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vinegar and baking soda experiment

The vinegar and baking soda experiment is a classic and exciting science activity that demonstrates a chemical reaction. Discover how to conduct this experiment step-by-step and understand the science behind it.

The vinegar and baking soda experiment is a classic and popular demonstration that showcases the fascinating chemical reaction that occurs when an acid and a base interact. By combining vinegar (acetic acid) and baking soda (sodium bicarbonate), we can observe an exciting display of bubbling and fizzing. This experiment not only captivates the imagination but also serves as a valuable educational tool, allowing us to explore the properties of acids and bases in an interactive and engaging manner.

To conduct this experiment, you will need a few basic materials: baking soda, vinegar, a clear plastic bottle or glass jar, a funnel (optional), and a balloon (optional).

Let's walk through the steps of the experiment:

• Begin by selecting a clear plastic bottle or glass jar to serve as the container for the reaction. It's helpful to use a clear vessel, as it allows for better observation of the reaction.
• If desired, use a funnel to carefully pour a small amount of baking soda into the bottle, filling it to about one-quarter of its capacity. The funnel helps to prevent any spillage or mess.
• Slowly pour vinegar into the bottle, being cautious not to fill it to the brim. Leave some space at the top to accommodate the reaction that will take place. As the vinegar comes into contact with the baking soda, the magic begins.
• Observe the reaction as the vinegar and baking soda interact. Almost immediately, you will witness a flurry of bubbles and fizzing. This effervescent display is a result of the chemical reaction occurring between the acetic acid in the vinegar and the sodium bicarbonate in the baking soda.
• For an added interactive element, you can stretch a balloon over the top of the bottle or jar before pouring in the vinegar. As the carbon dioxide gas is generated during the reaction, it will inflate the balloon, creating a visual representation of the gas production.

The chemical reaction that transpires between the vinegar and baking soda can be explained by the following equation:

CH3COOH (acetic acid) + NaHCO3 (sodium bicarbonate) → CO2 (carbon dioxide) + NaC2H3O2 (sodium acetate) + H2O (water)

The reaction between the acid (vinegar) and the base (baking soda) produces carbon dioxide gas, which manifests as bubbles. Simultaneously, sodium acetate and water are formed as byproducts of the chemical reaction.

This experiment serves as an excellent educational tool, particularly for teaching children about chemical reactions and the properties of acids and bases. It provides a hands-on experience that allows them to witness the exciting transformation and understand the principles at play.

By engaging in the vinegar and baking soda experiment, children can develop a deeper appreciation for the world of chemistry. They can learn about the concept of chemical reactions, how different substances interact, and the role of acids and bases in these processes. Furthermore, the visual effects of bubbling and the inflation of the balloon make the experiment even more captivating and memorable.

However, it is important to note that while this experiment is safe and enjoyable, caution should always be exercised. Adult supervision is advised, especially when working with young children. It's crucial to handle the materials responsibly, avoid ingestion or contact with eyes, and clean up any spills promptly.

In conclusion, the vinegar and baking soda experiment provides an exciting opportunity to explore the chemical reaction between an acid (vinegar) and a base (baking soda). Through the combination of these two substances, we witness a captivating display of bubbling and fizzing, accompanied by the production of carbon dioxide gas, sodium acetate, and water. This experiment serves as an interactive and educational tool, allowing children to gain insights into the world of chemistry, understand the properties of acids and

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Baking Soda and Vinegar Experiment

This classic science experiment is always a favorite activity for kids. And it’s easy to put together too! You only need baking soda, food coloring, water and vinegar. Kids will loving making this fizzy rainbow.

RELATED: Rain Cloud in a Jar

Rainbow Baking Soda and Vinegar Experiment

Kids love doing this easy science experiment. Not only is it a fun activity but it’s a great learning exercise too. They also get to practice fine motor work by using a pipette or dropper.

To save steps, you can also do this experiment by using regular baking soda shaped into a rainbow. Then just add a few drops along the arches of the food coloring.

The Science

What happens when you mix vinegar and baking soda?

You see the bubbling and foaming but what is causing this reaction? The baking soda (sodium bicarbonate) is a base while the vinegar (acetic acid) is an acid and what you are seeing is an acid/base reaction. Initially, the reaction makes carbonic acid which is unstable and breaks down into carbon dioxide (CO2) and water which is what creates all of the fizzing and bubbles as the gas leaves the water.

Supplies Needed to do a Baking Soda and Vinegar Experiment

– Baking Soda – we like this large 5 lb bag for activities

– Food Coloring Gel (one in each color of the rainbow) – we like to use this liquid food coloring gel since it’s concentrated and makes the colors really vibrant

– Dropper

– Water

– Vinegar

Watch the Video Tutorial Here!

How to do a fizzy baking soda and vinegar experiment.

1. Start by placing 1 cup of baking soda into a bowl.

2. In a pouring cup, add 3 tablespoons of water. Mix in 1-2 drops of red food coloring into the water. If using regular food coloring, you may need to add more drops to make it more vibrant.

3. Pour the food colored water into the bowl with baking soda and mix until the baking soda is dyed.

It should still be a powdery-like texture and look like the following:

Repeat the above steps for Yellow and Orange. 

For Green, Blue and Purple , mix only 1/2 cup of baking soda to 1.5 tablespoons of water (you don’t need as much of these colors to make the rainbow so you can halve the recipe above.

4.  Lay out the colors onto a white tray or baking sheet. Protect your table if needed so the food coloring does not go onto your table.

5.  Put vinegar in a bowl and then let kids use a dropper to drop the vinegar onto the rainbow.

Kids love seeing the reaction the baking soda and vinegar makes together!

We love how easy this science experiment is to set up. And kids love to use the droppers to make the vinegar/baking soda reaction.

The rainbow version is a lot of fun to try! We hope you enjoy this easy science experiment!

More Science Experiments

Try this fun and easy Grow a Rainbow Experiment . You only need washable markers and paper towel!

For another fun experiment, make some oobleck! 

Try a rainbow rain cloud in the jar experiment!

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Easy STEM Activities & Experiments with Baking Soda & Vinegar

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Science, Technology, Engineering and Mathematics are the foundations of STEM education and the skills needed for knowledge careers in our high-tech future. An aspiring engineer, computer programmer, research biologist, chemist, or algorithm builder begins with a love of the core STEM subjects.

You can pique the interest of your kids in STEM activities from an early age – you can’t start too young with curiosity! The good news is that you don’t have to have a PhD to create fun STEM activities for your preschoolers or elementary-aged kids. With a few easily found materials, a little vinegar, and the familiar orange box of ARM & HAMMER™ Baking Soda, you can create quick STEM challenges that use math and demonstrate scientific reactions.

While sodium bicarbonate may seem magical when it releases carbon dioxide to power a rocket or make popcorn kernels dance in water, you can explain that it’s not magic – it's science. Here are 7 fun and easy STEM experiments to try in the classroom or at home with baking soda.

1. Fizzy Hands

You don’t need any helium to make balloon-like hands! The Fizzy Hands experiment might bubble over (literally) but it’s a terrific DIY STEM activity that can help to explain how a solid and a liquid can combine to create a gaseous substance. In this case, the baking soda and vinegar react to create carbon dioxide (CO2) bubbles. The bubbles rise to the top of the liquid, which results in foam! Watch as the Fizzy Hand expands and the foam comes oozing out!:

Materials & Supplies

• 3 tablespoons of ARM & HAMMER™ Baking Soda
• Wide mouth jar (plastic or glass)
• 3/4 cup vinegar
• Liquid dish soap
• Vinyl / Nitrile glove
• Food coloring
• Rubber bands
• Baking sheet or tray
• Safety glasses
• Lay materials out on a cookie sheet. It’s easier to clean up.
• Add vinegar, a good squeeze of dish soap, and food coloring to jar of choice. Stir with a spoon or swish to combine the ingredients. Set aside.
• (Adults only) Open up a paper clip and use a pointed end to poke a small hole in each fingertip on the glove.
• Add 3 tablespoons ARM & HAMMER™ Baking Soda to the glove, shaking it to fill the fingertips.
• Stretch and fit the open end of the glove over the top of the jar. Be careful NOT to spill any Baking Soda in. The fingers of the glove will drape over the jar.
• Place rubber bands around the base of the glove to secure it around the jar.
• Take your cookie sheet and jar/glove outside. Gently lift the glove and tip it to empty the baking soda into the jar. Swirl everything around, then stand back to steer clear of the foamy reaction!
• Bonus step: if you dare, you can add more Baking Soda and vinegar for an even bigger reaction. (You may need a *hand* for cleanup.)

The STEM Connection:

• The sodium bicarbonate (baking soda) and weak acetic acid in vinegar react and trap the carbon dioxide to form bubbles.
• The mixture of the baking soda (solid) and vinegar (liquid) creates a gas and a liquid, which in turn results in a foam (a mixture of gas and liquid, or a colloid). The carbon dioxide pushes the foam out of the holes in each finger of the glove!

The baking soda volcano is a classic from everyone’s childhood, but somehow, it’s still cool to watch every time. You probably didn’t know you were taking part in a STEM activity and witnessing science in action. Try to remember when you saw baking soda and vinegar spew out of the top of a homemade volcano and delight in watching the wonder on your kids’ faces when it happens for them for the first time.

One of the best parts about building a baking soda volcano is that you can make it erupt again and again for pennies. All you need is a bit more vinegar and baking soda.

If you’re looking for a corn-y STEM activity for the fall, how about sprucing up the family harvest by making corn kernels dance around? The popcorn kernels are a great model to showcase the reaction between baking soda and vinegar and to talk about density. Their composition allows the carbon dioxide gas formed from the reaction to lift them to the surface and return them back to the bottom, turning popcorn into hop-corn.

While you’re waiting for the nutcrackers to come to life and dance on ice in the winter, try making corn kernels dance in autumn with this easy DIY STEM fun.

