Using elephants toothpaste as an engaging and flexible curriculum alignment project. Bruno the elephants toothpaste american chemical society. Thats why were excited for our new video series making classic science cool again. Oct 03, 2019 want a lab that will be the highlight of your students school year.
Elephants toothpaste because the large stream of foam looks like toothpaste big enough for an elephant. This experiment shows the decomposition of hydrogen peroxide catalyzed by potassium iodide. There is a graphic organizer for students to create a lab report. Jun 26, 2018 experiments like elephant toothpaste, baking soda volcanos and magic milk experiments to name a few. Cleanup, however, is easy due to the presence of extremely safe products and the generous amount of detergent. This experiment demonstrates the concept and utility of. In this experiment, hydrogen peroxide breaks down into water and oxygen gas. Physical and chemical changes what is happening in the elephant s toothpaste experiment. Because it requires only a small number of ingredients and makes a volcano of foam, this is a popular experiment for children to perform in. This experiment shows how water is a good absorber of heat. The movement of the foam looks like toothpaste squirting out of.
Hydrogen peroxide is a base and is slippery properties. Under the right conditions, hydrogen peroxide will. Elephant toothpaste recording sheetscience experiment. To make four different solutions, start with 30% hydrogen peroxide and dilute it by onehalf to make a 15% solution. Elephant toothpaste science experimental worksheet for kids. Principal investigator who directs others to follow procedures materials manager who does experiment. First, add several drop of food coloring to the 12 cup of hydrogen peroxide. Elephant toothpaste science experimental worksheet for kids included. Wear safety glasses to do this experiment, since hydrogen peroxide can irritate your eyes. The dramatic elephant toothpaste chemistry demonstration produces copious amounts of steaming foam that looks like the kind of toothpaste an elephant might use to brush his tusks. Elephant s toothpaste is a foamy substance caused by the rapid decomposition of hydrogen peroxide using potassium iodide or yeast and warm water as a catalyst. A clean 16 ounce 473 ml plastic soda bottle or a water bottle.
The foam is simply soap and water so its ok to touch it just dont try brushing your teeth with it this is elephant toothpaste and no matter how much you beg, youre still going to be a kid. A chemical reaction is when two molecules interact and they change. Elephant s toothpaste because the large stream of foam looks like toothpaste big enough for an elephant. Understanding rate of reaction and the effects of concentration background. This is a kidsafe version of the popular elephant s toothpaste demonstration using common household materials.
Jan 05, 2019 elephant toothpaste science experimental worksheet for kids included. Prepare both bottles or cylinders at the same time. Now that we have your elephant yearnings out of the way, lets make some elephant toothpaste and help those guys out. Experiment 2 elephant toothpaste in this experiment, participants will learn about the role of chemistry. This experiment uses chemicals that can irritate skin and damage clothes, so make. Elephant toothpaste is a classic reaction experiment beloved by science teachers the world over, but you dont have to wait for your kids to experience it in school. This file includes elephant toothpaste lab activity power point, which is a instructional tool to perform the lab with students in small groups or whole group. The iodide ion from ki or nai is used as a catalyst to decompose h2o2, liberating water, oxygen and heat. Catalytic decomposition of h o elephants toothpaste. Making elephant toothpaste is an easy and fun science experiment that you can do with your kids at home or with students in the lab. Elephant toothpaste activity kaplan early learning company.
Original elephant toothpaste recipe experiments steve. Elephant toothpaste science experimental worksheet for. If an elephant used toothpaste, this is probably what itd look like. The experiement comes from the nat geo kids book try this. Also, wear disposable gloves when pouring 30% hydrogen peroxide, as. Have you ever heard of the classic science experiment called elephant toothpaste. You might remember mom treating your scraped knee or a cut with hydrogen peroxide. This science experiment creates an incredible amount of foam instantly. It is so big that only an elephant could use toothpaste this large. Students are mesmerized by the reaction that takes place and they will ask you to repeat the lab over and over again. Elephant toothpaste continued 2 21 linn cientiic nc ll rihts resee tips you may want to do this demonstration in the laboratory sink since there is a lot of foam produced.
