
If you’re on the lookout for some fun exploding STEM experiments, you definitely need to try this elephant toothpaste experiment. This fun science activity is sure to wow even the most serious of kids.
This cool science experiment is not only educational, but it’s also a lot of fun to watch.
Plus, it’s pretty easy to do – all you need is some hydrogen peroxide, yeast, dish soap, and food coloring.
This experiment is sure to please even kids who say they don’t like science.
Whether you’re doing it for fun, as an educational activity, or even as a science fair project, the elephant toothpaste science experiment is always a hit.
So gather up your supplies and get ready for one of our favorite STEAM activities for kids!
As with all science experiments, we always recommend taking caution. It’s always a good idea to wear safety goggles and have other precautions in place with any hands-on project like this.
Read on for a free step-by-step guide to the super cool, very popular Elephant Toothpaste Experiment!
This article may contain affiliate links. Please see our disclosure policy for more details.
Easy Navigation
What Is Elephant Toothpaste?
Elephant toothpaste is the result of a science experiment that produces a large amount of foamy substance that resembles toothpaste.
The experiment uses hydrogen peroxide, which is broken down into water and oxygen by an enzyme called catalase. When the hydrogen peroxide is mixed with soap and food coloring, it creates a colorful foam that looks like toothpaste.
While the experiment is safe for kids to try at home, it’s important to supervise since hydrogen peroxide can be harmful if ingested.
Elephant toothpaste is a fun and safe way to introduce kids to the science of chemical reactions.
Why Do the Elephant Toothpaste Science Experiment?
Science is all around us, and it’s important to learn about the world we live in! But science doesn’t have to be boring.
Science is one of the most fascinating subjects out there- there’s something truly intriguing about discovering how the world works. And yet, science can often be seen as daunting and difficult, especially for younger kids.
That’s why it’s so important to make science fun! There are tons of great benefits that come from doing fun activities like the elephant toothpaste experiment.
For one, science activities like the elephant toothpaste project can help kids to develop crucial critical thinking skills. By working through different problems and experiments, kids learn how to identify a question, gather evidence, and form a conclusion. This process of scientific inquiry is an incredibly important life skill that will serve them well in school and in the real world.
Encouraging kids to explore and experiment fosters creativity. With the elephant toothpaste science project, kids can learn that there can be multiple ways to approach a problem and discover solutions through trial and error. This nurtures their innovative thinking.
Additionally, an activity like the elephant toothpaste science experiment can be a great way for kids to learn about cooperation and teamwork. This kind of experiment requires kids to work together in order to be successful, which helps them to build key social skills.
These experiments are also incredibly engaging, instantly capturing a child’s attention and curiosity. The visual and interactive nature of the experiment with the giant foaming reaction makes learning exciting and engaging, motivating kids to participate actively.
Successfully executing an experiment like this can inspire a lifelong interest in science. A child who has a blast creating a chemical reaction today with this project might be inspired to pursue a career in chemistry or related fields in the future.
The Elephant Toothpaste Experiment, in particular, showcases the spectacular nature of science and always leaves a lasting impression on young minds. The vibrant, eye-catching foam eruption isn’t just a visual treat but also a gateway to understanding the principles of chemical reactions, demonstrating how science can be both educational and entertaining.
And finally, the elephant toothpaste experiment is just plain fun! It’s a great way for kids to explore their natural curiosity and discover new and exciting things about the world around them.
Free Printable Exploding STEM Project
Want a free project sample? Sign up to have one of the projects sent to you so you can get an idea of the type of experiment guides you’ll get in our STEM Made Easy Digital Subscription!
How To Make Elephant Toothpaste
How To Make Elephant Toothpaste | Fun Science Experiment Tutorial
Create toothpaste made for an elephant by making a chemical reaction using hydrogen peroxide and yeast. When adding the two mixtures together the explosion of foam looks like toothpaste being squeezed right out of a tube.
Make sure to have a space ready to get messy and cameras ready for this one!