• ARM & HAMMER™ Baking Soda
• ¼ cup dry popcorn kernels
• Fill mason jar halfway with vinegar.
• Insert popcorn kernels so that they layer the bottom of each jar.
• Add 2 tablespoons of baking soda to the jar.
• Stir the kernels to get them dancing.
• Watch as the kernels bounce around.
• Optional: use the stopwatch to time how long it takes for the first kernel to rise and how long it takes for the kernels to stop moving.
• The vinegar and baking soda create carbon dioxide gas bubbles that get trapped in the bottom layer of the jar.
• Popcorn kernels are light enough to sink in the water, but not so heavy that they cannot be lifted by the bubbles.
• The gas bubbles lift the kernels. When the gas is released when the bubbles pop at the surface, the kernels fall back to the bottom of the jar.
• Extended STEM experiments:
• Try using different items besides popcorn kernels and see if the carbon dioxide bubbles can lift them. Predict whether you think they have the right density to dance! Examples to try:
• Grains of rice

6. Making Crystals with Baking Soda Baking soda can form crystals because it is a crystalline solid. A crystalline solid you probably already know and love is the salt you put on your French fries! Table salt (NaCl) and baking soda (NaHCO₃) both have sodium in their chemical formulas, so they have similar characteristics. Thanks to baking soda’s sodium crystalline structure, we can make our own crystals at home with just a few household items!   Materials & Supplies ARM & HAMMER™ Baking Soda Glasses or jars (at least two) Spoon Steel nails (2). These need to be heavy enough to sink to the bottom of the jar Hot tap water Piece of yarn or cotton string, about 6 in. long   Method Place the 2 glasses or jars across from each other, leaving space between them. Fill each glass with hot tap water. Add 2 tablespoons of ARM & HAMMER Baking Soda to each glass and stir. If all the Baking Soda dissolves, add more Baking Soda until the water cannot dissolve it anymore, indicating that the mixture is saturated. Add a few drops of food coloring if you’d like your crystals to be colorful. Tie a nail to each end of the string/yarn and drop 1 nail into each glass. Let the string dangle a bit (like a smiley shape) between the glasses but not so much that the string touches the ground. Watch the string over the next few days. As the water evaporates, colorful crystals will begin to form along the string.   The STEM Connection: The water holds as much of the baking soda as it can until it becomes supersaturated, with the leftover salt leading to the creation of a solid. In this case, crystals! This is because the sodium and chloride ions that are left behind attract each other, bond, and materialize as crystals! How sweet (or salty) is that? Repeat this activity using regular table salt in one pair of jars, and sugar in another. Compare the crystal size and structure of each! Do crystals form faster for baking soda, table salt, or sugar? 7. Invisible Ink

The combination of baking soda and vinegar doesn’t just serve up explosive reactions. It can also leave traces! Ever wanted to play the part of an explorer who stumbles across a secret message? The Invisible Ink STEM activity allows you to do just that. Your baking soda and water "ink” will be invisible at first, then change color when introduced to heat. Using purple grape juice will produce other colors, as well! You don’t have to write words or letters either, so your preschooler can scribble away and still get a big payoff!

You might not be dusting off ancient artifacts, but this simple DIY STEM activity can still unlock your inner Indiana Jones or Nic Cage.

• Light bulb or other heat source
• Paintbrush or swab
• Measuring cup
• Purple grape juice (optional)
• Mix equal parts water and baking soda together in a cup or small container.
• Try a cotton swab, toothpick, or paintbrush as a utensil to write a message (or draw a picture) on your sheet of paper, using the baking soda solution as "ink."
• Allow the ink to dry. The paper will look blank, but you know there’s a message on it!
• Read the message by holding the paper up to a heat source, such as a light bulb (do not use a halogen bulb) or a hair dryer. The heat should turn the baking soda in the lettering brown, so you can read it.
• Alternatively, you can paint over the paper with purple grape juice, which should yield a different color and make the secret message visible!
• The introduction of a heat source reacts with the water and baking soda mix to reveal written messages, symbols or images.
• If using grape juice, the baking soda and grape juice make for an acid-base reaction, with the grape juice (acid) serving as a pH indicator for the sodium bicarbonate, or baking soda (base).

Want more fun things to do with your kids and baking soda? Check out these other ideas from ARM & HAMMER™:

• Kid-friendly slime
• Baking soda bath bombs
• Baking soda science fair projects
• DIY Baking Soda Kid Projects
• Arts & Crafts Activities with Baking Soda

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Video title

10+ Fun and Easy Baking Soda and Vinegar Experiments

They explode, they erupt, they are messy and boy are they fun! What could cause so much excitement? That’s right, baking soda and vinegar experiments. Go beyond the old baking soda and vinegar volcanoes and discover a world of new experiments to thrill your kids!

Chemistry for Kids – Sodium Bicarbonate and Vinegar Reactions

What you will discover in this article!

Disclaimer: This article may contain commission or affiliate links. As an Amazon Influencer I earn from qualifying purchases. Not seeing our videos? Turn off any adblockers to ensure our video feed can be seen. Or visit our YouTube channel to see if the video has been uploaded there. We are slowly uploading our archives. Thanks!

We love science experiments around here, but, often for my own sanity, we keep things easy, by just playing with variations of our favourite physics or chemistry reactions. One of our all time favourites is the simple baking soda and vinegar experiments.

Immediately, I am sure you are thinking of the old fashion Baking Soda and Vinegar Volcanoes we all built as children. We love that experiment too, but you can do lots of other things with this awesome reaction that don’t involve a whole lot of paper mache construction.

A quick note for those not in North American. Baking Soda is also known as Sodium Bicarbonate in many parts of the world.

The Science

These activities explore the popular baking soda and vinegar reaction, which is a simple acid-base chemical reaction. Vinegar or Acetic Acid has the chemical formula CH 3 COOH. Baking Soda, is a base also known as Sodium Bicarbonate or Sodium Bicarb, has the chemical formula ‎NaHCO 3 . During this reaction the products are sodium acetate (CH 3 COONa). Sodium acetate is made of 1 sodium ion, 2 carbon atoms, 3 hydrogen atoms, and 2 oxygen atoms. The other products are water (H 2 O) and carbon dioxide (CO 2 ). Carbon dioxide is the gas that causes the bubbling during the reaction.

Here is the chemical formula of this reaction

CH 3 COOH (l) + NaHCO 3 (s) → CH 3 COONa (aq) + H 2 O (l) + CO 2 (g) acetic acid (vinegar) + sodium bicarbonate (baking soda) -> sodium acetate + water + carbon dioxide

Is the reaction endothermic or exothermic?

It takes energy to break the chemical bonds in baking soda and vinegar. When this happens energy is released when the carbon dioxide, sodium acetate, and water are formed. Since more energy was needed to break the baking soda and vinegar apart, the temperature goes down . This is called an endothermic reaction. That means Baking Soda and Vinegar reactions are endothermic.

Now we know the science, let’s dig into some fun experiments!

Here are our top 10 favourite baking soda and vinegar experiments that the kids love doing over and over and over again! The best part, most of these are super easy science experiments. Great for those afternoons when you need a quick, fun project that will appeal to any age.

Measuring Chemical Reactions – Fireworks Experiment

Baking soda and vinegar is the perfect reaction to start learning some basic chemistry principles including how to measure a chemical reaction. In this experiment we have a fun Fireworks inspired reaction (great for July 4th), followed by a deep dive into chemistry as kids learn how to measure a chemical reaction with simple kitchen supplies.

Bottle Rockets

Building Bottle Rockets is such a fun activity for all ages, but especially as a year end celebration or summer camp activity. With this activity we are exploring the pressure and physics caused by a contained baking soda and vinegar reaction. And the results are spectacular!!

Greenhouse Effect Experiment

This powerful experiment demonstrates the heat capturing properties of greenhouse gases. An excellent project to do for Earth Day or as part of a unit study on environmental sciences and climate change. Create the Greenhouse Effect in a jar .

Hatching Dino Eggs

One of our most popular activities with everyone from the very young to the young at heart are these little Dino Eggs. Everyone dreams of hatching their very own dinosaur baby and in this fun activity you make it happen with a fizzy, fun and gorgeous chemical reaction.

Erupting Rainbow Rocks

Erupting rainbow rocks are a gorgeous, colourful science experiment that is so easy to do. Be prepared for lots of squeals of excitement and gasps of wonder as the rainbow of colours magically appear in the fizz!

Erupting Black Hole Science

We love studying space around here, and this is a fantastic activity for your star gazers and aspiring space travelers. Inspired by the first photographs of a black hole, we created this fun and interactive Space STEM Activity – Erupting Black Holes !

Magic Color Changing Oobleck

Imagine changing the colour of something, simply with chemistry. This Colour Changing Oobleck activity was not originally meant to be a baking soda and vinegar reaction, in fact we were simply setting out to test pH. Then we saw those fizzy little reactions as our Oobleck changed colour. Accidental discoveries in science are so much fun!

Baking Soda vs Baking Powder

Got a budding scientist on your hands that wants to run their very own science lab? This is a fantastic activity for kids to put their investigation skills to the test. Make sure you use test tubes and beakers for the best lab experience. Don’t forget the lab coat. Your young scientists will love this investigative activity exploring the differences between baking soda and baking powder .

Balloon Science

Like our bottle rockets, in this activity we are capturing the CO2 gases that result from a baking soda and vinegar reaction. Using our STEM skills we tested different ratios to see how it affects the inflating of our balloons. We have done this experiment for Groundhog Day and Halloween . It is great fun and can be easily adapted for any theme and is super easy to do.

Volcano Slime

After years of failure we finally found success making slime with contact lens solution and baking soda. Well it didn’t take long for the kids to start asking… what would happen if we added vinegar? And our Erupting Volcano Slime was born!

Puking Pumpkin Volcano

Take your fall Halloween celebrations to a new level of “EEEWWWW” with Puking Pumpkin Volcanoes ! This simple activity always delights the kids.

Apple Volcano Experiment

This Apple Volcano is perfect for Back to School and Fall Science. Kids love Apple Science Experiments, and this colorful one is always popular.

Christmas Tree Chemistry

This is a great Christmas STEAM activity , but if you need something for a different time of year, simply switch out your Silicone Molds to change the theme of this activity for any holiday or event. We’ve done it for Halloween, St. Patrick’s Day, Dinosaur themed and more. Kids get to decorate their Christmas Tree then make it erupt in a colourful chemical reaction.

Invisible Ink

Another fun use of acids and bases is to make invisible ink . This is such a fun experiment with big wow moments for kids!

Art from Science Galaxy Project

Combine these incredible chemical reactions with a fun art project in this easy activity that is perfect for STEAM club or to celebrate the night skies. We had so much fun making these Galaxy art prints .

Have a great time exploring the amazing reaction between baking soda and vinegar! Your kids are going to have a blast!

Ready to dig into more Chemistry learning in a fun, interactive way? Try our Periodic Table of Elements BINGO game!

Have fun learning and exploring with chemistry!

5 Days of Smart STEM Ideas for Kids

Get started in STEM with easy, engaging activities.

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Happy Hooligans

Crafts and Activities for Toddlers and Preschoolers to Tweens

Fizzing Colours! A Baking Soda and Vinegar Experiment for Preschoolers

Last updated on February 18, 2021

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Toddlers and preschoolers will love this classic baking soda and vinegar experiment . They’ll ooh and ahh over the colourful chemical reactions they’ll create with just 3 kitchen ingredients!

A baking soda and vinegar experiment is one of those classic science experiments  that always fascinates. It’s perfect for the classroom or for a day at home when your kids are bored.

Your children will love the colourful, bubbling eruptions that result when baking soda and vinegar are combined.

This experiment is easy and inexpensive to set up so you can do it over and over, whenever you need a quick and easy activity to entertain your kids.

In addition to being fun and entertaining, this activity is educational too. You’ll have an opportunity to discuss colour, colour mixing  and chemical reactions.

To do our colourful baking soda and vinegar experiment, you’ll need:

For your conviencience, this post contains affiliate links. As an Amazon associate, I earn from qualifying purchases.

• box of baking soda (also known as bicarb soda)
• small bowl of white vinegar

• food colouring or liquid watercolours
• baking sheet  or a messy craft mat

We did several science activities yesterday, and according to the hooligan you see in the photo above, this was the best “spare-a-mint” of the day.

I’m guessing it’s because it had the goopiest results for her to dig her hands into.  This little one just loves getting messy when she plays.

