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Self Inflating Balloon: Baking Soda and Vinegar Balloon Experiment
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Have you ever tried the baking soda and vinegar balloon experiment? This classic science experiment is really one of my favorites. It is an easy science experiment to do and it really is exciting to watch. It creates a self-inflating balloon that kids think is the coolest!
The reaction between the baking soda and vinegar cause the balloon to inflate all on its own! It is a show-stopper experiment for kids.
(See more of my STEM projects for kids.)
How to Do the Baking Soda and Vinegar Balloon Experiment:
Supplies you will need for this simple science experiment:.
Plastic empty water bottle or soda bottles, cleaned out Large Balloon White Vinegar (acetic acid) Baking Soda (or sodium bicarbonate) Small Funnel Spoon
TIP: Before starting the experiment, you will want to stretch out the balloon to make it more loose and easier to inflate.
Step 1- Pour 1-2 spoonfuls of baking soda into the opening of the balloon, using a funnel. You’ll need to shake it a bit to get it down into the base of the balloon.
Step 2- Use the funnel again and pour some vinegar into the empty plastic bottle until it is about an inch or two deep- maybe a few tablespoons of vinegar. Exact amounts do not matter. Add a few drops of food coloring to change it up if you want- totally unnecessary.
Step 3- Carefully stretch the opening of the balloon around the mouth of the bottle leaving it hanging down until you are ready for the reaction.
TIP: Don’t let any of the baking soda dump into the bottom of the bottle while attaching it.
Step 4- When you are ready to see the chemical reaction happen, lift up the balloon allowing the baking soda to fall down into the bottle.
This is when the fun starts! Baking soda and vinegar mix to create an awesome chemical reaction. The gas from combining the two will escape as bubbles of carbon dioxide gas that cause the balloon to inflate. It’s impressive. The more gas there is created, the larger the balloon will get.
Your kids, if they are anything like mine, will beg to do the experiment again, then 10 more times! This is really a perfect science project for kids to try on their own.
If you do repeat it, you will need fresh vinegar in the bottle. Once a reaction happens, it is not quite so strong the second time through. The balloon does not usually inflate again unless the vinegar is fresh.My kids were amazed and wanted to do it again and again and again. Stock up on baking soda and vinegar if you are planning this one! Luckily they are both quite inexpensive.
(It’s a good thing they are both so cheap!)
The Science Behind It: Why the Baking Soda and Vinegar Reaction Works?
When the baking soda and vinegar reaction happens, it is an acid-base reaction. Vinegar is the acid and baking soda is the base. This reaction between the two causes a gas called carbon dioxide to bubble and foam. This gas having nowhere else to go, expands the balloon making the self-inflating balloon happen.
Here is the chemical equation behind it: Baking soda + vinegar — yields carbon dioxide + water + sodium ion + acetate ion There is more to it than that, but that’s the basic explanation.
Try some variations to see if other reactions work:
Will baking powder work instead of baking soda?
Would lemon juice work instead of vinegar?
Could you do the same thing with an alka-seltzer tablet and soft drinks?
Use the scientific method to investigate different variations on this experiment to see how they work.
Want More Baking Soda and Vinegar Experiments?
We love the carbon dioxide reactions that these two substances create.
Check out these other ones we have done:
Easy Bottle Rocket Experiment
Bathtub Bottle Rocket
Film Canister Rocket Experiment
How to Make a Volcano experiment! (This one is fun because when the eruption occurs, the carbon dioxide bubbles pour over like lava!
Former school teacher turned homeschool mom of 4 kids. Loves creating awesome hands-on creative learning ideas to make learning engaging and memorable for all kids!
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What a great idea! I can’t believe I haven’t heard of this experiment. My girls are 12 and 11 and still love doing at home science projects. Although they use Time4Learning science curriculum it is always fun to do your own.
Thanks for the idea!
Awesome! I’m making a list of simple, fun experiments to do this summer, and I’m adding this one to it! We don’t seem to get to these types of experiments during the regular school year! Stopping by from HHH and new follower! Thanks for sharing your experiment!
My boys loved this experiment too. 🙂
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I do experiments with 4 year old grandson, he loves this one. We did the volcano as well and now he explains what happens to everyone he wants to show it too. Thank you for sharing, it is fun teaching when the things work as well as yours.
fantastic from a grammy
Nice , it is possible to send easy experiments for kids with the help of video
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![self inflating balloon experiment instructions All the instructions and explanation for this simple science project that you can do with kids.](https://www.gallykids.com/wp-content/uploads/2017/01/self-inflating-balloon-sq-sm.jpg)
Self Inflating Balloon Science Experiment: An Easy Science Project To Do With Kids
My son hates blowing up balloons [thanks to a balloon that blew up on his face once]. So this self inflating balloon science experiment is one he likes.
It’s very easy to do too. And if your child is looking for a science project to do this year , you might want to have a look at this experiment.
Topics : chemistry, air, carbon dioxide, balloon experiments , kitchen science
You will need:
- baking soda
- small glass bottle
The Self Inflating Balloon In The Gally Kids Headquarters
We did this experiment one Saturday afternoon when my son was just getting a little bit tired of all the educational experiments and activities we were doing (something I had planned for a series of videos on our Gally Kids Youtube channel ).
So I ended up doing a lot of the work while he watched the experiment (while playing with his Ultra Stealth Rider) and saying “Oh, it’s just like the erupting volcano!”
So yeah. If you have a child who has done an experiment with vinegar and baking soda ( or have one of the preschooler Chemistry science kits – which usually has this experiment included ) you’ll probably get exactly the same reaction.
But we are testing a different thing in this self inflating balloon experiment.
We’re showing the “explosion”. Instead, we’re showing them that a new gas is formed when these two things react with each other.
The baking soda went in first.
Well, to be honest, I did the vinegar first- which is a huuuge mistake! This meant that the funnel got wet and the baking soda wouldn’t get stuck to the funnel instead of flowing straight into the balloon.
So don’t do that.
![self inflating balloon experiment instructions Step 1: The baking soda. Make sure you do this first.](https://www.gallykids.com/wp-content/uploads/2017/01/self-inflating-balloon-sm.jpg)
After the baking soda, put the vinegar in the glass bottle.
Now a side note to the bottle. We used a small bottle here. And I suggest you do the same for a bigger and more spectacular balloon size.
![self inflating balloon experiment instructions Step 2: Next, pour in the vinegar.](https://www.gallykids.com/wp-content/uploads/2017/01/self-inflating-balloon-sm2.jpg)
Now comes the tricky part. This is when you put the balloon on the opening of the glass bottle. Young kids might need help with doing this properly.
Make sure that it’s tight and secure, all else, the pressure will cause the balloon to dislodge and all that air will escape.
Also when doing this, don’t let the baking soda fall into the vinegar yet.
![self inflating balloon experiment instructions Step 3: An important part. Make sure the balloon is tight and secure.](https://www.gallykids.com/wp-content/uploads/2017/01/self-inflating-balloon-sm4.jpg)
And finally, it’s time to pour all that baking soda in.
As soon as they touch each other, a chemical reaction takes place. Bubbling starts and the balloon starts to inflate. I was surprised at how big the balloon inflated.
![self inflating balloon experiment instructions Step 3: Voila! As soon as the chemical reaction takes place, the balloon inflates.](https://www.gallykids.com/wp-content/uploads/2017/01/self-inflating-balloon-sm3.jpg)
The Instructions: The Quick Version
![self inflating balloon experiment instructions Step by step instructions, explanation and images of the self inflating balloon science experiment.](https://www.gallykids.com/wp-content/uploads/2017/01/self-inflating-balloon-267x400.jpg)
- First, using the funnel, pour all the baking soda in the balloon.
- Then put the balloon aside and pour the vinegar into the small bottle using the same funnel.
- Next, carefully fit the balloon into the bottle opening. Make sure the baking soda doesn’t fall in while you’re doing this. And most importantly, make sure the balloon is tight and secure.
- Finally, pour all the baking soda in the vinegar
- Voila! your self-inflating balloon.