Materials
- Clean 16oz Plastic Bottle (like an empty water or juice bottle)
- 1/2 Cup Hydrogen Peroxide (the stronger, the better)
- 10 Drops of Food Coloring
- Dish Soap
- 3 TBS Warm Water
- 1 TBS Yeast
- Funnel
Tools
- Cup for Mixing
- Spoon
- Safety Goggles
- Towels for Clean up
Instructions
- Pour ½ cup of hydrogen peroxide into the plastic bottle.
- Put 10 drops of food coloring into the plastic bottle (any color).
- Squirt dish soap into the plastic bottle for about 10 seconds.
- Gently swirl ingredients in the plastic bottle.
- In a separate cup mix 3 tbsp of warm water and 1 tbsp of yeast for 30 seconds. The mixture should look similar to melted ice cream. Add more warm water if needed. Make sure the mixture is smooth and not clumpy. This will result in the best possible reaction.
- Prepare your camera!
- Use a funnel to pour the yeast mixture into the plastic bottle.
- Watch elephant toothpaste explode!
- The reaction is warm and the hydrogen peroxide can irritate the skin. You can wear gloves, use popsicle sticks, or use your hands (at your discretion) to play in the foam.
Notes
Elephant Toothpaste Tips and Tricks
When it comes to hydrogen peroxide, the stronger your chemical, the bigger your explosion.
The hydrogen peroxide can irate skin so please be careful and take precautions as needed.
Recommended Products
As an Amazon Associate and member of other affiliate programs, I earn from qualifying purchases.
Follow Up Questions And Activities
Follow up your elephant toothpaste science experiment with these questions and activities!
Questions:
- Why do different percentages of hydrogen peroxide produce different reactions?
- What creates the heat?
- Could the amount of yeast change the reaction size?
- What would happen if we added the yeast without mixing it in the water?
Activities:
- Research other chemical reactions
- Research toothpaste and how it’s made
- Repeat the elephant toothpaste experiment with multiple strengths of hydrogen peroxide so you can compare and contrast side-by-side
What Makes Elephant Toothpaste Explode? The Science Behind This Experiment
The elephant toothpaste science experiment is often used to illustrate the power of enzymes.
When you add hydrogen peroxide to soap, it creates a frothy mixture that is full of bubbles. There is an enzyme in the yeast which helps break down the hydrogen peroxide into oxygen and water.
In the experiment, yeast is used to catalyze the decomposition of hydrogen peroxide into oxygen and water. The oxygen is then trapped by the soap, resulting in the formation of foam.
The foamy mixture expands rapidly, creating an effect that resembles a stream of toothpaste from an elephant’s trunk.
While the science behind this experiment is relatively simple, it can be used to create a spectacular display that is sure to amaze anyone who sees it. With a little bit of planning, you can easily create your own elephant toothpaste experiment at home.
And if you run into any problems or have any questions about this experiment, just reach out by commenting below and we’ll help you out.
Want More Experiments Delivered to Your Inbox?
Once you’ve finished the elephant toothpaste science experiment, you’ll probably be looking for more STEM activities to do with your kids. Check out our STEM Made Easy Digital Subscription. Every single month, you’ll get 5 brand new, exclusive STEM project guides, complete with worksheets, step-by-step instructions, and additional resources to give you plenty of educational activities to enjoy with your kids.
Scientific Method Worksheets – Free Download

Before you move on, we’ve got some free scientific method worksheets for you to download and enjoy. These printable worksheets are useful for any science experiment, science project, STEM challenge, or STEM projects your students might be engaging in.
Turn every science project and STEAM activity into a thought-provoking STEM challenge. Plus give left brain and right brain kiddos alike a chance to utilize their strengths and improve their weaknesses. Get yours now!
More Fun Science Activities For Kids
Check out these other fun science activities for kids!
- Team Building STEM Activities
- Dr. Seuss Science Activities
- STEAM Activities for Elementary Kids
- Bristlebot Robots Kit
- Insect Science Activities
- STEM Activities for Preschoolers and Toddlers
- Electric Playdough Kit
- Slime Science
- Free Printable Valentine Multiplication Worksheets - June 4, 2025
- Free Printable Martin Luther King, Jr. Word Scramble - June 4, 2025
- Digital Math Curriculum | Pros, Cons, and Options - June 4, 2025