The Experiment:

We began by sprinkling baking soda all over the baking sheet.  Then we shook the baking sheet back and forth to evenly distribute the baking soda.

Next, using food colouring and liquid watercolours, we squeezed drops of colour all over the baking soda.

And now for the fun part:

A drop of vinegar dripped on top of a drop food colouring.

FIZZ, FIZZ, BUBBLE, BUBBLE!

I wish I’d snapped a picture of her face when the first eruption took place. Her expression was one of pure delight and amazement.

Then she began dripping vinegar onto all of the colours on the tray, watching and listening to each one bubble and fizz.

Using a dropper is great for helping to develop fine-motor skills, pencil grasp and co-ordination.

At one point, I gave her a spray bottle of vinegar so she could spray the baking soda as well.

A spray bottle is great for strengthening muscles and co-ordination in little hands. It was a lot of fun to use but we found that the dropper gave us a more intense reaction.

As the colours erupt on the baking sheet, you can explain  why baking soda and vinegar react the way they do when combined .

We also discussed primary and secondary colours. I would say “Look!  We have purple happening here!  Which two colours mixed together to make purple?”

She dripped and she dropped until the tray was a collage of colourful craters.

And then, as I suspected she put down her dropper, and sunk her hands into the results of our experiment.

What a lovely way to finish up the activity, sliding and swishing her hands through a soft and soupy rainbow of colour.

I hope you’ll try this baking soda and vinegar experiment with your kids or students!

And stay tuned…  I’ll be sharing more of yesterday’s science activities throughout the week.

Looking for more awesome science activities for kids?

You’ll find all of my easy science activities for toddlers and preschoolers here!

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Jackie is a mom, wife, home daycare provider, and the creative spirit behind Happy Hooligans. She specializes in kids’ crafts and activities, easy recipes, and parenting. She began blogging in 2011, and today, Happy Hooligans inspires more than 2 million parents, caregivers and Early Years Professionals all over the globe.

Reader Interactions

February 20, 2016 at 11:20 pm

Great activity! I have tried this with my preschoolers and it keeps them fully engaged for long periods of time. Love your photos 🙂

May 19, 2016 at 8:53 pm

This may be a silly question, but do you mix the food colouring with water, or just drop on pure food colouring?

happyhooligans

May 20, 2016 at 6:57 am

We used ours full-strength, Sasha.

December 13, 2017 at 12:07 am

There is one sentence that looks like it might have been the victim of an incomplete edit. “A drop of vinegar dripped on top one of a drop food colouring”

May 16, 2020 at 3:59 pm

Can I use red vinegar instead of white vinegar?

Jackie Currie

May 17, 2020 at 10:50 am

I imagine it would work, Alina. Sprinkle a little baking soda on a plate and drip some red vinegar on it. If it fizzes, you’re good to go.

February 17, 2022 at 6:01 am

Hi! I am planning on doing this with my preschoolers too but just wondering what the clean up process is? Did you throw the baking soda in the garbage after?

March 23, 2022 at 2:55 pm

I pour it down the drain Camille. Baking soda and vinegar are commonly used to flush kitchen drains.

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Learn about Reactions with This Vinegar and Baking Soda Experiment

Take a peek in your pantry. Do you have baking soda and vinegar? If so, you and your kids have the basic supplies for a bubbly science experiment! 

These two products are staples in many households because they are essential cooking ingredients. , Baking soda helps baked goods rise, and a pinch or two will balance the acidity in dishes like tomato soup. Vinegar is a common ingredient in salad dressings and sauces, and a splash will elevate any dish in need of a bright, tangy flavor.

But can you mix vinegar and baking soda together? You sure can—and the result is a wonderful at-home science experiment. Vinegar and baking soda create a very effective cleaner for dishwashers, washing machines, clogged sinks, and even tile grout because of the chemical reaction that occurs when the two substances interact. You can harness this same reaction for an exciting chemistry activity!

The Science behind the Reaction

A baking soda and vinegar reaction is simple and safe for budding scientists of all ages. Older children may be curious about why the reaction occurs—here’s the rundown:

When combined, baking soda and vinegar undergo an acid-base reaction. Acids and bases are aqueous solutions (meaning they’re substances dissolved in water) that exist at opposite ends of the pH (potential of hydrogen) scale, which spans from 0 to 14. Acids measure between 0 and 7 and bases measure between 7 and 14, while a pH of 7 indicates a neutral substance. In simple terms, bases have the potential to gain hydrogen ions (an ion is a type of atom, one of the tiny building blocks that make up all matter), while acids have the potential to donate hydrogen ions to another substance.

Baking soda, or sodium bicarbonate, has a pH level of 9, making it a base. Vinegar, which is acetic acid dissolved in water, has a pH level of 2–3, making it an acid. , Baking soda is made up of sodium, hydrogen, carbon, and oxygen atoms. Vinegar is made up of hydrogen, carbon, and oxygen atoms.

When you mix baking soda and vinegar together, two hydrogen atoms move from the vinegar to the baking soda to create a salt called sodium acetate. The remaining atoms create a new acid—but it breaks down quickly into water and carbon dioxide gas.

It’s Time for an Experiment

Your kids can witness an acid-base chemical reaction right in your kitchen. This baking soda experiment for kids combines vinegar and baking soda, then uses the resulting carbon dioxide gas to inflate a balloon. This same reaction is behind science projects like fizzy potions and DIY volcanoes .

Children of all ages can participate in every step of this experiment, but younger kids may need help from an adult. You know your kid scientists’ abilities best!

Vinegar and Baking Soda Experiment

• ⅓ cup baking soda
• 1 cup white vinegar
• 1 empty plastic water or soda bottle
• 1 uninflated balloon
• 1 funnel 
• Use the funnel to fill the uninflated balloon with baking soda. Kids can help pour the baking soda while an adult holds the funnel and balloon. 
• Pour the vinegar into the empty plastic bottle. Fit the opening of the balloon over the mouth of the bottle, trying not to spill any baking soda out of the balloon.
• Once the balloon is securely attached to the bottle with no gaps for air to escape, lift the balloon and let the baking soda fall into the vinegar below.
• Watch as the baking soda and vinegar react—the mixture will bubble and fizz. As the reaction takes place, the balloon should begin to expand and fill with carbon dioxide gas!

Using the Scientific Method

The balloon experiment is an excellent way to show your children the wonders of chemistry from the comfort of home. You can build on their learning by teaching them to follow the scientific method. This process is what scientists around the world use to construct and test their hypotheses (what they think will happen in an experiment).

Help your children navigate the following steps:

• Identify a problem or question: Ask your kids, “What do you think will happen to the balloon when we combine vinegar and baking soda?” 
• Form a hypothesis : Encourage your children to guess how the vinegar and baking soda will react—and how that reaction will affect the balloon. Help them frame their hypothesis using the “if _____, then _____” format. For example: If the baking soda and vinegar mix, then bubbles will form and the balloon will expand.
• Conduct the experiment : Follow the steps in the experiment above to test their hypotheses. 
• Collect and analyze the results: Help your kids monitor how the experiment plays out. Older children can make notes, while young ones may want to take photos or draw pictures of the experiment.
• Provide a conclusion: Ask your kids if their hypotheses were correct. If they were, great! If not, ask them how the experiment differed from what they expected. Remember: Science is all about making wrong guesses and learning from them. Help your young chemists understand that an incorrect hypothesis is just as good as a correct one.

You and your kids can apply the scientific method to all kinds of at-home science experiments. There are plenty of family-friendly activities to grow your children’s interest in chemistry. For example, you could test whether a substance is acidic or basic using cabbage and water , or using carbon dioxide gas to create a miniature “snowstorm.”   

If your kids have a passion for experiments, sign them up for a science-based subscription box from Little Passports. The Science Junior box , designed for five-to-eight-year-olds, helps early elementary schoolers explore the wonders of science firsthand. Science Expeditions teaches children ages eight and up about more advanced scientific topics, such as aerodynamics and solar energy. Each month you’ll receive a box full of activities and discoveries to help your budding scientists flourish and grow.

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Fun & Easy Baking Soda and Vinegar Experiments for Kids

Krystal DeVille

August 1, 2023

One of the simplest but satisfying DIY science experiments is the baking soda and vinegar reaction.

From volcanoes to bottle rockets, this experiment packs a punch. Fun for kids (and adults) of all ages, the baking soda, and the vinegar experiment are fun ways to learn about chemical reactions.

Table of Contents

How Baking Soda & Vinegar Reaction Works – a Simple Explanation

When baking soda and vinegar come together, a chemical reaction occurs. Chemical reactions are a process where two different things come together to make something new.

In this chemical reaction baking soda and vinegar make bubbles of carbon dioxide gas. The chemical reaction is what makes the mixture fizz.

How The Reaction Works – A Complex Explanation

Baking soda and vinegar experiments are an endothermic, acid-base reaction. Baking soda is the base , and vinegar is the acid .

What’s a Base:

In chemistry, a base is a chemical species which donates electrons, takes protons, or releases hydroxide (OH-) ions in an aqueous solution. Bases display specific characteristic properties which may be utilized to help identify them. ( Definition from ThoughtCo.com )

They are usually slippery to the touch (e.g., soap), may taste bitter, react with acids to form salts, and catalyze particular reactions.

What’s an Acid:

An acid is a chemical species which donates protons or hydrogen ions and/or takes electrons . Most acids have a hydrogen atom ensured that may discharge (dissociate) to give a cation and an anion in water.

The higher the concentration of hydrogen ions generated by an acid, the greater its acidity and the lower the pH of the solution. ( Definition from ThoughtCo.com )

When baking soda and vinegar are mixed, it releases an unstable substance called carbonic acid. The carbonic acid breaks down into carbon dioxide gas and water. As the gas quickly leaves the water, the substance fizzes.

The process is endothermic, which means the reaction absorbs heat from its’ environment. This energy is what activates the chemical reaction. Endothermic reactions are cold, which is why the baking soda and vinegar mixture becomes cold to touch.

Kids Science Activity With Baking Soda and Vinegar

Now that we have the reason for the reaction with baking soda and vinegar, let’s get into the fun part, science experiments!

Easy Baking Soda and Vinegar Reaction

This first one will be very straight forward with only a few things needed. Your basically just mixing the chemicals together with different ratios each time and documenting with ratio gives the biggest reaction.

Supplies Needed

Here is what you will need for a successful baking soda and vinegar reaction:

• Baking Soda. (This is a big bag of baking soda we used from Amazon)
• White Vinegar. (This is the bottle of White Vinegar we used fro Amazon but you should be able to find it easy at a supermarket too)
• A Container (I.E., a plastic bottle or a water cup)
• Food Coloring (optional, but it can add fun to the experiment. Using different food colorings (Amazon link) is a great way to compare experiments). You can also find this at just about any supermarket as well.
• Table Spoon or Measuring Cup (this will depend on your container’s size and how big of a reaction you want to see).

Step By Step Process

Now, here’s how you do it:

Fill your container with baking soda. If your container is on the smaller side, I recommend one tablespoon of baking soda.

If you are using a large container, you could add more baking soda. Experiment with different amounts to find out what creates the most fizz.