Self Inflating Balloon Experiment Video
Explanation.
When baking soda and vinegar mix, a chemical reaction takes place.
This chemical reaction produces carbon dioxide which you can “see” from all the bubbles.
Now all this extra air has nowhere to go except towards the balloon. And as the heavier carbon dioxide pushes the air, it inflates the balloon.
- The size of the inflated balloon will depend on many variables such as the size of the bottle and the vinegar and baking soda ratio.
- Make sure the balloon is tight and secure on the bottle opening or else it might slip off as soon as the reaction takes place releasing the carbon dioxide into the air.
Cool Science Experiments Headquarters
Making Science Fun, Easy to Teach and Exciting to Learn!
Science Experiments
Balloon Blow-up Science Experiment
Can you blow up a balloon without using your mouth? In this simple science experiment, we’re going to show you how to do it with only a few everyday items you probably already have in your home. It makes a great experiment for young children because the set-up is simple and it only takes a few minutes to get to the exciting finale.
In addition to a video demonstration and detailed printable instructions, we also have the scientific explanation of how this simple chemical reaction works making it perfect for older scientists too.
![self inflating balloon experiment instructions Balloon Blow Up Science Experiment](https://coolscienceexperimentshq.com/wp-content/uploads/2015/08/Balloon-Blow-Up-Science-Experiment-1.jpg)
JUMP TO SECTION: Instructions | Video Tutorial | How it Works
Supplies Needed
- Small Soda Bottle
- Baking Soda
Balloon Blow-up Science Lab Kit – Only $5
![self inflating balloon experiment instructions](https://coolscienceexperimentshq.com/wp-content/uploads/2023/03/Balloon-Blow-up-Lab-Kit-Product-Image-1024x1024.png)
Use our easy Balloon Blow-up Science Lab Kit to grab your students’ attention without the stress of planning!
It’s everything you need to make science easy for teachers and fun for students — using inexpensive materials you probably already have in your storage closet!
Balloon Blow Up Science Experiment Instructions
Step 1 – Start with some questions: How do you blow up a balloon? What if I told you that you couldn’t blow air into it, do you think you could still inflate (blow-up) the balloon? Then observe the supplies for the experiments. Do you think they can be use to blow up the balloon? If so how? Write down your hypothesis (prediction).
![self inflating balloon experiment instructions](https://coolscienceexperimentshq.com/wp-content/uploads/2015/08/Balloon-Blow-up-Science-Experiment-Step-1.jpg)
Step 2 – Using a funnel, pour about a third of a cup of vinegar into the bottle. We used Apple Cider Vinegar, but any type of vinegar will work.
![self inflating balloon experiment instructions](https://coolscienceexperimentshq.com/wp-content/uploads/2015/08/Balloon-Blow-up-Science-Experiment-Step-2.jpg)
Step 3 – Then insert another funnel into the mouth of the balloon. We recommend using two different funnels. One funnel for filling the bottle with vinegar and one for the balloon. However, you can do the experiment with only one funnel. Just make sure you completely wash and dry the funnel after you add the vinegar and before you put it into the balloon. This is very important.
![self inflating balloon experiment instructions](https://coolscienceexperimentshq.com/wp-content/uploads/2015/08/Balloon-Blow-up-Science-Experiment-Step-3.jpg)
Step 4 – Place two teaspoons of baking soda into the funnel so it falls into the balloon. When the balloon is filled with the baking soda, carefully remove it from the funnel.
![self inflating balloon experiment instructions](https://coolscienceexperimentshq.com/wp-content/uploads/2015/08/Balloon-Blow-up-Science-Experiment-Step-4.jpg)
Step 5 – Next, secure the mouth of the balloon over the mouth of the bottle. Take your time doing this and don’t let any of the baking soda fall out of the balloon and into the bottom of the bottle. Take a moment to make some observations. What will happen if we lift up the balloon? Write down your hypothesis (prediction) and then test to see if you were right!
![self inflating balloon experiment instructions](https://coolscienceexperimentshq.com/wp-content/uploads/2015/08/Balloon-Blow-up-Science-Experiment-Step-5.jpg)
Step 6 – While holding the bottle, lift the end of the balloon and allow the baking soda to drop into the bottle.
![self inflating balloon experiment instructions](https://coolscienceexperimentshq.com/wp-content/uploads/2015/08/Balloon-Blow-up-Science-Experiment-Step-6.jpg)
Step 7 – What happens to the balloon? Was your hypothesis correct? Wondering what caused the balloon to inflate? Find out the answer in the how does this experiment work section below.
Video Tutorial
How Does the Science Experiment Work?
When baking soda (a base) and vinegar (an acid) are mixed together they create a chemical reaction that results in the formation of carbon dioxide gas. Gases do not have a specific shape or volume, rather they expand rapidly filling their container. Gases expand rapidly because their particles move at high speeds in all directions. As the carbon dioxide gas fills the bottle, it has nowhere else to go so it begins to fill the balloon. As the carbon dioxide gas fills the balloon, the balloon inflates. The more gas that is created, the larger the balloon will inflate.
The baking soda and vinegar chemical reaction will continue to inflate the balloon as long as there is still baking soda and vinegar to react. Once the reaction between baking soda and vinegar has stopped, the balloon will slowly begin to deflate.
An acid is a substance that tastes bitter, reacts with metals and carbonates, and turns blue litmus paper red. A base is a substance that tastes bitter, feels slippery, and turns red litmus paper blue.
Other Ideas to Try
Does changing the amount of baking soda and vinegar change the size of the balloon when it inflates? What would happen if you used another acid like lemon juice instead of the vinegar? Would it react the same with the baking soda?
I hope you enjoyed the experiment. Here are some printable instructions:
![self inflating balloon experiment instructions Balloon Blow-up Science Experiment](https://coolscienceexperimentshq.com/wp-content/uploads/2015/08/Balloon-Blow-up-Science-Experiment-Step-5-1-320x320.jpg)
Instructions
- Using a funnel, pour about a third of a cup of vinegar into the bottle. Tip: I used Apple Cider Vinegar, but any kind of vinegar will work.
- Then insert another funnel into the mouth of the balloon. Tip: It is best to have two funnels, one for filling the bottle with vinegar and one for the balloon. If you only have one funnel, it is important that you completely wash and dry the funnel after you add the vinegar and before you put it into the balloon.
- Place two teaspoons of baking soda into the funnel so it falls into the balloon. Then remove the balloon from the funnel.
- Next, secure the the mouth of the balloon over the top of the bottle. Tip: Don’t let any of the baking soda drop into the bottle…yet!
- While holding the bottle, lift the end of the balloon allowing the baking soda to drop into the bottle.
- Watch in amazement as the balloon magically inflates!
![self inflating balloon experiment instructions Balloon Blow-up Science Experiment Steps](https://coolscienceexperimentshq.com/wp-content/uploads/2015/08/Balloon-Blow-up-Science-Experiment-Steps.jpg)
Reader Interactions
November 2, 2017 at 11:00 am
Yeah but don’t just eyeball the measurements of things because if you use to much baking soda it will make the baloon spring a leak and all sorts of stuff will fly out and make a big mess.
I speak form experience
Seriously, don’t do this
April 21, 2018 at 10:26 am
I did this experiment and it is perfect!
You need to hold properly the bottle when you mix the baking soda into vinegar.
May 22, 2019 at 8:57 am
We’re doing science experiments at school and this one is brilliant! I loved it a lot.
June 22, 2020 at 11:15 am
I love this experiment! My balloon grew 6 inches!
June 19, 2023 at 11:17 pm
I tried and it worked well – Exited to do such experiment
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Self-Inflating Balloon Science Experiment
The self-inflating balloon science experiment is a true science experiment that would be perfect for science fairs or a science lesson. What kids learn in this lesson is that different chemical reactions and gasses can be used to inflate balloons. The real question is, will any of the balloons be able to float?