You may want to do this demonstration in the laboratory sink since there is a lot of foam produced. The dramatic elephant toothpaste chemistry demonstration produces copious amounts of steaming foam that looks like the kind of toothpaste an elephant might use. A child with a great adult helper can safely do this activity and the results are wonderful. The solution will begin to rapidly produce foam with a much greater volume than the original ingredients.
Stay connected to your students with prezi video, now in microsoft teams. In this experiment our purpose was to test how the percentage of the hydrogen peroxide and its amount affected the speed of the chemical reaction. See more ideas about elephant toothpaste, elephant toothpaste experiment and science experiments. Original elephant toothpaste recipe experiments the lab. Lesson overview students will investigate chemical change. Learn about chemical reactions by watching this heatproducing mixture bubble and overflow for up to half an hour. The elephant toothpaste will bubble up out of the bottle. Michigan department of health and human services october 2018 alexandra peterson laboratory outreach program overview the toothpaste created in this experiment is a perfect example of a catalyst reaction. Streamers of foam erupt from a 2liter pop bottle and hit the rafters when potassium iodide is mixed with concentrated hydrogen peroxide.
Lay a large garbage bag at on a desk, table, or lab bench to protect the only difference is the addition of the catalyst. This experiment uses chemicals that can irritate skin and damage clothes, so make sure to use. Elephants toothpaste understanding rate of reaction and. Hydrogen peroxide h 2 o 2 is a chemical compound found in most households in the united states. This experiment is sometimes called elephants toothpaste because it looks like toothpaste coming out of a tube, but dont get the foam in your mouth. And when they do brush their teeth well, those are 9 pound molars they have to deal with. Catalytic decomposition of h 2o2 elephants toothpaste description. Hydrogen peroxide h 2o 2 is made up of two hydrogen atoms and two oxygen atoms. With just a few simple ingredients you can get in on the fun at home. Using elephant s toothpaste as an engaging and flexible curriculum alignment project. However, in this particular video they call the experiment marshmallow experiment rather than elephant toothpaste. The science lesson could be adapted for grades 28 depending on teacher modifications. Scroll all the way down to watch the video below for the stepbystep video in how to create this cool elephant toothpaste science experiment and make sure to subscribe to our youtube channel for more fun videos. Eighth grade lesson catalyst lab elephant toothpaste.
Demonstration risk assessment elephants toothpaste date. This experiment is sometimes called elephant s toothpaste because it looks like toothpaste coming out of a tube, but dont get the foam in your mouth. This sensory science experiment is a safe and fun way for teachers to introduce children four years and up to chemical and physical science within small group settings. By combining a few simple home ingredients, scouts will watch as a major foam reaction occurs, perhaps reminding them of a giant tube of toothpaste. Elephant toothpaste cool science experiments headquarters. Elephant toothpaste is a fun science experiment for any grade. I want to take a moment here, though, to talk about the difference between experiment and demonstration or activity. The foam your kids will create in this experiment resembles toothpaste being squeezed from a tubejust be sure they dont get it in their mouth. Elephant toothpaste experiment details step 1 combine two tablespoons of warm water with one teaspoon of yeast and mix until the yeast is completely dissolved in the water. You can use other soda, but diet coke is less sticky and.
H 2 o 2 looks like ordinary water h 2 o, but the addition of that extra oxygen atom turns the molecule into an extremely powerful oxidizer. Step 2 pour 12 cup hydrogen peroxide into the empty bottle. Elephant toothpaste, a hydrogen peroxide chemistry experiment. The water combines with the soap and produces the foam. How rapidly the reaction proceeds will depend on the concentration of hydrogen peroxide. Cleanup, however, is easy due to the presence of extremely.
Elephant toothpaste is a great elementary chemistry experiment that gets students thinking about reactions between simple household items. H 2 o 2 looks like ordinary water h 2 o, but the addition of that extra oxygen atom turns the. Follow us on instagram for more fun ideas for kids. Lets get to the science of what you need to make elephant toothpaste. It can also be used for changing one material into another. The higher percentage of hydrogen peroxide h 2 o 2 used, the more energetic the reaction will be. This lab activity can be used in the middle and high school classrooms. Add a big squirt of dish soap into the bottle, and swirl gently to mix.