Now, you’ll need to add vinegar. The more vinegar, the more explosive the reaction (unless you add TOO much).

A 12 to 1 ratio of vinegar to baking soda is a good place to start. So, if you used one tablespoon of baking soda, add 12 tablespoons of white vinegar.

Watch your creation fizz and bubble! Try experimenting with different ratios of vinegar and baking soda to add to the learning experience.

Notice the reaction times of the baking soda and vinegar when you change the amounts used. How are they similar? How are they different?

Rainbow Baking Soda and Vinegar Experiment

This experiment was more for my five-year-old daughter but it turned out my eight-year-old son loved it too.

I thought this one was going to get a little messy so we took it outside. It’s also a good idea if your kids are in play clothes just in case they get a little wild with this STEM experiment.

If you’re already going to have everything out from doing the basic experiment from above you might as well do this one too; my kids loved this one!

• Baking soda & Vinegar (of course right!?) (Both links go to Amazon)
• A baking sheet to spread the baking soda. A baking sheet works well.
• Food coloring.
• A small dropper like this one from Amazon, bright color droppers.
• This is optional because we wanted to see how half the baking sheet would react with Pure Citric Acid. (Amazon link)

Fill the baking tray up with baking soda. Make sure to put a smooth layer covering the pan evenly.

Add droplets of food coloring in different spots. Use different colors to surprise your kids when doing to experiment.

Use a thin layer of baking soda to cover up the food coloring droplets. This layer doesn’t need to be that thick.

Take the baking sheet outside or in a safe area, use the dropper with vinegar to find the area with the food coloring. Kids will find it fun to discover where the different colors are on the baking sheet hiding in the baking soda.

Baking Soda and Vinegar Balloon Experiment

This is another fun chemistry science experiment kids will love! Watching a balloon fill up from a chemistry got a big reaction from my kids.

• A plastic bottle. We used a water bottle, (16oz).
• Baking Soda & Vinegar (Amazon links). A 12 to 1 ratio of vinegar to baking soda is a good place to start.
• A balloon of any color.
• A funnel to easily fill the ballon with baking soda.

Use the funnel to add baking soda inside the balloon. We also tried it the other way of filling the balloon with vinegar but the kids spilled some vinegar that way.

Fill the plastic bottle with vinegar.

Secure the lip of the balloon on the top of the plastic bottle. Make sure not to spill any of the baking soda in the bottle yet or the chemical reaction will happen before you fully secure the balloon.

My kids had a bit of trouble getting the balloon on so you’ll have to help with this step.

Tilt the baking soda inside the balloon into the bottle of vinegar!

If you’d like to check out another fun kids’ chemistry experiment, click to see our, Exploding Colors Experiment with Baking Soda & Vinegar. Also, our 6 Simple Chemistry Experiments for Kids That You Can Do at Home .

Baking Soda Rocket

This is a fun one my kids really enjoyed. You can see when the rocket took off, and it caught them off guard.

You can build a rocket from stuff you have at home already, but we decided to buy a kit with the rocket already. If you want to check out the baking soda rocket kit, we ended up getting, you can follow this link to see the current price.

The kit will come with instructions but you’re going to set your base on solid grown, away from anything you don’t want messy.

Put vinegar in the bottle. Then add the baking soda. Quickly push the cork down into the opening. Set the rocket down, and a few seconds later, the rocket will take off.

Safety Tips

Remember to use basic safety precautions when trying this experiment. At large amounts, this can be somewhat explosive (in a good way). If you have limited space, try using smaller amounts of each substance.

If you are trying for a HUGE reaction, go outside. Eye protection is highly recommended when performing this experiment, especially at high volumes.

Don’t stand directly over the container – make sure to keep your distance. Have plenty of towels and clean up supplies ready to go.

Questions and Answers About Mixing Baking Soda and Vinegar Together

What Happens When You Mix Vinegar and Baking Soda Together?

When you mix baking soda and vinegar, a chemical reaction occurs. The chemical reaction creates carbon dioxide gas, which causes the mixture to fizz.

What Affects the Rate of the Baking Soda and Vinegar Reaction?

Temperature will affect the rate of the baking soda and vinegar reaction. Higher temperatures will cause a faster reaction, while colder temperatures will cause a slower reaction.

Does Baking Soda and Vinegar Get Hot?

No, baking soda and vinegar will actually get cold. This is because it is an endothermic reaction, which consumes energy.

What Is the Chemical Reaction of Vinegar and Baking Soda Called?

The chemical reaction of vinegar and baking soda is called an acid-base reaction. When an acid (vinegar) is combined with a base (baking soda), it creates something new (carbon dioxide gas).

Wrapping Up

We like that these are simple and relatively mess free science experiments you can do at home. There’s a ton of ways of mixing baking soda and vinegar together, but let us know what you and your family found to be the best way down in the comments!

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Vinegar and Baking Soda Reaction Experiments

From creating bubbling volcanoes to exploring the properties of acids and bases, vinegar and baking soda offer fun opportunities for hands-on learning and experimentation. 

So grab a bottle of vinegar and a box of baking soda, and get ready to have some fun!  We’ll explore some of the many experiments and activities you can do with these two versatile ingredients. Get ready to be amazed by the science behind the fizz! 

The Science and Chemistry of Vinegar and Baking Soda

The reaction between vinegar and baking soda is often used in science experiments to demonstrate chemical reactions or to create a gas that can be used to inflate a balloon or make a homemade volcano. It’s a simple and fun way to explore chemistry and learn about the properties of acids and bases., and we’ve done experiments with this chemical reaction a bunch of times.

The chemical equation for combining vinegar (acetic acid) and baking soda (sodium bicarbonate) is:

This reaction produces water, carbon dioxide gas, and sodium acetate (CH3COONa). This produces carbon dioxide bubbles, as the production of carbon dioxide gas is what gives the mixture its characteristic fizzing and bubbling. The overall reaction can be written as an acid-base reaction, with the acetic acid (vinegar) acting as the acid and the baking soda acting as the base.

Activities with Vinegar and Baking Soda

Remember to have some paper towels or rags on hand!  You can do what you can to try and contain the fizz and the mess, but always expect to be wiping up and prepare before you start mixing.

Make a Volcano

Apple volcano.

During our experiments with apples , we cored out an apple to use as a variation of the classic volcano.  We placed the baking soda in the apple and poured the vinegar over it.

Create a fizzy reaction

Inflate a balloon.

Most people fixate on the fizz and foam created when doing this experiment. The byproduct of the vinegar solution is carbon dioxide gas, which is invisible.  By sealing the reaction in a closed space, we can “see” the results as the balloon gets inflated.  Check it out in our experiments with plastic bottles .

Pro tip: make sure your balloon doesn’t have a hole in it! 

Vinegar and Baking Soda Rocket Fuel

If you tried the experiment to inflate a balloon, you saw how the byproduct gas expands and inflates the balloon.  What if there was no where for the gas to expand?  It’d create increased pressure in a confined space until it stopped expanding – or it’d build up enough pressure to expand further.  

Materials needed:

The reaction between baking soda and vinegar produces carbon dioxide gas, which creates pressure inside the corked bottle. This pressure builds up until it’s strong enough to push the cork out of the opening, propelling the bottle upwards. The fins at the bottom of the bottle provide stability and keep the rocket flying straight.

Check this out and more in our post on experiments with plastic bottles.

Explore the properties of acids and bases

As you make small tweaks, note the effects of each.  Remember to use the scientific method and make a hypothesis before testing it!

Invisible Ink with Vinegar and Baking Soda

Make a ball.

Science involved: When vinegar (acetic acid) and baking soda (sodium bicarbonate) are mixed together, they undergo a chemical reaction that produces carbon dioxide gas. This gas gets trapped in the dough-like mixture formed by adding cornstarch, causing the mixture to expand and become bouncy. 

Wrap Up – Vinegar Experiment with Baking Soda

Check out our STEM challenges with household products for more quick and easy experiments for kids, and check out our kitchen science experiments!

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Wonder of the Day #1861

What Happens When You Mix Vinegar and Baking Soda?

SCIENCE — Physical Science

Have You Ever Wondered...

• What happens when you mix vinegar and baking soda?
• Why do vinegar and baking soda react the way they do?
• What types of substances are baking soda and vinegar?
• Baking Soda ,
• Ingredient ,
• Sodium Bicarbonate ,
• Acetic Acid ,
• Carbonic Acid ,
• Sodium Acetate ,
• Decomposition ,
• Carbon Dioxide ,
• Chemistry ,

Today’s Wonder of the Day was inspired by Ngatau. Ngatau Wonders , “ What Would Happen If Vinegar And Baking Soda Combined? ” Thanks for WONDERing with us, Ngatau!

How hungry are you when you get home from a busy day at school? Starving ? Ravenous ? Famished ? Those are just a few of the adjectives that kids might use to describe their hunger pains when they burst through the front door.

Instead of starting on homework , the first stop many kids make is the refrigerator . If you've ever searched the refrigerator for food after school, you may have noticed that it also usually contains all sorts of other items that don't make a good after-school snack .

The door full of condiments contains items that are usually only good if they're added to something else. You're also likely to find other items that are used in the cooking process, such as vinegar. You might also find a box of baking soda intended to absorb odors in the refrigerator .

If you can't find edible food, you might be tempted to conjure up your own concoction with some of the things you found inside. Before you become a mad scientist in the kitchen, though, you should know that some of those things might not make a tasty treat.

Take baking soda and vinegar, for example. Mixing those two ingredients will get you a reaction, but it won't taste good. In the right amounts and containers, the mixture can even be downright explosive !

Baking soda and vinegar react chemically because one is a base and the other is an acid . Baking soda is a basic compound called sodium bicarbonate. Vinegar is a diluted solution that contains acetic acid .

The baking soda and vinegar reaction is actually two separate reactions. The first reaction is the acid -base reaction.

When vinegar and baking soda are first mixed together, hydrogen ions in the vinegar react with the sodium and bicarbonate ions in the baking soda. The result of this initial reaction is two new chemicals: carbonic acid and sodium acetate.

The second reaction is a decomposition reaction. The carbonic acid formed as a result of the first reaction immediately begins to decompose into water and carbon dioxide gas.

Just like carbon dioxide bubbles in a carbonated drink, the carbon dioxide (that formed as the carbonic acid decomposed) rises to the top of the mixture. This creates the bubbles and foam you see when you mix baking soda and vinegar.

If you mix a large amount of baking soda and vinegar in a small container with a narrow opening, expect an impressive eruption! Many science teachers use this simple chemical reaction to teach students about chemistry. If you've ever made a homemade volcano as a science experiment, then you know firsthand what happens when baking soda and vinegar react!

Wonder What's Next?

Tomorrow’s Wonder of the Day takes a look at a Native American art form with deep spiritual meaning!

Are you ready to experiment with baking soda and vinegar? Ask a friend or family member to help you explore the following fun activities:

• If you've never done the classic science experiment with baking soda and vinegar, what are you waiting for? Find an adult friend or family member and make a Baking Soda & Vinegar Volcano today! For fun, use a smartphone to video your volcano in action, so you can share it with your friends.
• If you don't want to make a volcano, how about making a Bubble Bomb instead? You'll need the same two key ingredients, a grown-up, and a plastic bag. Have fun experimenting with baking soda and vinegar!
• Want to take your experimentation to the next level? Check out How To Get the Best Baking Soda and Vinegar Reaction online to learn how the addition of an extra ingredient — liquid dish soap — can make your baking soda and vinegar reactions even more bubbly!