![self inflating balloon experiment instructions What chemical reaction blows up a balloon the most? This self-inflating balloon science experiment will help you answer that question.](https://lemonlimeadventures.com/wp-content/uploads/2017/03/self-inflating-balloon-p.png)
* This post may contain affiliate links for your convenience. Click here for my full disclosure.
What you’ll need for the self-inflating balloon experiment:
- Balloons (1 for each type of inflation material)
- Plastic squeeze bottles (1 for each type of inflation material)
- Baking soda
- Measuring cup
One thing to note before starting is that the yeast balloon takes some time to inflate. You’ll want to get that started before you dive into the other ones so you can compare them at the same time. We waited about 10 minutes after starting our yeast mixture to give it time to inflate before we did the other experiments.
What mixture will inflate a balloon the best?
Hypothesis:
The kids thought that the baking soda and vinegar would make the biggest balloon because they’ve made baking soda paint bombs before, and know the power of this reaction!
![self inflating balloon experiment instructions What chemical reaction blows up a balloon the most? This self-inflating balloon science experiment will help you answer that question.](https://lemonlimeadventures.com/wp-content/uploads/2017/03/balloon-experiment-1.jpg)
How to do the Self-Inflating Balloon Experiment:
To keep this scientific, add the same amount of inflation material into each bottle. We added about 3 tablespoons of hot water into one bottle, vinegar into another, and warm water into the third (for the yeast). We added 1 teaspoon of sugar along with half a yeast packet to the yeast bottle.
![self inflating balloon experiment instructions What chemical reaction blows up a balloon the most? This self-inflating balloon science experiment will help you answer that question.](https://lemonlimeadventures.com/wp-content/uploads/2017/03/balloon-experiment-2.jpg)
On top of each bottle, tape a balloon tightly around the spout so they can’t pop off.
Screw the lid on tightly to the yeast bottle and the hot water bottle.
Fill the cap with baking soda and quickly screw the lid onto the last bottle.
![self inflating balloon experiment instructions What chemical reaction blows up a balloon the most? This self-inflating balloon science experiment will help you answer that question.](https://lemonlimeadventures.com/wp-content/uploads/2017/03/balloon-experiment-3.jpg)
The baking soda and vinegar bottle will inflate the most and the fastest. In fact, ours nearly popped the lid off the bottle and made a huge mess, but we caught it in time. The yeast is a slow-inflating balloon, but it lasted the longest.
![self inflating balloon experiment instructions What chemical reaction blows up a balloon the most? This self-inflating balloon science experiment will help you answer that question.](https://lemonlimeadventures.com/wp-content/uploads/2017/03/balloon-experiment-4.jpg)
The hot water was barely enough air to help the balloon stand up straight.
What Kids Learn in the Self-Inflating Balloon Experiment
This experiment is a classic science experiment with a hypothesis, experiment, and results record. This experiment is simple, yet helps kids understand how the scientific process works. Additionally, who wouldn’t want to learn what the best replacement for helium in balloons is? Of course, some kids might be disappointed to learn that these balloons won’t actually float in the air, but that’s another lesson too! These balloons can’t float because none of the fillings are lighter than air!
![self inflating balloon experiment instructions What chemical reaction blows up a balloon the most? This self-inflating balloon science experiment will help you answer that question.](https://lemonlimeadventures.com/wp-content/uploads/2017/03/self-inflating-balloon-c.png)
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1 thought on “Self-Inflating Balloon Science Experiment”
This is much easier to do if you use 12-20 oz soda bottles and regular balloons instead of the water balloons pictured here.
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How to Blow up a Balloon With Baking Soda and Vinegar
Last Updated: February 2, 2024 Fact Checked
wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. To create this article, 50 people, some anonymous, worked to edit and improve it over time. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 414,816 times. Learn more...
Learn how to inflate a balloon in this fun science experiment using these common kitchen ingredients! Balloons inflated this way are filled with carbon dioxide produced by the two ingredients reacting. They do not contain helium, so they will not float.
Inflating the Balloon
![self inflating balloon experiment instructions Step 1 Pour a little vinegar into a plastic bottle.](https://www.wikihow.com/images/thumb/7/70/Blow-up-a-Balloon-With-Baking-Soda-and-Vinegar-Step-1-Version-7.jpg/v4-460px-Blow-up-a-Balloon-With-Baking-Soda-and-Vinegar-Step-1-Version-7.jpg)
- You can try this with any kind of vinegar, but the inflation might take longer or require more vinegar to work. Other types of vinegar tend to be more expensive as well.
- Vinegar can damage metal containers, potentially adding an unpleasant taste to food and drink stored in that container. If you have no plastic bottles, use a high-quality stainless steel bottle to minimize the chance of this happening. Weakening the vinegar with an equal amount of water might also help, and won't prevent the balloon from inflating. [2] X Research source
![self inflating balloon experiment instructions Step 2 Use a funnel or straw to put a little baking soda into a limp balloon.](https://www.wikihow.com/images/thumb/c/c4/Blow-up-a-Balloon-With-Baking-Soda-and-Vinegar-Step-2-Version-7.jpg/v4-460px-Blow-up-a-Balloon-With-Baking-Soda-and-Vinegar-Step-2-Version-7.jpg)
- If you don't have a funnel, you can place a plastic straw into a pile of baking soda, put your finger over the top hole of the straw, then poke the straw into the balloon and lift your finger. Tap the straw to get the baking soda to fall out, and repeat until the balloon is at least 1/3 of the way full. [4] X Research source
![self inflating balloon experiment instructions Step 3 Stretch the neck of the balloon over the top of the bottle.](https://www.wikihow.com/images/thumb/a/af/Blow-up-a-Balloon-With-Baking-Soda-and-Vinegar-Step-3-Version-7.jpg/v4-460px-Blow-up-a-Balloon-With-Baking-Soda-and-Vinegar-Step-3-Version-7.jpg)
- Shake the bottle gently to mix the two ingredients if there's not much fizzing.
![self inflating balloon experiment instructions Step 5 Try again with more vinegar or baking soda, if it doesn't work the first time.](https://www.wikihow.com/images/thumb/e/e1/Blow-up-a-Balloon-With-Baking-Soda-and-Vinegar-Step-5-Version-7.jpg/v4-460px-Blow-up-a-Balloon-With-Baking-Soda-and-Vinegar-Step-5-Version-7.jpg)
- Don't go overboard. The bottle should never be more than about 1/3 full of vinegar.
Grasping how the Process Works
![self inflating balloon experiment instructions Step 1 Learn about chemical reactions.](https://www.wikihow.com/images/thumb/1/10/Blow-up-a-Balloon-With-Baking-Soda-and-Vinegar-Step-6-Version-5.jpg/v4-460px-Blow-up-a-Balloon-With-Baking-Soda-and-Vinegar-Step-6-Version-5.jpg)
- Baking soda is another word for the molecule sodium bicarbonate .
- White vinegar is a mixture of acetic acid and water. Only the acetic acid reacts with the baking soda.
![self inflating balloon experiment instructions Step 3 Read about the reaction.](https://www.wikihow.com/images/thumb/9/9d/Blow-up-a-Balloon-With-Baking-Soda-and-Vinegar-Step-8-Version-5.jpg/v4-460px-Blow-up-a-Balloon-With-Baking-Soda-and-Vinegar-Step-8-Version-5.jpg)
- Although the definition of acid and base can get complicated, you can compare the differences between the original substances and the "neutralized" result to see there are obvious changes. For instance, vinegar has a strong smell and can be used to dissolve grime and dirt. After being mixed with baking soda, it smells much less strongly and is no more effective at cleaning than water is.
![self inflating balloon experiment instructions Step 4 Study the chemical formula.](https://www.wikihow.com/images/thumb/0/05/Blow-up-a-Balloon-With-Baking-Soda-and-Vinegar-Step-9-Version-5.jpg/v4-460px-Blow-up-a-Balloon-With-Baking-Soda-and-Vinegar-Step-9-Version-5.jpg)
- NaHCO 3 + HC 2 H 3 O 2 (aq) → NaC 2 H 3 O 2 (aq) + H 2 O(l) + CO 2 (g)
- The letters in parentheses show the state the chemicals are in during and after the reaction: (g)as, (l)iquid, or (aq)ueous. "Aqueous" means the chemical is dissolved in water.
