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    Home » Early Years Science » 10 AMAZING Baking Soda Experiments

    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!

    Image of a child holding a box of baking soda for a science experiment
    Baking Soda Experiments for Kids

    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.

    Honeycomb full of bubbles for an easy kitchen science experiment for kids

    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 rocket made with a 500ml plastic bottle, cork, 3 straws and tape

    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.

    Baking soda boat - easy baking soda experiment for kids

    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?

    a glass container filled with baking powder and water for a science investigation

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

    Fairy fizzy Potions in test tubes made with baking soda and vinegar

    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.

    a volcano shape made with snow for a volcano activity

    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.

    vinegar, baking soda and a small container for making baking soda rockets

    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.

    Test different substances to discover what reacts with baking soda #scienceforkids
    What reacts with baking soda experiment

    Fizzing rocks with baking soda

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

    Baking soda and water made into a rock shape
    Fizzy Rocks – Science for Kids

    Blow up a balloon with baking soda

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

    A balloon being blown up by lemon juice and baking soda
    Blow up a balloon with baking soda

    Baking Soda Ice Cubes

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

    baking soda added to coloured ice cubes

    Frozen Vinegar

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

    Frozen vinegar in ice cube shape

    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.

    fizzy paint - add baking soda to paint and then react it with vinegar! #bakingsodaexperiments
    Fizzy Paint

    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!

    exploding sandwich bag - science experiment for kids

    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.

    colour changing potions made with red cabbage juice and baking soda

    Christmas Elf Lab

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

    test tubes with red and green fizzy foam pouring out

    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.

    Brilliant baking soda experiments for kids. Make fizzy potions, honeycomb, a volcano and lots more #chemistryforkids #bakingsodaexperiments #bakingsodaactivities
    Brilliant Baking Soda Experiments

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

    Last Updated on January 30, 2023 by Emma Vanstone

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    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

    Comments

    1. Emma @ P is for Preschooler

      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!

      Reply
    2. Erica Price

      May 05, 2014 at 7:02 am

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

      Reply
      • Emma Vanstone

        May 06, 2014 at 12:49 pm

        Thanks Erica 🙂

        Reply
    3. Gilbert Delarosa

      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.

      Reply
    4. Lauren Golinski

      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.

      Reply
    5. Pat Greenwood

      March 05, 2018 at 9:24 pm

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

      Reply

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