Wonder Sources

• https://www.reference.com/science/baking-soda-vinegar-erupt-6c17a2965924611c
• http://www.quickanddirtytips.com/education/science/vinegar-baking-soda-the-ultimate-cleanser
• http://www.apple-cider-vinegar-benefits.com/baking-soda-and-vinegar.html
• http://chemistry.about.com/od/chemicalreactions/f/What-Is-The-Equation-For-The-Reaction-Between-Baking-Soda-And-Vinegar.htm

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Wonder contributors.

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Zach , Zachary , kasey esther and Haley for contributing questions about today’s Wonder topic!

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Fernando Ortiz Vallarta

Hi Fernando! 

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Thanks for asking!

Hrm. That's a great question and definitely worthy of a Wonder Journey. Do let us know what you find out?

Yes it works bit yld add 12 tbsp of vinegar and 1 tbsp of baking soda. Make sure to add the vinegar first or whichever. ?

Thanks for sharing, Charity!

Yes, there is a reaction between vinegar and baking soda. Please make sure you are working with an adult and make sure you are following safety guidelines--such as wearing protective goggles! 

Regarding this baking soda and vinegar reaction. I'm puzzled, because some sites are talking about unclogging drains by using this specific reaction [website redacted]. To be honest, I've tried it, and for some reason it works in most cases. But - if those two ingredients "cancel" each other, what is the deal with this unclogging functionality? How could it work?

The acid/base does neutralize one another--but not before they have a bubbly reaction! This is how vinegar and baking soda can sometimes be used to unclog drains. Does that help, Emilia?

That's fair!

We're not sure, edwina! That would be a great thing for you to research. Let us know what you find out! 

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Hi, Arii! You're science fair project sounds really cool! Unfortunately, we can't help you come up with a hypothesis, but we can share  Wonder 1122: What Is the Scientific Method?   We'd love to hear how your project is going!

Hmm, sounds like it is the baking soda, but we encourage you to take a Wonder Journey if want to look into this further!!

Hi, kitten! The type of container shouldn't matter, as long as you're mixing the baking soda and vinegar! If it's a smaller container with a narrow opening, though, it can be more impressive!

? We're glad you like this Wonder, viv!!

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It turns into a volcano ?

Hi, i like pie!! This sounds like it would be an excellent experiment!! Why don't you take a Wonder Journey and see what you discover!! Let us know!! ?

Hi, Allan!! Try reading through this Wonder one more time to see if you can find this answer!! We would love to hear back from you to see what you discover!!

Thanks for asking, parent! We ask that Wonderopolis be listed as the author.  Since we do not list the publish date for our Wonders of the Day, you may put the date you accessed this page for information.  The following is how you would cite this page -----> "What Happens When You Mix Vinegar and Baking Soda?"   Wonderopolis.   https://www.wonderopolis.org/wonder/what-happens-when-you-mix-vinegar-and-baking-soda#comments .  Accessed 14 Aug. 2017.

Hmm...we aren't sure.  We have never tried that before.  We encourage you to try it (with adult supervision) and report back!  A science experiment!! ?

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Bella ( Mrs. Thompson's Class)

That sounds amazing!  Did you make one of those volcanoes in science class?

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Go for it!  Maybe get parental permission first.  Also, go outside.  Oh, and stand back.  Have fun!

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How are you making the faces? Let me try , B)

Totally.  What's with the shrimp, though?

Supa hot fire

The shrimp is completely random:D

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Emily Jones

Bummer.  Hate when science experiments don't quite work out the way you hope.  Glad you are learning about this, though!

i will try the bubble bomb

Good luck (and be safe)! ?

hey can i join

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Question 1 of 3

Sodium bicarbonate is more commonly known by what name?

• a baking soda Correct!
• b baking powder Not Quite!
• c salt Not Quite!
• d vinegar Not Quite!

Question 2 of 3

The reaction between baking soda and vinegar produces what gas?

• a petroleum Not Quite!
• b oxygen Not Quite!
• c carbon dioxide Correct!
• d helium Not Quite!

Question 3 of 3

Vinegar reacts with baking soda due to what substance in vinegar?

• a helium Not Quite!
• b acetic acid Correct!
• c nitrogen Not Quite!
• d iron Not Quite!

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10 AMAZING Baking Soda Experiments

July 18, 2020 By Emma Vanstone 6 Comments

Baking soda experiments or activities are a great, safe and easy way to introduce the concept of a chemical reaction to children. Baking soda is alkaline and reacts with acids such as vinegar, releasing carbon dioxide ( a gas ) and water. The fizz produced is brilliant fun for children to watch, especially if you combine it with washing up liquid ( dish soap ) to make even more bubbles or add a bit of food colouring, ice or a theme.

Note: This is an old post that I have updated, so there are now more than ten ideas!

Baking Soda Reactions

Make honeycomb.

Did you know honeycomb has lots of holes due to the addition of baking soda? Making honeycomb is a delicious way to see the bubbles made when baking soda reacts.

Baking Soda Rocket

This rocket is my favourite baking soda experiment, but it does shoot up with a bang, so take extra special care and stand well back! You’ll need to wrap the baking soda in a small piece of kitchen towel to slow the reaction down for long enough to push the cork securely into place.

Baking Soda Powered Boat

We loved making our baking soda boat , although it was tricky to get the mechanism to work correctly. It’s worth persevering with, though. It’s fun to try making several different size boats and investigate how they move when you add different amounts of baking soda and vinegar.

Monster Tea Party and witchy potions

Our monster tea party was filled with fun fizzy potions and an excellent opportunity to try baking soda as well as bicarbonate of soda. Which do you think worked the best?

If monsters aren’t your thing, how about making witchy or fairy potions?

Baking Soda Volcano

A baking soda volcano is a staple science activity for kids. Try asking children to investigate using different amounts of vinegar but keeping the amount of washing-up liquid and baking soda the same. Can they create the perfect recipe for an eruption?

Volcanos can be made using snow, sand, papier mache, LEGO or anything else you can make a basic volcano shape with.

Baking Soda Popper

My children loved these baking soda poppers . Please be careful and stand back, as these can shoot up with a little warning and a lot of force.

We experimented to discover the best baking soda and vinegar combination for a launch.

What reacts with baking soda?

This fun investigation is great for children to start thinking scientifically. We tested lots of different liquids to discover what reacts with baking soda and what doesn’t.

Remember to keep the amount of baking soda and the test substance the same.

Fizzing rocks with baking soda

Make baking soda rocks and watch them fizz! Can you hide something inside them?

Blow up a balloon with baking soda

Did you know you can blow up a balloon with baking soda and vinegar or another acid?

Baking Soda Ice Cubes

Make some colourful baking soda ice cubes and watch them fizz as you add vinegar.

Frozen Vinegar

Inspiration Laboratories froze the vinegar instead of the baking soda, which also worked brilliantly.

Dancing Raisins

Watch raisins dance around a glass due to bubbles of carbon dioxide.

Fizzy Paint

We did this many years ago but loved our fizzy paint afternoon .

Exploding Sandwich Bag

Exploding sandwich bags are always fun too! Simply pop a bit of vinegar and baking soda in a sealable plastic bag, fasten it quickly and stand back to watch!

Colour Changing Baking Soda Potions

These colour-changing potions made with red cabbage indicator are fantastic fun and easy to make too!

These change colour as the acid and then alkali is added.

Christmas Elf Lab

We very much enjoyed our magical fizzy elf lab for Christmas time too!

Do you have any more baking soda experiments to tell us about?

What is a baking soda and vinegar reaction?

If you combine an acid and an alkali, they react together to neutralise each other. Vinegar is an acid, and bicarbonate of soda is an alkali.

The reaction releases carbon dioxide gas, which is the bubbles you see. If you add washing-up liquid ( dish soap ) to your eruption, mix the bubbles making the washing-up liquid bubble up, giving you an extra bubbly mix.

Don’t forget we’ve got 100s more easy science experiments for you to try at home or school!

Last Updated on April 9, 2024 by Emma Vanstone

Safety Notice

Science Sparks ( Wild Sparks Enterprises Ltd ) are not liable for the actions of activity of any person who uses the information in this resource or in any of the suggested further resources. Science Sparks assume no liability with regard to injuries or damage to property that may occur as a result of using the information and carrying out the practical activities contained in this resource or in any of the suggested further resources.

These activities are designed to be carried out by children working with a parent, guardian or other appropriate adult. The adult involved is fully responsible for ensuring that the activities are carried out safely.

Reader Interactions

May 03, 2014 at 5:05 pm

We love the baking soda experiments – and there are several here we haven’t tried! These will keep us busy for awhile!

May 05, 2014 at 7:02 am

Loving the baking soda ideas – we’ve tried a volcano before. Will have to try some more.

May 06, 2014 at 12:49 pm

Thanks Erica 🙂

September 08, 2016 at 8:17 pm

this was so helpful in help of finding fun and new experiments thank you to the creators of this.

June 10, 2017 at 5:30 pm

We have done every single one of these experiments before we even looked at this website and they were really cool.

March 05, 2018 at 9:24 pm

i found a science project but it calls for 80% vinegar. where can i find it

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Make Hot Ice From Baking Soda and Vinegar

Hot ice is another name for sodium acetate (CH 3 COONa or NaOAc). It is the sodium salt of acetic acid, which is the key component of vinegar. Hot ice gets its name from the way it solidifies. A solution of sodium acetate supercooled below its melting point suddenly crystallizes. Heat is released and the crystal resemble ice so… “hot ice.” All you need to make sodium acetate and crystallize it into hot ice is baking soda and vinegar. It’s a great chemistry demonstration because it illustrates chemical reactions, supercooling, crystallization, and exothermic processes . From start to finish, the project takes less than an hour. Once you have the sodium acetate, you can melt and crystallize it over and over again.

You only need two ingredients, plus a pan and stove:

• 1 liter Vinegar (weak acetic acid)
• 4 tablespoons Baking soda (sodium bicarbonate)

The quantities of baking soda and vinegar are not critical so long as all of the baking soda dissolves. If measuring the ingredients isn’t an option, just dissolve baking soda in vinegar until no more dissolves, filter off the liquid using a coffee filter or paper towel to remove any solids, and proceed from there.

Be sure to use plain white (clear) vinegar and not cider, red wine, or some other colored vinegar. You can substitute sodium carbonate (washing soda) or sodium hydroxide (caustic soda or lye) for the baking soda. If you have access to pure sodium acetate (inexpensive online), you can skip the procedure to make it and go directly to the step for re-using it.