Community Q&A
![self inflating balloon experiment instructions Community Answer](https://www.wikihow.com/images/thumb/0/0a/CommunityAvatar1.png/-crop-104-104-104px-CommunityAvatar1.png)
- This method can also be used in homemade cardboard or plastic rockets and you can make them go a long way if ingredients are out right. The reason it blows up is because the reaction creates gas, and the pressure builds up. Thanks Helpful 0 Not Helpful 0
- You can use lime juice instead of vinegar. Thanks Helpful 0 Not Helpful 0
![self inflating balloon experiment instructions self inflating balloon experiment instructions](https://www.wikihow.com/images/d/dc/Excl_v04_0420x0250%402x.jpg)
- If the balloon is fully inflated and the liquid is still fizzing, the balloon might be about to explode. Decide whether you have time to pull off the balloon, or whether you should just cover your face before it gets spattered! Thanks Helpful 69 Not Helpful 25
Things You'll Need
- Baking Soda
- Bottle with narrow neck
- Funnel (optional)
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- ↑ https://www.cityofsacramento.org/-/media/Corporate/Files/ParksandRec/4thR/4r-SAH2-BakingSodaVinegarBalloonExp.pdf?la=en
- ↑ https://www.exploratorium.edu/science_explorer/balloon_blowup.html
- ↑ http://www.education.com/science-fair/article/balloon-gas-chemical-reaction/
- ↑ https://www.education.com/science-fair/article/balloon-gas-chemical-reaction/
- ↑ https://www.pbs.org/parents/crafts-and-experiments/inflate-a-balloon-with-baking-soda-and-vinegar
- ↑ https://www.cmosc.org/balloon-blow-up-science-experiment/
About This Article
To blow up a balloon with baking soda and vinegar, pour 1–2 inches of white vinegar into a plastic bottle. Next, hold a balloon loosely by the neck, fit a funnel or plastic straw into it, and pour 2 tablespoons of baking soda through it into the balloon. Then, stretch the neck of the balloon over the top of the bottle before lifting the balloon up over the bottle. The baking soda will fall out of the balloon, through the neck of the bottle, and into the vinegar. The 2 ingredients will fizz and react to create carbon dioxide, which will then inflate your balloon! If you want to learn more about the chemical reaction that occurs, keep reading! Did this summary help you? Yes No
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A Dab of Glue Will Do
Little Learners, Big Ideas
PS PK K 1 2
Self-Inflating Balloon Science Experiment
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![self inflating balloon experiment instructions In the self-inflating balloon science experiment, kids will learn which chemical reaction is the best at inflating balloons. Classroom-friendly!](https://www.adabofgluewilldo.com/wp-content/uploads/2017/06/ADOGWD-Pinterest-1-image-270x492.png)
Science is all about testing, re-testing, searching, exploring, and playing. I’m almost convinced most scientists are kids who never quite grew up! Try this Self-Inflating Balloon Science Experiment with your kids today!
![self inflating balloon experiment instructions Watch balloons self inflate during this experiment](https://www.adabofgluewilldo.com/wp-content/uploads/2017/07/self-inflating-balloon-experiment-pin-683x1024.jpg)
Children have a natural instinct to experiment and test, which is why science activities are so much fun with little ones! In the self-inflating balloon science experiment, children can test which chemical reaction produces the reaction that is best at inflating a balloon. What is even better about this experiment is that the science experiment is inexpensive and classroom-friendly. Little ones will have a blast testing all sorts of reactions beyond the three we tested in our example.
Getting the Self-Inflating Balloon Science Experiment Ready
![self inflating balloon experiment instructions In the self-inflating balloon science experiment, kids will learn which chemical reaction is the best at inflating balloons. Classroom-friendly!](https://www.adabofgluewilldo.com/wp-content/uploads/2017/06/ADOGWD-Watermark-Horizontal-Photos-19.png)
Setting this experiment up is super easy, and it takes very little advanced prep. You will need:
- Balloons (1 for each reaction)
- Plastic bottles (1 for each reaction)
- Plastic bottles
All you have to do in advance is collect the materials and write the type of reaction on each balloon with a permanent marker.
![self inflating balloon experiment instructions In the self-inflating balloon science experiment, kids will learn which chemical reaction is the best at inflating balloons. Classroom-friendly!](https://www.adabofgluewilldo.com/wp-content/uploads/2017/06/self-inflating-balloons-1.jpg)
Doing the Self-Inflating Balloon Science Experiment
Heat some water on the stove or in a microwave . If you don’t have access to something to heat water in the classroom, you can always switch out the hot water for yeast and sugar.
![self inflating balloon experiment instructions In the self-inflating balloon science experiment, kids will learn which chemical reaction is the best at inflating balloons. Classroom-friendly!](https://www.adabofgluewilldo.com/wp-content/uploads/2017/06/self-inflating-balloons-2.jpg)
Fill one bottle with 5 tablespoons of hot water . Add the “water” balloon to the top.
Fill another bottle with 5 tablespoons of hot water. Drop in an alka-seltzer tablet and cover with the “alka-seltzer” balloon.
![self inflating balloon experiment instructions In the self-inflating balloon science experiment, kids will learn which chemical reaction is the best at inflating balloons. Classroom-friendly!](https://www.adabofgluewilldo.com/wp-content/uploads/2017/06/self-inflating-balloons-3.jpg)
Add 5 tablespoons of vinegar to the third bottle. Drop in two tablespoons of baking soda and quickly add the “baking soda” balloon.
Stand back and watch.
![self inflating balloon experiment instructions In the self-inflating balloon science experiment, kids will learn which chemical reaction is the best at inflating balloons. Classroom-friendly!](https://www.adabofgluewilldo.com/wp-content/uploads/2017/06/self-inflating-balloons-5.jpg)
In our experiment, the water balloon didn’t inflate much at all. The hot air was not pressurized enough to inflate the balloon. The alka-seltzer tablet filled the balloon a little, but the baking soda and vinegar balloon had the best reaction. We thought the balloon was going to pop off the bottle!
The Science Behind the Self-Inflating Balloon Experiment
![self inflating balloon experiment instructions In the self-inflating balloon science experiment, kids will learn which chemical reaction is the best at inflating balloons. Classroom-friendly!](https://www.adabofgluewilldo.com/wp-content/uploads/2017/06/self-inflating-balloons-4.jpg)
Alka-seltzer tablets and baking soda and vinegar both produce the same CO2 reaction. When an acid is mixed with a base, the two mixtures react through an endothermic reaction (a reaction that makes the mixture feel colder), creating CO2 gas which bubbles up through the liquid and out into the air, which inflates the balloon. The heat rising from the hot water was not strong enough to inflate our balloon. However, hotter water or perhaps more water in the bottle might have done the trick.
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Balloon Blow-Up Science Experiment
- Written by Children's Museum Team
- Posted on Monday April 13, 2020
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Blow-Up a Balloon Using Science! Ages 3+
Using items easily found at home, you can blow up a balloon without using your mouth or your own breath! This isn’t magic; it’s science!
This experiment demonstrates how states of matter can change – mixing a solid with a liquid to create gas! The science behind this balloon baking soda experiment is the chemical reaction between the base – baking soda – and the acid – vinegar. When the two ingredients mix together the balloon baking soda experiment gets its lift! The gas produced from the two ingredients is carbon dioxide or CO2.
Carbon dioxide is the same gas that is produced by the human lungs and is a biproduct of our respiratory system. We breathe in oxygen and breathe out carbon dioxide.
Vocabulary:
- Extra Credit Word: Exothermic (absorbs heat, so it feels cold)
Balloon Blow-Up Experiment Materials:
- Empty 12-16 oz soda bottle (or any bottle about that size with a small neck)
- Baking Soda
- Small funnel
- Small measuring cup
Balloon Blow-Up Experiment Directions:
- Have your children scoop the baking soda into the balloon using the funnel
- Help your children put the vinegar into the flask using a pipette or small measuring cup
- Next, attach the balloon to the top of the flask; make sure not to pour the baking soda into the vinegar!
