. Coke and mentos guys release a new book portland press. My research is about how mentos can create a diet coke geyser. This book also states that the diet coke and mento s keep their chemical properties. We also tried it using an already opened, small bottle of clear soda.
Question, hypothesis, and variables coke and mentos. Diet coke and mentos courtesy of although the explosion is simple to achieve theres quite a bit of interesting science going on in that bottle of cola, which makes this a perfect. Theories abound as to why this happens, with some bloggers speculating that it is an acidbase reaction because coke is acidic. I saw it on tv and i bought mentos and a 2liter bottle of diet coke. Originally, the geyser was made by dropping wintogreen life savers into a soft drink. Diy soda explosion scholastic parents books for kids. Dont ask me why diet, but thats what every resource that i checked said to use. The project is also known as the mentos and soda fountain or the soda geyser. 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. Diet soda uses artificial sweeteners instead of sugar, and consequently, its not sticky. This book also states that their will be no change in their chemical composition. When mint or fruit mentos are dropped into a fresh bottle of diet coke, a jet of coke whooshes out of the bottles mouth and can reach a height of 10 metres. How to make a diet coke and mentos rocket with pictures. Remove the lid from the diet coke and set it the bottle of soda on a flat surface.
The diet coke and mentos reaction is a fun demonstration in chemistry and physics classes of many important concepts in thermodynamics, fluid. So what is nucleation about and why do mentos release all this pressure so spectacularly. This bibliography was generated on cite this for me on tuesday, february 16, 2016. Observe and explain the mentos and diet coke experiment. A diet coke and mentos eruption is a reaction between the carbonated beverage diet coke. 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. Eepy bird blog archive the science of coke and mentos. One of the most popular experiments of modern times is the diet coke and mentos geyser. The mentos drops to the bottom of the bottle, forming lots and lots of bubbles on its pitted surface along the way.
When the mentos is dropped into the soda bottles, all the pressure it creates tries to push out of the tube generating enough power to give the car a giant push for at least 6 feet. Later on in the experiment, youll be invited to compare the geyser power of. Most have seen it on the internet and some have even placed mentos in diet coke, but they can now experience the phenomena and learn the chemistry behind it. Coke and mentos experiment by camden marks on prezi. The secrets of the coke and mentos fountain compound. I think that the number of mentos will affect the height of the explosion because there are more physical reactions happening. Mentos and diet soda experiment with free lesson plan and. Their viral videos have earned two emmy nominations, won four webby awards, landed them on vh1s list of greatest internet superstars, and were voted govirals online game. If a mentos candy were crushed and broken into little pieces, the candy. The goal of this project is to explore the eruption of carbon dioxide when the candy mentos dissolves in diet coke. Science of mentosdiet coke explosions explained new. Youre going to set up three testswarm soda, room temperature soda, and cold soda.