• The first step is reacting the baking soda and vinegar . Stir baking soda into vinegar a little at a time. If you add it all at once, you’ll basically get the classic baking soda and vinegar volcano and could overflow your pan! The reaction between baking soda and vinegar produces sodium acetate, water, and carbon dioxide gas: Na + [HCO 3 ] –  + CH 3 –COOH → CH 3 –COO –  Na +  + H 2 O + CO 2 However, at this point there’s too much water for the sodium acetate to crystallize.
• Next, concentrate the solution by boiling it. It took me about an hour at medium heat to reduce the volume from a liter to about 100-150 milliliters. Don’t use high heat because you may get discoloration (golden or brown). The discoloration doesn’t ruin the sodium acetate, but the hot ice will look a bit like you made it from yellow snow. You’ll know you’ve boiled off enough water when a crystalline skin starts to form on the surface of the liquid.
• Once you see a skin, immediately remove the pan from the heat. Carefully pour the liquid into a clean container and cover the new container with plastic wrap or a lid to prevent further evaporation. You should get crystals in the pan, which you can use as seed crystals for activities, but the liquid in the new container should not contain any crystals. If you do have crystals, stir in a very small volume of water or vinegar to dissolve the crystals. If the entire solution crystallizes, add more water and go back to the stove to boil it down again.
• Place the covered container of sodium acetate solution in the refrigerator to chill it. It’s also fine to let the solution cool to room temperature on its own, but this takes longer. Either way, reducing the temperature produces a supercooled liquid. That is, the sodium acetate remains liquid below its freezing point.

Hot Ice Activities

Solidification of sodium acetate is the basis for one type of hot pack , but it’s also great for crystallization demonstrations. Three popular activities are the “sea urchin,” “flower,” and “tower.”

• Sea Urchin : Pour the cooled liquid into a clear container. Use a toothpick or bamboo skewer to scrape a few sodium acetate crystals from the pan used to make the solution. Dip the toothpick into the liquid so the tip with crystals are in the middle of the container. Needle-like crystals immediately grow out from the center. Also, crystallization releases heat as chemical bonds form to make the solid. The final structure resembles a spiny sea urchin.
• Flower : Pour the cooled sodium acetate liquid into a flat dish (preferably a dark-colored one). Scrape one or more crystals from the pan and drop them onto the liquid. The crystals act as seeds . The hot ice crystals spread out radially and form structures that resemble flowers.
• Tower : Place a few crystals onto a surface. Slowly pour the liquid onto the crystals. The hot ice solidifies as you pour the liquid, forming a tower (or whatever shape you can manage).

Re-Using Hot Ice

Save the solid sodium acetate so you can use it again without going through the whole baking soda-and-vinegar process. Simply dissolve the hot ice in water and boil off the smaller amount of excess water.

Safety Information

Sodium acetate is a safe, non-toxic chemical, so it’s perfect for chemistry demonstrations. It is used as a food additive to enhance flavor and is a key ingredient in some chemical hot packs. The heat released by hot ice crystallization of a refrigerated solution doesn’t present a burn hazard. However, making hot ice from baking soda and vinegar does involve boiling liquid on a stove, so adult supervision is required. If you use sodium hydroxide in place of baking soda, heed the cautions on the product label.

• ChemEd Xchange (2019). “ Crystallization of Supersaturated Sodium Acetate – Demonstration .”
• Clayden, Jonathan; Greeves, Nick; Warren, Stuart; Wothers, Peter (2001). Organic Chemistry (1st ed.). Oxford University Press. ISBN 978-0-19-850346-0.
• Seidell, Atherton; Linke, William F. (1952). Solubilities of Inorganic and Organic Compounds . Van Nostrand.

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Hands On As We Grow®

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35 Exploding Baking Soda and Vinegar Experiments for Kids of All Ages

Science Toddlers Grade School Kindergartners Preschoolers Experiment Kitchen Resources 3 Comments

Try one of these 35 science experiments that you can do with two simple ingredients you probably already have at home – baking soda and vinegar.

Simple science experiments are great for all ages.

They don’t always go as planned.

But that’s part of experimenting and learning.

Adjust accordingly and try again.

I am more likely to do science experiments that use basic household supplies.

After all, who wants to wait to go shopping before doing a science experiment?

Don’t let the excitement of doing an experiment fizzle away.

Mixing baking soda and vinegar is a blast, so you are sure to enjoy these 35 science experiments for kids.

Before even starting, figure out the best baking soda to vinegar ratio.

We did it and discovered that using 12 parts vinegar to 1 part baking soda resulted in the biggest fizziest explosions.

See the details here: Mega Baking Soda to Vinegar Ratio Experiment

Erupting Volcanoes with Baking Soda and Vinegar

Go with the flow with these erupting baking soda and vinegar volcano experiments.

I hope you lava them as much as I do!

Keep the mess to a minimum by going outside or keeping the volcanoes contained in a baking dish.

• Create an erupting apple volcano as seen on Little Bins for Little Hands. Then check out these 40 easy apple activities for kids to experiment, create, and learn for more apple themed learning.
• Scoop out the insides of a watermelon for a watermelon volcano shown on Natural Beach Living. And then enjoy a yummy snack when done.
• Fill a tray with plastic egg volcanoes found on Little Bins for Little Hands.
• Repurpose a salt shaker for a salt shaker volcano as seen on Science Kiddo. Wrap the baking soda in tissue paper, toss it in the vinegar, and quickly put the lid on to create a geyser of baking soda and vinegar.
• Practice colors with a color changing volcano shown on Preschool Inspirations. A video is available to watch this active volcano.
• Use small containers for a rainbow volcano found on Messy Little Monster. Pair this activity with a frozen rainbow science experiment for kids .
• Be wowed with a colorful volcano as seen on Hello Wonderful. Making a sensory bin with this erupting volcano is a hands-on creative idea.
• Build a homemade volcano shown on Fun With Mama. A plastic or glass bottle and some sand work great.
• Construct a ketchup volcano found on Kindergarten Worksheets and Games. Ketchup has vinegar in it, so technically, this is another vinegar and baking soda experiment. Plus it’s red like lava!

Dancing with Baking Soda and Vinegar Experiments

You put a little boogie in a tissue to make it dance.

But how do you make apple seeds , popcorn seeds, raisins, rice, gummy worms, and candy dance?

Try these baking soda and vinegar experiments! What else can you make dance?

• Use the apple seeds from the erupting apple volcano experiment for dancing apple seeds as seen on J Daniel 4’s Mom.
• Become a magician with dancing popcorn seeds found on Little Bins for Little Hands. Abracadabra!
• Experiment with dancing raisins shown on Science Sparks. Do raisins sink or float?
• Add color to a dancing rice experiment as seen on Green Kid Crafts. Do all kinds of rice dance?
• Cut gummy worms in quarters and soak them in baking soda for this dancing worms experiment as seen on Playdough to Plato. Does it matter how long you soak the worms in baking soda?
• Start a conversation with these dancing candy hearts found on Kindergarten Worksheets and Games. What other candy can you make dance?

FREE Science Experiments Download!

Creating Art with Baking Soda and Vinegar

Don’t draw the line with baking soda and vinegar experiments just yet. Create some fizzy, popping art work!

• Mix together some baking soda paint as seen on Housing a Forest. Spread this thick, goopy paint on to cardboard or thick paper with a spatula.
• Create some fizzy art found on Typically Simple. No pipette, no problem! Try using a medicine syringe or a turkey baster.
• Explore space with fizzy galaxy art shown on The Pinterested Parent. It’s a beautiful out-of-this world creation.
• Play with a fizzy painting as seen on Rainy Day Mum. Messy but fun!
• Make rainbow art found on The Best Ideas for Kids. The colors might all mix together in the process, but that’s okay!
• Build a textured fizzling volcano as seen on The Craft at Home Family. A free template is available.

Experimenting More with Baking Soda and Vinegar

Who knew you could do so many experiments with baking soda and vinegar? Here are even more simple baking soda and vinegar experiments to try at home with kids.

• Assemble a fizzy sensory bin found on Wild Flower Ramblings. Add shells, little rocks, and toy underwater creatures for an ocean theme.
• Experiment with color reaction using baking soda and vinegar! What color does blue and yellow make? Green!
• Learn what ratio of vinegar and baking soda creates the best chemical reaction with a ratio experiment . Chart your results.
• Become a mad scientist in a fizzy potion lab found on Little Passports. Any cup should work.
• Blow up a balloon without using your mouth. Will the filled balloons fall to the ground or rise in the air once they are tied shut?
• Uncover a magic treasure rock shown on Growing a Jeweled Rose. What treasure will you find?
• Compare frozen vinegar with frozen baking soda as seen on Play of the Wild. This is a great hands-on chemistry experiment.
• Build a chemical reaction car found on Left Brain Craft Brain. Does the amount of baking soda and vinegar affect the speed?
• Blast off with a launching rocket as seen on Babble Dabble Do. Does the weight of the rocket affect the distance it travels?
• Play in water with a STEAM boat shown on Tiny Beans. Anchors away!
• Decorate a STEAM sailboat found on 123 Homeschool 4 Me. Does the design of the boat matter?
• Investigate clean and green pennies as seen on Mom Brite. Make pennies sparkle and turn them green with this experiment.
• See a disappearing egg shell shown on Premeditated Leftovers. Simply put an egg in a jar of vinegar and wait a couple of days.
• Watch all of the bubbles form with this disappearing sea shells activity found on Little Bins for Little Hands. A shell in vinegar for a little bit is a clean shell. But left in vinegar for too long, it may disappear!

What is your favorite baking soda and vinegar activity?

About Brigitte Brulz

Brigitte Brulz is a homeschooling mom of two daughters, wife of her high school sweetheart, and author of Jobs of a Preschooler and Pickles, Pickles, I Like Pickles. She offers free coloring pages and activity ideas on her website at BrigitteBrulz.com .

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Science Fun

Baking Soda And Vinegar Volcano Kitchen Science Experiment

In this fun and easy kitchen science experiment for kids, we’re going to use baking soda and vinegar to create an erupting volcano. 

• Measuring cup
• Baking soda
• Liquid dish soap
• Red food coloring
• Baking pan or plastic bin
• Plastic water bottle

Instructions:

• Fill the plastic water bottle about halfway full with baking soda.
• Add a squirt or two of dish soap to the bottle. 
• Pile the sand up around the plastic water bottle to make it look like a volcano. Be sure to leave the mouth of the bottle open and unobstructed.
• Measure out ½ cup of vinegar.
• Add a drop or two of red food coloring to the vinegar.
• Pour the vinegar into the plastic water bottle and observe.

EXPLORE AWESOME SCIENCE EXPERIMENT VIDEOS!

How it Works:

The baking soda is a base and the vinegar is an acid. When the acid and base combine, an endothermic reaction occurs and releases carbon dioxide. The carbon dioxide gas rushes toward the bottle opening and also causes the dish soap to foam. The gas and foam quickly fill the bottle an erupt from the top and causes a cool looking “lava flow” down the side of your volcano. 

Make This A Science Project:

Try different amounts of vinegar. Try different amounts of baking soda. Try different sized and shaped bottles. 

EXPLORE TONS OF FUN AND EASY SCIENCE EXPERIMENTS!

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Step-by-Step Guide to Creating a Baking Soda and Vinegar Balloon

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What better science experiment to do when discussing the earth’s atmosphere than the classic baking soda & vinegar experiment ?

This idea I credit to my middle son.