- Ask your children what might happen, and why.
- Count to 3 and everyone holds up their balloon so the baking soda falls into the vinegar, creating a chemical reaction and blowing up their balloon.
- Let the kids know what will happen scientifically SCIENCE: When baking soda and vinegar are mixed together, it creates a gas called carbon dioxide. The gas begins to expand in the bottle and starts to inflate the balloon. The more gas that is created, the larger the balloon will inflate.
- Follow up experiment: ask your children if they think blowing a balloon up using their breath is faster or slower than with baking soda and vinegar. Why? Test it out!
Check out these other STEAM activities that are sure to engage, entertain, and educate!
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Self inflating balloon experiment
Have you ever tried to inflate a balloon without using your mouth? In this experiment, you can! Create a self-inflating balloon by mixing vinegar and baking soda in an empty pop bottle to create carbon dioxide gas. If you secure a balloon on top of this bottle, it will capture the gas and blow the balloon up!
Learn how to re-create this simple science experiment at home by reading the post below.
![Self inflating balloon experiment self-inflating balloon on a 2L pop bottle](https://mamasmusthaves.com/wp-content/uploads/2022/08/self-blowing-balloon-experiment-652x1024.png)
What is the self-inflating balloon experiment?
This is an excellent activity for young scientists – Especially those who love learning outside! Learn why we think science for kids is so important in this post.
Primary Connections explains that when you mix vinegar (an acid) and baking soda (a base) , you create a carbon dioxide gas . Now, as we saw in our volcano experiment with the same chemical reaction, this gas will cause a bubbling eruption that flows out of the container.
But, when you affix a balloon on top of the bottle, the gas has nowhere to go… Except for the balloon! Usually, we are using the air from our lungs to fill a balloon when we blow it up. This air is also a gas. But in this experiment, we are trapping carbon dioxide inside of the balloon to create a self-inflating balloon!
Download a scientific method worksheet before starting
This is totally optional, but you may want to head over to my TpT store and download the Scientific Method worksheet for free. This way, you can emphasize key learning moments while introducing your preschooler to the scientific method. By practicing this, they will become confident in their ability to hypothesize, test, and evaluate experiments!
Plus, if you write down the step-by-step instructions and tuck this away in a folder for later, they can re-create the same activity another time.
![Self inflating balloon experiment materials for the self inflating balloon: 2l bottle, vinegar, baking soda, and a balloon](https://mamasmusthaves.com/wp-content/uploads/2022/08/self-inflating-balloon-materials-652x1024.png)
Making a self-inflating balloon: What you’ll need
All of the materials required for this experiment are common household staples! Since you’ve got to act quickly to capture the gas, this experiment is best suited for older children (or requires adult assistance).
Here are the materials you will need:
- An empty 2L pop or water bottle
- 2 tbsp Baking soda
- 1 and a half cups vinegar
- Either two funnels or a funnel and a spoon
*This amount will blow up the balloon a little bit – I ended up adding more vinegar to see how much I could inflate my balloon!
![Self inflating balloon experiment self inflating balloon experiment](https://mamasmusthaves.com/wp-content/uploads/2022/08/self-inflating-balloon-experiment-652x1024.png)
How to make a self-inflating vinegar balloon
This classic science experiment is super easy. But, be sure to act quickly because as soon as the baking soda falls into the vinegar, the chemical reactions will start!
Here are the step-by-step instructions
- Remove the lid from your bottle
- Place a funnel into the top of the bottle for the liquid
- Pour the vinegar into the bottle first , then remove the funnel
- Either place a second funnel in or use a spoon to pour the baking soda in
- Quickly and carefully stretch the balloon over the top of the bottle
- Watch carefully! The chemical reaction between the two substances will make the balloon inflate
That’s it! The kids will have so much fun watching the self-inflating balloon science… But be careful to take the balloon off before it bursts! Otherwise, you’ll have a huge mess to clean.
![Self inflating balloon experiment self inflating balloon](https://mamasmusthaves.com/wp-content/uploads/2022/08/self-inflating-balloon-652x1024.png)
That’s all there is to this self-inflating balloon experiment! Pretty simple, hey? With just balloons, baking soda, vinegar, and an empty bottle, you can create a self-blowing balloon in just a few minutes. This happens because the acid (vinegar) and the base (baking soda) create a chemical reaction inside the water bottle. Since the balloon prevents the gas from escaping, the carbon dioxide flows into the balloon, making it appear to magically inflate all by itself.
Have you tried this self-inflating balloon science experiment (sometimes also called a ‘vinegar balloon experiment’)? We would love to hear how it went!
Here are some other science experiments you may enjoy
If you’re into science experiments, you and your kids will love these:
- Create a tissue paper butterfly that flaps its wings thanks to static electricity
- Explore how the sun moves while creating beautiful shadow art
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Searching for more science experiments and science-related activities to do with your little ones? Check out this category to see all of our posts about science for kids!
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Science project, self-inflating balloons.
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Grade Level: 4th through 8th; Type: Chemistry
Start a chemical reaction that will make a balloon inflate itself!
Research Question:
What happens when you mix an acid and a base?
- Water bottle
- Small balloon
- Teaspoon of baking soda
Experimental Procedure:
- Put the water bottle where it will stand upright securely, or have a partner hold it. Fill it halfway with vinegar.
- Give the balloon a good stretching, like you would if you were about to blow it up.
- Use the funnel to put the baking soda inside the balloon. Gently shake the balloon until all the baking soda goes to the bottom.
- Making sure none of the baking soda gets into the water bottle, carefully stretch the opening of the balloon until it’s completely over the opening of the water bottle. If it’s not a tight fit, your balloon is probably too big and you should use a smaller one instead.
- Once the balloon is attached to the water bottle, lift the rest of the balloon so that the baking soda falls into the vinegar. You might have to give it a gentle shake to make sure it all goes in.
- Watch the balloon inflate! What’s happening here is the vinegar, an acid, is creating a chemical reaction with the baking soda, a base. When the two substances mix, you get carbonic acid, which is unstable and decomposes (falls apart) to become carbon dioxide (the gas that’s filling the balloon!) and water. Since the carbon dioxide is much less dense than the stuff you used to create it, it wants to expand, and the balloon is stretchy enough to allow it to do just that!
Terms/Concepts: fluids, density
References: Phineas and Ferb Science Lab, published by Scholastic, Inc., pp. 12-13 (2011).
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Self Inflating Balloon Experiment
How about some science fun with a balloon ? My seven-year-old was amazed by this. He had no idea what to expect when we started this self inflating balloon experiment.
![self inflating balloon experiment instructions Self Inflating Balloon](https://www.forgetfulmomma.com/wp-content/uploads/2020/10/Self-Inflating-Balloon-683x1024.jpg)
This post contains affiliate links, see my disclosure policy for more information.
I used a Sharpie to draw a face on our balloon just to give it a little more fun, and to pretend we were growing a monster head with Halloween coming up soon.
Gauge loved this, I don’t know if you can hear him in the video or not, but he says “Did you know this would happen?!” Who knows inflating a balloon could be so much fun.
What You Need:
- baking soda
- water/pop bottle
Science Experiment E-Book
How to make a balloon self inflate
This is a science experiment simple enough for your kids to do themselves. My almost seven-year-old did it with very little help from me.
Start by measuring out half a cup of vinegar.
![self inflating balloon experiment instructions Self Inflating Balloon Experiment](https://www.forgetfulmomma.com/wp-content/uploads/2020/10/Self-Inflating-Balloon-Experiment-5-683x1024.jpg)
It is very helpful to have a funnel for the next part: pouring the vinegar into a bottle. A funnel means less will get spilled.