Elephant toothpaste 6 top questions answered atenasciandplay. Elephant toothpaste this demonstrations is called elephants toothpaste because the chemical reaction produces a large foamy mess that looks like toothpaste squirting out of a tube. Learn how to make steve spanglers elephant toothpaste recipe using safe and easy materials you can find at home. Bruno the elephants toothpaste contributed by the elizabethtown college student affiliates of the american chemical society main science idea for kids in this activity, students will see that new substances are created during chemical reactions. This reaction occurs naturally, but yeast is used as a catalyst. Direction student have to copy the direction, turn it back to teacher and use their copies in order to train students to be careful copying and be careful doing experiment if they copy the direction is wrong 2.
How to make elephant toothpaste with pictures wikihow. Dilute a small portion of the 15% solution by onehalf to arrive at a 7. Higher concentrations of hydrogen peroxide 30% h 2 o 2 are caustic and will produce a nasty burning itch along with a mark. Catalytic decomposition of h2o2 elephants toothpaste. Step 1 combine two tablespoons of warm water with one teaspoon of yeast and mix until the yeast is completely dissolved in the water. Mother of elephant toothpaste demo pack includes 320g. The yeast used in each trial acts as a catalyst and breaks down the hydrogen peroxide into water and oxygen. Do the experiment in a tray or tub or outside so it is easy to clean up all the foam. So go call your friends on the elephone and get them ready, this experiment is going to elephantastic fun groan. Exothermic reactions are reactions that transfer energy to objects around it. The toothpaste created in this experiment is a perfect example of a catalyst reaction. Elephant toothpaste is an exothermic reaction which means that it produces foam and heat.
Because there is an excess of o2 produced, when you drop a match into the flask the o2 bubbles will catch on fire. H 2 o 2 is the scientific name for hydrogen peroxide, which is made up of two hydrogen atoms and two oxygen atoms. It can be expressed using the chemical formula, h 2 o 2. Ask for hydrogen peroxide that is labeled 40volume. To better understand the processes in this experiment we need to look at the chemical composition of hydrogen peroxide. Now you have the four solutions needed for the experiment. Aug 12, 20 as the reaction slows down, a stream of foam will come out of the bottle just like toothpaste being squeezed out of a tube. When heated, the rubber of the first balloon becomes. It can be used as a fun experiment or one that uses a catalyst. Sep 04, 2019 elephants toothpaste is a foamy substance caused by the rapid decomposition of hydrogen peroxide using potassium permangamate or potassium iodide as a catalysts. This experiment shows the catalyzed decomposition of hydrogen peroxide. To make it a true experiment, you can try to answer these questions.
Amaze a science class with elephant toothpaste instructables. A child with a great adult helper can perform this activity safely, and the results are wonderful. Inspire scientific inquiry and discovery with the elephant toothpaste activity. Elephant toothpaste science experiment with kids hello. In addition, there is also a worksheet with critical thinking and observat.
One more dilution will produce a solution that is approximately 3. Thankfully, our elephant toothpaste experiment worked out well. As a science writer for kids, parents, and teachers, i am careful to use the words correctly. She has taught science courses at the high school, college, and graduate levels. This experiment demonstrates a reaction occurring between two chemicals hydrogen peroxide and sodium iodide in a spectacular eruption of foam. The tiny bubbles that are produced are oxygen gas not air. It is the result of a chemical reaction that creates a large amount of oozing foam. Hydrogen peroxide is a molecule made up of hydrogen atoms and oxygen atoms. Hydrogen peroxide 12% this is found at a store that sells hair care products. The cylinder will get hot, so let it cool before handling.313 1184 1062 140 1228 1105 1310 1067 933 337 76 1206 546 818 21 657 807 325 294 316 1560 499 260 456 22 404 579 906 217 1290