You see, I bought adorable earth balloons and stashed them away in my secret science shelves (also known as “my pantry”). Well, he discovered these balloons and begged for a “baking soda vinegar reaction activity” and how could I not deliver?

My boys would choose to do science experiments all day long and that is quite all right with me. They tinker, they build, and they iterate along the way. This type of activity is critical.

The iteration as an experiment fails is key to embracing failure a la Carol Dweck’s Growth Mindset approach (an amazing book by the way – see below for a list of resources mentioned in this post).

Baking Soda & Vinegar Reaction

What happens when you mix baking soda & vinegar.

My secondborn discovered these balloons and probably thanks to some youtube video begged to have access to the baking soda and vinegar. My sons cannot get enough of science.

We are a lab on most days experimenting with various substances and reactions.

Celebrate Earth Day with this fun baking soda and vinegar experiment with balloons!

How could a mom resist? Really?

Seriously, look at that face. Such awe. I can’t resist.

Baking Soda Vinegar Science

This experiment is so incredibly easy to put together. Plus the learning is hands-on and kids’ jaws drop when they observe the reaction.

Materials for this Activity

• Earth balloons
• White vinegar
• Baking Soda
• Plastic Bottle

Baking Soda and Vinegar – Science Process

• Gather your materials
• Place the balloon opening around the opening of the funnel
• Pour a cup of baking soda using a funnel to fill the balloon halfway or so
• Use the funnel to fill the plastic bottle with a cup of white vinegar
• Place the balloon opening around the mouth of the bottle
• Hold the balloon up so the baking soda falls into the bottle
• Observe & grab some paper towels

Nothing has such power to broaden the mind as the ability to investigate systematically and truly all that comes under thy observation in life. ~ Marcus Aurelius

The Science Behind Baking Soda & Vinegar Chemistry

Baking soda and vinegar have chemistry. Furthermore, we know that these two substances react with each other because of an acid-base reaction.  Baking soda is bicarbonate (NaHCO3) and vinegar is acetic acid (HCH3COO). One of the products this reaction creates is carbon dioxide, which makes bubbles.

When the baking soda meets the vinegar, there is a chemical reaction as carbon dioxide gas is created and fills the balloon causing it to inflate. Carbon dioxide is an important gas in the earth’s atmosphere. Carbon Dioxide plays a vital role in regulating the earth’s temperature.  Baking soda and vinegar have an acid-based reaction, which results in the gas that fills the balloon.

Baking Soda and vinegar react chemically we know that much simply by observing the experiments. We can see the chemical reaction. What it is about the two ingredients that react in such phenomenally cool ways?

Carbon Dioxide & the Earth’s Atmosphere

Before I go I have to equip you with some back pocket scientific knowledge to impart to your children.

What is the role of carbon dioxide in our atmosphere?

Well, I am glad that you asked because carbon dioxide plays several important roles in our environment. First of all, carbon dioxide is found in the air but also in water as part of the carbon cycle. Carbon dioxide is a greenhouse gas that traps infrared radiation heat in the atmosphere.  Furthermore, it plays a crucial role in the weathering of rocks. Carbon dioxide is the carbon source for plants.

Why is Carbon Dioxide So Important?

Carbon dioxide plays a critical part in plant and animal processes. Examples include photosynthesis and respiration. Photosynthesis occurs as green plants convert carbon dioxide and water into food compounds, such as glucose, and oxygen.

How Do Humans Interact with Carbon Dioxide?

Carbonated beverages, of course! Well, that is certainly one example but there are many additional ways human beings use carbon dioxide. We also rely on carbon dioxide in baking. For instance, it is released by baking powder or yeast making cakes and other delicious food items rise.

Other uses include putting out fires with fire extinguishers. Carbon dioxide is denser than air so it works well to extinguish the fire as it suffocates or blankets the fire because it is heavier.  If oxygen cannot get to a fire, it will die out.

Carbon dioxide exists predominantly in the form of gas, but it also has a solid and a liquid form. It can only be solid when temperatures are below -78 C .  The solid form of carbon dioxide, commonly known as Dry Ice , is used in theatres to create stage fogs, to do super cool science experiments , and make things like “magic potions” bubbles.

Liquid carbon dioxide mainly exists when carbon dioxide is dissolved in water. Carbon dioxide is only water-soluble when pressure is maintained. After pressure drops the CO2 gas will try to escape to the air. This event is characterized by the CO2 bubbles forming in the water.

{Source: https://www.lenntech.com/carbon-dioxide.htm}

Further Baking Soda & Vinegar Learning

• What happens when you switch up the ratios a bit?
• Or what happens if you add dish soap or food coloring to the baking soda & vinegar explosion?
• If you want lots of fizzes, try adding a liquid soap and see how the reaction changes.
• Does more vinegar mean more bubbles? You bet it does!

If you enjoy science as we do, check out these popular posts:

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• How to Build a Balloon Rocket
• The Ultimate List of Baking Soda & Vinegar Experiments
• Chemistry For Kids- Introduce Budding Scientists to Amazing Resources

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Baking Soda and Vinegar Chemical Volcano

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The baking soda and vinegar volcano is a fun chemistry project you can do to simulate a real volcanic eruption or as an example of an  acid-base reaction . The chemical reaction between baking soda (sodium bicarbonate) and vinegar (acetic acid) produces carbon dioxide gas, which forms bubbles in dishwashing detergent. The chemicals are non-toxic (though not tasty), making this project a good choice for scientists of all ages.

Baking Soda and Vinegar Volcano Materials

eskaylim / Getty Images 

• 3 cups flour
• 1 cup water
• 2 tablespoons cooking oil
• Empty 20-ounce drink bottle
• Deep plate or a pan
• Gel food coloring
• Dishwashing detergent
• Baking soda (sodium bicarbonate)
• Vinegar (dilute acetic acid)

Make the Volcano Dough

Laura Natividad / Moment / Getty Images

You can cause an eruption without making a "volcano," but it's easy to model a cinder cone. Start by making the dough:

• Mix together 3 cups flour, 1 cup salt, 1 cup water, and 2 tablespoons of cooking oil.
• Either work the dough with your hands or stir it with a spoon until the mixture is smooth.
• If you like, you can add a few drops of food coloring to the dough to make it volcano-colored.

Model a Volcano Cinder Cone

JGI / Jamie Grill / Getty Images

Next, you want to shape the dough into a volcano:

• Fill the empty drink bottle most of the way full with hot tap water.
• Add a squirt of dishwashing detergent and some baking soda (~2 tablespoons). If desired, you can add a few drops of food coloring.
• Set the drink bottle in the center of a pan or deep dish.
• Press the dough around the bottle and shape it to look like a volcano.
• Be careful not to plug the opening of the bottle.
• You may wish to dribble some food coloring down the sides of your volcano. When the volcano erupts, the "lava" will flow down the sides and will pick up the coloring.

Cause a Volcanic Eruption

Hero Images / Getty Images

You can make your volcano erupt over and over again.

• When you are ready for the eruption, pour some vinegar into the bottle (which contains hot water, dishwashing detergent, and baking soda).
• Make the volcano erupt again by adding more baking soda. Pour in more vinegar to trigger the reaction.
• By now, you probably see why it is important to use a deep dish or a pan. You may need to pour some of the "lava" into the sink between eruptions.
• You can clean up any spills with warm soapy water. If you used food coloring, you could stain clothes, skin, or countertops, but the chemicals used and produced are generally non-toxic.

How a Baking Soda and Vinegar Volcano Works

Jeffrey Coolidge / Getty Images

The baking soda and vinegar volcano erupts because of an acid-base reaction:

baking soda (sodium bicarbonate) + vinegar (acetic acid) → carbon dioxide + water + sodium ion + acetate ion

NaHCO 3 (s) + CH 3 COOH(l) → CO 2 (g) + H 2 O(l) + Na + (aq) + CH 3 COO - (aq)

where s = solid, l = liquid, g = gas, aq = aqueous or in solution

Breaking it down:

NaHCO 3 → Na + (aq) + HCO 3 - (aq) CH 3 COOH → H + (aq) + CH 3 COO - (aq)

H + + HCO 3 - → H 2 CO 3 (carbonic acid) H 2 CO 3 → H 2 O + CO 2

Acetic acid (a weak acid) reacts with and neutralizes sodium bicarbonate (a base). The carbon dioxide that is given off is a gas. Carbon dioxide is responsible for the fizzing and bubbling during the "eruption."

• You've Got Ingredients for a Chemical Volcano
• How to Make a Baking Soda Volcano
• Take Your Volcano Science Project to the Next Level
• Equation for the Reaction Between Baking Soda and Vinegar
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• How to Make a Homemade Volcano That Smokes
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Baking Soda and Vinegar Science: 50 Fizzy Explorations for Kids

Baking and soda and vinegar science is always popular with kids. They love the fizzy reactions. I have made a list of 50 ways to explore baking soda and vinegar. Start with the classic mixing and go from there. I get commissions for purchases made through the affiliate links in this post.

50 Fizzy Ways to Explore Baking Soda and Vinegar Science

What happens in the baking soda and vinegar reaction.

Baking soda (sodium bicarbonate) is a base and vinegar (acetic acid) is an acid. When combined, they react to form water, a salt (sodium acetate), and carbon dioxide gas. The bubbles produced by the reaction are the carbon dioxide gas escaping the water. If you add soap, the carbon dioxide gas will blow soap bubbles. You’ll get stable bubbles or frothy foam depending on what type and how much soap you use.

Start Simple

Start with simple baking soda and vinegar explorations . Let your child experience the basic reaction.

Add some color and dish soap for a little extra excitement. Compare the reaction with and without dish soap.

Color surprise – Hide the liquid watercolor or food coloring under the baking soda. When vinegar is added, the color will appear.

Set up an experiment to find out what reacts with baking soda . Here’s another way to setup the baking soda experiment .

Answer the question: what makes the biggest eruption? with this experiment idea from No Time for Flashcards that compares baking soda, baking powder, and corn starch.

Exploding Baggies – See how carbon dioxide is formed through the chemical reaction. Use the reaction to explode some plastic baggies.

Blow Up a Balloon – Use the chemical reaction to blow up a balloon with carbon dioxide. Add baking soda and vinegar to a bottle. Quickly put a balloon on top to trap the carbon dioxide. The balloon will expand as the reaction occurs.

Blow Bubbles – The baking soda and vinegar reaction can also blow bubbles.

Swap vinegar for different acids to change up the explorations. Citric acid (found in the canning aisle), lemon juice, and __ are great substitutions.

See what happens when you add things to the baking soda and vinegar. Fun at Home with Kids compares the reaction when adding bubble solution and dish soap.

Also try adding corn starch, flour, salt, or other edible things from your kitchen. Does anything make the reaction bigger? Does anything prevent the reaction?

Use Kool Aid instead of vinegar for a fun sensory experience and add a secret ingredient to make the eruptions giant ! Learn Play Imagine has the details.

Fizzy Color Mixing Experiment – add different colors to your vinegar and explore how the colors can mix.

Red cabbage can be used to create color changing fizzy potions . This is one of our absolute favorites.

Add baking soda to snow (or crushed ice) and make fizzy snow !