![self inflating balloon experiment instructions Self Inflating Balloon Experiment - pouring vinegar into a bottle](https://www.forgetfulmomma.com/wp-content/uploads/2020/10/Self-Inflating-Balloon-Experiment-4-683x1024.jpg)
We dried off our funnel and used it to put half a tablespoon of baking soda into our balloon.
![self inflating balloon experiment instructions Self Inflating Balloon - filling a balloon with baking soda](https://www.forgetfulmomma.com/wp-content/uploads/2020/10/Self-Inflating-Balloon-Experiment-3-683x1024.jpg)
Remove the funnel from your balloon, and carefully fit it over the opening of your bottle without spilling any of the baking soda in the bottle. It will cause a reaction before you are ready.
![self inflating balloon experiment instructions Self Inflating Balloon](https://www.forgetfulmomma.com/wp-content/uploads/2020/10/Self-Inflating-Balloon-Experiment-1-683x1024.jpg)
Once you are ready and watching you can flip the balloon up to empty the baking soda into the bottle. The reaction does happen quite fast.
![self inflating balloon experiment instructions Self Inflating Balloon](https://www.forgetfulmomma.com/wp-content/uploads/2020/10/Self-Inflating-Balloon-Experiment-6-683x1024.jpg)
Now you just wait for the reaction. My favorite part of this is that this science experiment uses things you most likely have around your house already.
We have balloons from parties past “floating” around our house, which is probably why I have been finding activities to do with my kids using balloons . Time to use them up before another birthday, and party theme comes around.
![self inflating balloon experiment instructions Self Inflating Balloon Experiment](https://www.forgetfulmomma.com/wp-content/uploads/2020/10/Self-Inflating-Balloon-Experiment-7-683x1024.jpg)
What’s Happening:
The secret lies with vinegar and baking soda, two household staples that, when combined, create carbonic acid. Carbonic acid breaks down into water and carbon dioxide.
This experiment uses carbon dioxide to fill the balloon, giving the illusion that the balloon is self-inflating.
![self inflating balloon experiment instructions Self Inflating Balloon](https://www.forgetfulmomma.com/wp-content/uploads/2020/10/Self-Inflating-Balloon-Experiment-6-735x1103.jpg)
Self Inflating Balloon
Easy science experiment for kids using things you have in the kitchen.
- 1/2 cup of vinegar
- 1/2 tsp of baking soda
Instructions
- Pour 1/2 cup of vinegar into an old water or pop bottle.
- put 1/2 tbsp of baking soda into a balloon.
- Carefully, put the opening of the balloon over the water bottle.
- Empty the baking soda into the bottle, and into the vinegar and watch the reaction.
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OPERATION: Self-Inflating Balloon aka “Thermodynamics”
![self inflating balloon experiment instructions OPERATION: Self-Inflating Balloon aka "Thermodynamics"](https://www.project226.com/wp-content/uploads/2011/08/balloons.jpg)
by Tim Werle
August 22, 2011, in in door projects , operations, no comments.
INTRODUCTION:
The First Law of Thermodynamics , in its simplest form, states matter and energy are neither created nor destroyed by natural means . Prior to Einstein, the two conservation laws (energy and mass) were independent. With the recognition that mass was a form of energy (E=MC 2 ), the First Law of Thermodynamics includes mass as a form of energy. Believing the Universe and everything it contains came from nothing, by natural processes, violates this fundamental law of science.
- 100 ml white vinegar (about 6.5 Tablespoons)
- 10 g baking soda (about 2 teaspoons)
- 500ml plastic water bottle (everyday small water bottle)
- plastic spoon
- scale or balance
- paper towels
INSTRUCTIONS:
- Add 100ml of vinegar to the 500 mL plastic water bottle.
- Stretch your balloon out for about a minute so that it will inflate easily.
- Using the white plastic spoon, add 3 level teaspoons of baking soda to your balloon. (Use the funnel to avoid spilling)
- While keeping all the baking soda in the balloon, carefully place the mouth of the balloon over the opening of the plastic water bottle to make a tight seal. The balloon will hang to the side of the bottle. ***Do not allow any of the baking soda to enter the bottle.***
- Use your scale to find the mass of the “closed system” (bottle, vinegar, balloon, and baking soda) and record in the Data Table.
- While the balloon is still attached to the bottle, lift the balloon so the baking soda falls into the bottle and combines with the vinegar. Swirl gently.
- Record & draw observations.
- Use your scale to find the mass of the “closed system” once the chemical reaction has completed. ***Be sure to keep balloon attached***
- Record the info into the data table.
OBSERVATIONS:
What evidence did you observe to indicate a chemical reaction took place?
- What happened chemically in this experiment is represented in the chemical equation below:
- NaHCO 3 + CH 3 COOH is now NaOOCCH 3 + H 2 0 + CO 2
- (Baking Soda) (Vinegar) is now (Sodium Acetate) (Water) (Carbon Dioxide)
You can observe from the chemical equation above that no new elements were created.
- Knowing this, explain where the gas came from?
LIFE APPLICATION:
This simple experiment can give us confidence that God’s Word is not in opposition with science but the contrary; science continues to confirm God’s Word is true. The First Law of Thermodynamics tells us the Universe could not have come from nothing by natural processes.
- Explain why you can boldly accept a literal interpretation of Genesis 1:1 “In the beginning, God created the heavens and the earth”?
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Self-Inflating Balloon Experiment
- March 25, 2020
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If the children in your life are anything like mine, they LOVE to experiment! It is so fun to watch their facial expressions, as they experience the chemical reactions that take place, such as in this self-inflating balloon experiment. It’s a mixture of pure joy and wonder!
In this self-inflating balloon experiment, children use an acid-base reaction to inflate a balloon. However, there are countless variations that can be done, which I list below.
In addition, this experiment can be performed by children of all ages. Even my 2½ year old had a blast inflating her balloon several times! Simply increase or decrease the difficulty or comparisons being made in this experiment, depending on the age of the child.
Supplies Needed
Chances are, you have all you need to perform this experiment right in your own home! The equipment and materials lists are super simple.
The equipment recommended for this experiment includes:
- Small Measuring cup
- 8 to 12 oz. Bottle
![self inflating balloon experiment instructions](https://i0.wp.com/jilliansworld.net/wp-content/uploads/2020/03/Self-Inflating-Balloon-Experiment-4.jpg?resize=1024%2C747&ssl=1)
The only two materials needed for this experiment are:
- Baking Soda
- Distilled White Vinegar
![self inflating balloon experiment instructions](https://i0.wp.com/jilliansworld.net/wp-content/uploads/2020/03/Self-Inflating-Balloon-Experiment-2.jpg?resize=1024%2C1024&ssl=1)
The chemicals in this experiment are non-toxic and inexpensive. Therefore, this is a great project for scientists of all ages to perform repeatedly!
The Experiment
To begin the experiment, first add about ¼ cup of vinegar to an 8 to 12 ounce bottle with a narrow opening. Refrain from adding too much vinegar, as this will cause the reaction to fizz up into the balloon.
![self inflating balloon experiment instructions](https://i0.wp.com/jilliansworld.net/wp-content/uploads/2020/03/Self-Inflating-Balloon-Experiment-5.jpg?resize=1024%2C682&ssl=1)
Next, pour 1 tablespoons of baking soda into a balloon. It helps to use a funnel to perform this step. We also found it helpful to use a toothpick to stir the baking soda into the funnel and break up any clumps that may have occurred.
![self inflating balloon experiment instructions](https://i0.wp.com/jilliansworld.net/wp-content/uploads/2020/03/Self-Inflating-Balloon-Experiment-6.jpg?resize=970%2C970&ssl=1)
Once the baking soda is in the balloon, affix the balloon to the mouth of the bottle, being careful not to get any baking soda into the bottle, just yet.
Finally, lift the balloon up into the air, emptying the baking soda into the bottle. Watch the balloon inflate, as the baking soda mixes with the vinegar!
Tip: Have your little scientist perform this experiment on a tray or in a shallow baking dish of some sort, just in case the bottle tips over and the mixture spills.
The Science
The balloon inflates as a result of a chemical reaction between baking soda (sodium bicarbonate, a base) and vinegar (acetic acid), which produces an unstable carbonic acid. The carbonic acid immediately separates into water and carbon dioxide (CO2). As pressure builds up in the bottle, the CO2 bubbles out of the bottle and into the balloon, causing it to expand. The more CO2 that is created, the larger the balloon will expand!
Another interesting thing to mention is that the acid-base reaction is endothermic, which means the chemical reaction makes the mixture feel colder.
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Self-Inflating Balloon Experiment Variations
Children will have a blast testing all sorts of variations to this experiment. Try these variations to see which chemical reaction is best at inflating a balloon! To make the self-inflating balloon experiment even more educational, record your hypotheses and analyze the effects.
Consider measuring the size of the balloon before and after it has inflated. Draw a 1 cm long black line on the balloon with a marker before adding the baking soda. After performing the experiment, record the time it took for the line to expand to 5 cm in length.
2. Change the Acid
Predict what will happen if you change the amount of vinegar. (i.e. 2 tablespoons, ½ cup, etc.) Does this effect how long it takes the line to get to 5 cm in length?
Does it change the reaction if you use lemon juice , soda , or citric acid dissolved in water as an acid, instead of distilled white vinegar?
Predict what will happen if you use hot water instead of distilled white vinegar. (Be sure to have an adult handle the hot water for little ones!)
3. Change the Base
Predict what will happen if you change the amount of baking soda. (i.e. 1 teaspoon, 2 tablespoons, etc.) Does this effect how long it takes the line to get to 5 cm in length?
Does it change the reaction if you use laundry detergent , an Alka-Seltzer tablet or a Mentos tablet as a base, instead of baking soda?
4. Temperature
Consider taking the temperature of the liquid in the bottle before and after the reaction. What has happened?
Predict what will happen if you change the temperature of the vinegar or other acid. (i.e. refrigerated vs. room temperature, etc.) Does this effect how long it takes the line to get to 5 cm in length?
5. Other Ways?
In what other way(s) can you change the amount of CO2 emanating from the chemical reaction to make the balloon inflate even more? Consider changing the chemicals, the size of the bottle, and the size of the balloon.
Tip: While performing this self-inflating balloon experiment, remember to keep all other variables the same.
Acid-base experiments are fun to experiment with at any time of the year. Fortunately, baking soda and vinegar are so inexpensive, children can experiment again and again and again! So, stock up on these supplies. You never know when you will need them for easy entertaining and loads of learning! Good luck!
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- Small measuring cup
- 8 – 12 oz. Bottle
- ¼ Cup White Vinegar
- 1 Tbsp Baking Soda
Instructions
- Pour white vinegar into a bottle.
- Use a funnel to pour baking soda into a balloon.
- Attach the balloon to the mouth of the bottle. Be careful not to get any baking soda into the bottle until you are ready to proceed with the experiment.
- Hold the balloon up and let the baking soda pour down into the bottle. Watch the balloon expand, as gasses fill the balloon!
Have you made a balloon self-inflate with your kids or grandkids? Please share below.
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Self Inflating Valentine Balloon Experiment
To show you just how simple science can be for the holidays or special occasion days like Valentine’s Day, I took our classic baking soda and vinegar balloon experiment and gave it a theme for this month. We turned it into a Valentine balloon science experiment with just a little bit of creativity.
![self inflating balloon experiment instructions Easy Valentine balloon science experiment blowing up balloons with baking soda and vinegar](https://littlebinsforlittlehands.com/wp-content/uploads/2019/02/Valentines-Day-Balloon-Science.png)
Explore Science For Valentine’s Day
Simple science can be explored all year round with fun themes to make it new and engaging each time! Even something as simple as adding a cookie cutter creates a sense of excitement for young kids, and Valentine science activities are perfect for February indoor activities!
Kids are curious creatures and sharing fun and simple science activities at home or in the classroom is just another way to spark the fun in learning. We prefer to keep our science playful too!
Find out how to set up this simple Valentine’s Day science experiment below.
What Is Chemistry?
Let’s keep it basic for our younger or junior scientists! Chemistry is all about the way different materials are put together, and how they are made up including atoms and molecules. It’s also how these materials act under different conditions. Chemistry is often a base for physics so you will see overlap!
What might you experiment with in chemistry? Classically we think of a mad scientist and lots of bubbling beakers, and yes there is a reaction between bases and acids to enjoy! Also, chemistry involves matter, changes, solutions, and the list goes on and on.
We will be exploring simple chemistry you can do at home or in the classroom that isn’t too crazy, but is still lots of fun for kids! You can check out some more chemistry activities here . Check out the video! You can never recreate the same look twice.
Helpful Science Resources To Get You Started
Here are a few resources that will help you introduce science more effectively to your kiddos or students and feel confident yourself when presenting materials. You’ll find helpful free printables throughout.
- Best Science Practices (as it relates to the scientific method)
- Science Vocabulary
- 8 Science Books for Kids
- All About Scientists
- Free Science Worksheets
- Science Supplies List
- Science Tools for Kids
- Join us in the Club
Free Printable Valentine STEM Activities Calendar
![self inflating balloon experiment instructions self inflating balloon experiment instructions](https://littlebinsforlittlehands.com/wp-content/uploads/2024/01/valentine-guide-opt-in-680x570.jpg)
Extend The Experiment
My son suggested we try different amounts of baking soda in our Valentine balloon science experiment to see what would happen. Always encourage your kids to ask questions and wonder about what will happen if…
This is a great way to encourage inquiry, observation skills, and critical thinking skills. You can read more about teaching the scientific method to young kids here.
You can measure each balloon and record the results if you are blowing up multiple balloons and testing multiple measurements. Remember in a good science experiment project, you only want to change one variable at a time. Learn more about choosing variables here.
- change up the amount of baking soda or vinegar
- switch out the vinegar for lemon juice
- compare with baking powder and water (also a chemical reaction that produces carbon dioxide)
Valentine’s Day Balloon Experiment
Kids are always amazed by this super simple science experiment, and it’s also fun to draw designs on the balloon. Make it a STEAM activity. STEM + Art = STEAM. What’s even more interesting is if you blow up another balloon with your own air and compare the two!
- Baking Soda
- Empty Water Bottles
- Measuring Spoons
- Funnel {optional but helpful)
![self inflating balloon experiment instructions Supplies for balloon baking soda and vinegar experiment](https://littlebinsforlittlehands.com/wp-content/uploads/2019/02/IMG_4421.jpg)
Instructions:
TIP: Go ahead and use a sharpie to draw hearts or arrows or other fun Valentine’s Day theme pictures on your balloons before filling them with baking soda.
![self inflating balloon experiment instructions heart drawn on balloon science project with Sharpie marker](https://littlebinsforlittlehands.com/wp-content/uploads/2019/02/IMG_4420.jpg)
STEP 1. Blow up the balloon a bit to stretch it out some. Then use the funnel and teaspoon to add baking soda to the balloon. We started with 2 teaspoons and added a teaspoon for each balloon.
STEP 2. Fill the bottle halfway with vinegar.
STEP 3. When your balloons are all made attach to containers making sure you have a good seal!
Carefully attach the balloon to the bottle opening without letting any of the baking soda fall into the bottle ahead of time.
![self inflating balloon experiment instructions baking soda filled balloon attached to bottle filled with vinegar](https://littlebinsforlittlehands.com/wp-content/uploads/2019/02/IMG_4417.jpg)
STEP 4. Lift up the balloon to dump baking soda into the container of vinegar. Watch the balloon fill up.
TIP: To get the most gas out of it, we swirled around the container to get it all going!
There you have it! A balloon is blown up with a chemical reaction. Makes a great self-inflating balloon science project for kids including a great simple science fair project idea !
How Does It Work?
The science, behind this balloon baking soda experiment, is the chemical reaction between the base {baking soda} and the acid {vinegar}. When the two ingredients mix together the balloon baking soda experiment gets it’s lift! Learn more about acids and bases here.