Write secret messages with baking soda – The baking soda makes invisible ink. An acid like grape juice or lemon juice will reveal the secret message.

Make a lava lamp with baking soda and vinegar. Watch the how-to video .

Build a baking soda rocket . Science Sparks has the instructions.

Science Sparks also shows us how to make a baking soda powered boat .

Baking Soda and Vinegar Volcanoes

Baking soda and vinegar volcanoes are a fun science exploration for kids.

Learn how to make a tape volcano or check out 10 ways to make a volcano .

A pocket volcano is a fun way to watch the baking soda and vinegar reaction.

See our collection of volcano books, science kits, and toys.

Volcanoes don’t really erupt like a simple baking soda and vinegar reaction. Learn how to change up the recipe and to create different kinds of volcanoes .

Make a fizzy slime volcano . Little Bins for Little Hands combines two kid favorites with this one.

Fizzy Doughs

If your dough includes baking soda, it will react with vinegar.

Take the baking soda clay and use it to make a fizzy snowman .

Create a fizzy snow dough sensory bin .

Fizzy Coconut Lime Play Dough – a lovely sensory experience! This dough is super soft because of the combination of cornstarch and coconut conditioner. The smell is amazing. The addition of baking soda to the dough makes it fizz when you add vinegar.

Fizzy Valentine Play Dough – another soft and squishy dough that fizzes and bubbles when you add vinegar. This one has the lime replaced with liquid water colors for a valentine theme.

Halloween Fizzy Play Dough – same recipe as above just orange for Halloween.

Fizzing Pinkalicious Cupcake Experiment – Can you create fizzing pinkalicious cupcakes with the ingredients provided. What combination produces the best/most fizz?

Baking Soda Painted Leaves – Combine baking soda and vinegar with paint to create a fun fall themed STEAM activity.

Baking Soda Painted Apple Art – This apple themed STEAM activity again uses baking soda and vinegar to paint apples.

Baking Soda Painted Pumpkins – We also used the fizzy baking soda and vinegar reaction to paint pumpkins.

Baking Soda Painted Christmas Tree – Paint with baking soda and vinegar to make a Christmas tree.

Fizzy Spider Web Art – Sprinkle baking soda on a spider web drawing. Add colorful vinegar for a wonderful STEAM process activity. Take photos because this project does not save well. It’s all about the process.

Frozen vinegar hearts are one of our most popular ideas. Also try the summer version of frozen vinegar . You can freeze it into any shape. Freezing slows down the reaction. You will get fewer or slower fizzy bubbles.

Frozen Baking Soda Pumpins – Freeze baking soda shaped like pumpkins. Use vinegar to react with the baking soda and rescue the treasures hidden inside.

Frozen Baking Soda Dragon Eggs – Our favorite frozen baking soda idea. Help the dragons hatch from their eggs in this frozen, fizzy activity.

Make It Halloween Themed

Halloween Science: Baking Soda & Vinegar Exploration – Use halloween themed cookie cutters and orange vinegar.

Fizzy juice potions lab – Fruit juice, candy, and Halloween decorations create a delicious and fun potions lab.

What’s in the Witch’s Kitchen? Science Exploration and Potions Lab – another version of our potions lab with Halloween themed food inspired by the book, What’s in the Witch’s Kitchen?

Make It Valentine Themed

Melting Hearts Word Search – Use frozen baking soda to hide letters. Vinegar reveals the hidden letters by “melting” the heart-shaped baking soda.

Valentine Heart Bubble Painting – Use the baking soda and vinegar reaction to create bubbles and make art.

Valentine Potion and Tasting Experiment – Make your own fizzy fruit drink.

Candy Heart Reactions – Will valentine candy hearts react with baking soda or vinegar? Set up an experiment to find out.

Candy Heart Ingredients Experiment – This candy science experiment tests which ingredient in candy hearts reacts with baking soda.

Dancing Candy Hearts – Use the baking soda and vinegar reaction to make candy hearts appear to dance.

Make It Christmas Themed

Christmas Science: Baking Soda, Vinegar, and Cookie Cutters – Use Christmas themed cookie cutters to explore the baking soda and vinegar reaction.

Dancing Candy Canes – Use the baking soda and vinegar reaction to make candy canes float up and down.

Fizzy Christmas Trees – Use the same technique as the Fizzy Spider Webs but draw a Christmas tree instead of a web.

What is your favorite way to explore baking soda and vinegar?

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Baking Soda and Vinegar Balloon Experiment (Plus Free Worksheet)

It’s like magic!

Kids and balloons go hand-in-hand so why not try a fun science experiment that incorporates a balloon or two? This experiment requires little more than what you already have in your kitchen cabinet. Grab a dash of baking soda, a splash of vinegar, and learn all about acids, bases, states of matter, and chemical reactions! Everyone will be amazed watching a balloon inflate without a single breath being blown.

Fill out the form on this page to grab your free printable recording sheet , and try the baking soda and vinegar balloon experiment with your little scientists!

How does the baking soda and vinegar balloon experiment work?

The baking soda and vinegar balloon experiment demonstrates a chemical reaction between an acid and a base. The baking soda acts as the base and the vinegar as the acid. When the two combine, carbon dioxide (CO2) escapes the container and causes the balloon to blow up.

What does this experiment teach?

This experiment teaches how different states of matter transform when combined. In this case, a solid (baking soda) and a liquid (vinegar) mix to produce a gas (CO2). Since carbon dioxide is the same gas that is released when humans breathe out, students will make the connection between human breath blowing up a balloon and the reaction of this experiment doing the same.

Is there a baking soda and vinegar balloon video?

This video shows how to do the baking soda and vinegar balloon experiment, using just a few ingredients.

Materials Needed

To do the baking soda and vinegar balloon experiment, you will need:

• Approximately 1/2 cup of vinegar
• Empty water bottle or similar container
• Baking soda
• Measuring spoon
• Deflated balloon

Our free recording sheet is also helpful— fill out the form on this page to get it.

Baking soda and balloon experiment steps:

1. blow up a balloon just enough to stretch it out a bit. then, use the funnel and measuring spoon to add about a teaspoon of baking soda inside the balloon..

2. Fill the water bottle or other container about halfway with vinegar.

3. Attach your filled balloon to the container with the vinegar. Make sure the seal is tight!

4. Once you’re all set up, hold the balloon up so the baking soda gets released into the vinegar.

5. Finally, watch the balloon blow up!

Grab our baking soda and vinegar balloon experiment worksheet!

Click the button below to get your worksheet. The worksheet asks kids to guess the correct order of the steps in the experiment. Next, kids must make a prediction about what they think will happen. They can use the provided spaces to draw what happens before and after they add the baking soda to the vinegar. Did their predictions come true?

Additional Reflection Questions

• What happened when the baking soda was added to the vinegar?
• Why do you think the balloon inflated?
• Why do you think the balloon eventually stops blowing up?
• What do you think would happen if we used more or less baking soda?

Can this experiment be done for a science fair?

Yes! If you want to do the baking soda and vinegar balloon experiment for a science fair, we recommend switching up some of the variables. For example: Does the amount of vinegar matter? What if you run two experiments side by side with different amounts of baking soda? Which balloon filled up faster? Form a hypothesis about how changing the variables will impact the experiment. Good luck!

Looking for more experiment ideas? Check out our  big list of science experiments.

Plus, be sure to  subscribe to our newsletters  for more articles like this., you might also like.

Mentos and Coke Experiment: How-To Plus Free Worksheet

This explosive experiment teaches kids about physical reactions. Continue Reading

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Exploding Baking Soda and Vinegar Bags (a STEM Activity)

by Sarah | Activities , Learning , Science | 1 comment

Are you looking for an exciting STEM activity for kids? Try making exploding baking soda and vinegar bags!  Learn how to do the activity plus how to turn it into a true experiment!

I love using baking soda and vinegar to illustrate chemistry to my kids. It’s fun. It’s easy. It’s frugal. 

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If you need a simple way to demonstrate the reaction between baking soda and vinegar, try making these exploding baking soda and vinegar bags!

This STEM activity comes together in minutes and is so much fun!

How Make Exploding Bags Using Baking Soda and Vinegar

I like this baking soda and vinegar activity because it’s a great visual representation of the gas produced when you mix the 2 ingredients.

Baking soda and vinegar don’t just make things explode, it also produces carbon dioxide gas!

This is a simple activity. All you need is:

• a ziploc bag
• baking soda

That’s it! Simple, right? I’m sure you have all of the supplies in your kitchen right now. 

To set up this experiment, pour a little vinegar into the bottom of a ziploc bag. 

Then twist the bag up really well. You don’t want the reaction to start before you are ready!

Next add baking soda to the top of the bag. Seal the bag really well. 

Now you’re ready to make the bag explode!

Let go of the bag and let it untwist itself and mix the baking soda and vinegar.

Depending on the amounts of baking soda and vinegar you used, you may want to stand back. 

We tossed our bag in the air a bit so it landed away from us and it untwisted really easily. 

As the baking soda and vinegar reaction occurs you should see the bag start to inflate. If the pressure gets too great inside the bag it will explode!

How Does This Experiment Work?

Baking soda is a bicarbonate(or NaHCO3) and it is a base. Vinegar is acetic acid (or HCH3COO), which of course is an acid.

When these 2 combine a chemical reaction occurs and a a result of this chemical reaction, carbon dioxide gas is produced. (Here’s a more exact description of what happens during the reaction )

That carbon dioxide gas is what causes the bubbles and  explosions kids love. It’s also what causes the bag to blow up in this experiment. 

Follow up the discussion with this fun  Acids and Bases Experiment  to help kids determine what are acids and what are bases. 

This bag has been taped shut to increase the strength of the seal

How to Extend This Baking Soda and Vinegar Demonstration

As is, this experiment is merely a demonstration that help to visually show what happens when the chemical reaction between baking soda and vinegar takes place. 

So how can you turn it into a real experiment? By adding in variables!

Adding in variables can help make your kids think. They can make guesses (hypotheses) and test them out to see if they are right. Here are some variables you can add in to extend the exploding bag activity:

• Set up a few different bags, use different amounts of vinegar in each bag. Use the same amount of baking soda. 
• Set up a few different bags, use different amounts of baking soda in each bag. Use the same amount of vinegar. 
• Change the size of the bag. Try quart or gallon bags. 
• Increase the strength of the seal. Try using duct tape to seal the bag better. 
• Dilute the vinegar with water. 

Try all of these different variations and see how things change. 

And don’t forget to ask questions! 

• WHAT changed?
• WHY did it change?
• HOW did it change?

Observing and questioning helps kids to really think about the reasons things happen and it extends the learning in any activity. 

Looking for more Baking Soda and Vinegar Activities? Check out the activities below:

7 Baking Soda and Vinegar Activities for Kids!

More STEM Activities You May Like:

Take a Math Scavenger Hunt

Fun Chemical Reaction Experiment for Kids That Gives Off Heat!

Oil and Water Sensory Bag for Science Exploration

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Good Afternoon!

I am planning to do the Baking Soda and Vinegar Exploding Bag experiment with my first graders this week and was wondering if you have and worksheet that goes along with the experiment or if you have any suggestions on where I might can find one! Thanks so much!

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