That lift is the gas produced from the two ingredients is carbon dioxide or CO 2 . As the gas tries to leave the plastic container, it goes up into the balloon because of the tight seal you have created. Because the gas has nowhere to go and is pushing against the balloon it inflates it!
Don’t have vinegar? Try a citric acid like lemon juice and check out our citrus experiments here. Turn it into an experiment!
![self inflating balloon experiment instructions balloon blown up using baking soda and vinegar](https://littlebinsforlittlehands.com/wp-content/uploads/2019/02/IMG_4416.jpg)
More Experiments You Can Do With Balloons
You can also try other simple science activities with balloons including:
- Building a balloon-powered car!
- Setting up a balloon rocket!
- Static Electricity and Jumping Hearts
- Electric Cornstarch Experiment
- Screaming Balloon Experiment
More Fun Valentine’s Day Science Experiments
You can find all our Valentine’s Day science experiments here , including…
- Candy Heart Oobleck
- Heart Lava Lamp
- Valentines Skittles Experiment
- Dissolving Candy Heart Science
- Grow Crystal Hearts
- Water Displacement Experiment
![self inflating balloon experiment instructions How to grow crystals](https://littlebinsforlittlehands.com/wp-content/uploads/2016/12/Crystal-Hearts-1.jpg)
Printable Valentine STEM Project Pack
Countdown to Valentine’s Day with science and STEM ! Pack includes complete instructions, templates, and images for 20+ activities. Bonus: printable science Valentine’s Day cards!
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Subscribe to receive a free 5-Day STEM Challenge Guide
~ projects to try now ~.
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IMAGES
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COMMENTS
Spoon. TIP: Before starting the experiment, you will want to stretch out the balloon to make it more loose and easier to inflate. Step 1- Pour 1-2 spoonfuls of baking soda into the opening of the balloon, using a funnel. You'll need to shake it a bit to get it down into the base of the balloon. Step 2- Use the funnel again and pour some ...
In this simple science experiments video, we go over how to make a self-inflating balloon using just a bottle, bicarbonate of soda, vinegar and (of course) a...
How to make a self inflating balloon. Clean a 1 liter bottle and let dry. Using a funnel, add 1 teaspoon of baking soda to the bottle. Place the small end of the funnel into the opening of the balloon. Hold carefully and pour the vinegar into the balloon. Carefully stretch out the open end of the balloon and place over the mouth of the bottle ...
Give each child one self-inflating balloon 1. Distribute one shiny self-inflating balloon to each person. 2. Direct each child to carefully feel the balloon to find out what might be inside. 3. Be sure to point out the pouch of citric acid and how hard it is to feel the baking soda. Citric acid and
The Instructions: The Quick Version. First, using the funnel, pour all the baking soda in the balloon. Then put the balloon aside and pour the vinegar into the small bottle using the same funnel. Next, carefully fit the balloon into the bottle opening. Make sure the baking soda doesn't fall in while you're doing this.
Step 2 - Using a funnel, pour about a third of a cup of vinegar into the bottle. We used Apple Cider Vinegar, but any type of vinegar will work. Step 3 - Then insert another funnel into the mouth of the balloon. We recommend using two different funnels. One funnel for filling the bottle with vinegar and one for the balloon.
How to do the Self-Inflating Balloon Experiment: To keep this scientific, add the same amount of inflation material into each bottle. We added about 3 tablespoons of hot water into one bottle, vinegar into another, and warm water into the third (for the yeast). We added 1 teaspoon of sugar along with half a yeast packet to the yeast bottle.
X Research source. 3. Stretch the neck of the balloon over the top of the bottle. Be careful not to spill the baking soda while you do this. Hold the balloon's neck with both hands and stretch it over the top of the plastic bottle containing vinegar. Have a friend keep the bottle steady if the table or bottle is wobbly.
Drop in an alka-seltzer tablet and cover with the "alka-seltzer" balloon. Add 5 tablespoons of vinegar to the third bottle. Drop in two tablespoons of baking soda and quickly add the "baking soda" balloon. Stand back and watch. In our experiment, the water balloon didn't inflate much at all. The hot air was not pressurized enough to ...
We started with two teaspoons and added a teaspoon for each balloon. Step 2. Fill the container with vinegar halfway. Step 3. When your balloons are all made up, attach them to the containers making sure you have a good seal! Step 4. Next, lift up the balloon to dump the baking soda into the container of vinegar. Watch your balloon blow up!
balloons, small rubber bands, and gloves. Find detailed instructions to help you replenish this kit on the inside back cover. What is the self-inflating balloon made of? The outside of the self-inflating balloon is made of aluminum deposited on a polyethylene film. Each balloon contains 3 g of baking soda and 5 mL of a 10% citric acid solution.
Ask your children what might happen, and why. Count to 3 and everyone holds up their balloon so the baking soda falls into the vinegar, creating a chemical reaction and blowing up their balloon. Let the kids know what will happen scientifically. SCIENCE: When baking soda and vinegar are mixed together, it creates a gas called carbon dioxide.
Here are the step-by-step instructions. Remove the lid from your bottle. Place a funnel into the top of the bottle for the liquid. Pour the vinegar into the bottle first, then remove the funnel. Either place a second funnel in or use a spoon to pour the baking soda in. Quickly and carefully stretch the balloon over the top of the bottle.
On-Site. Pour 50 mL 10% citric acid solution in labeled cup. Place 2 tsp. baking soda in a separate, labeled cup. Arrange the cups, latex balloon, spoon/spatula, funnel (if desired), flask/bottle, and 2-3 self-inflating balloons within easy reach. Set candle, lighter, and beaker in a safe location, at least 3 m away from participants.
Experimental Procedure: Put the water bottle where it will stand upright securely, or have a partner hold it. Fill it halfway with vinegar. Give the balloon a good stretching, like you would if you were about to blow it up. Use the funnel to put the baking soda inside the balloon. Gently shake the balloon until all the baking soda goes to the ...
Learn how to inflate a balloon using a chemical reaction. Want to feel more like a scientist? Check out our lab reports and more experiments for students by ...
Self Inflating Balloon Experiment. This post contains affiliate links, see my disclosure policy for more information. ... Instructions. Pour 1/2 cup of vinegar into an old water or pop bottle. put 1/2 tbsp of baking soda into a balloon. Carefully, put the opening of the balloon over the water bottle. ...
make a balloon self-inflate - science experiment. What you need: White vinegar. Step 1: Measure out half a cup of white vinegar. Step 2: Pour half a cup of vinegar inside the water bottle. Make sure you don't spill any or you'll be in for a mess! Step 3: Either get a funnel or improvise one out of paper like me.
INSTRUCTIONS: Add 100ml of vinegar to the 500 mL plastic water bottle. Stretch your balloon out for about a minute so that it will inflate easily. Using the white plastic spoon, add 3 level teaspoons of baking soda to your balloon. (Use the funnel to avoid spilling)
1. Put a few drops of food colouring in the bottom of the empty soft-drink bottle. 2. Half fill the bottle with vinegar using the funnel so you don't spill any. 3. Rinse and dry the funnel thoroughly. 4. Use the funnel to put a teaspoon of bicarb into the balloon through the opening where you'd normally blow it up. 5.
Instructions. Pour white vinegar into a bottle. Use a funnel to pour baking soda into a balloon. Attach the balloon to the mouth of the bottle. Be careful not to get any baking soda into the bottle until you are ready to proceed with the experiment. Hold the balloon up and let the baking soda pour down into the bottle.
o Cut one self-inflating balloon to remove its contents. o Fill latex balloons with magnesium sulfate and sodium bicarbonate. • There are four extra cards which are not needed for this version of the activity. • Refer to the lesson Kids & Chemistry React with Self-inflating Balloons if you would like to use all the cards as part of a 30 ...
STEP 3. When your balloons are all made attach to containers making sure you have a good seal! Carefully attach the balloon to the bottle opening without letting any of the baking soda fall into the bottle ahead of time. STEP 4. Lift up the balloon to dump baking soda into the container of vinegar.