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Snow Volcano – Baking Soda Volcano

February 3, 2019 By Emma Vanstone 43 Comments

We gathered up the last remaining bits of snow this afternoon to make a Baking Soda Volcano using snow!

We piled up a heap of snow around a small glass jar, making the top of the snow level with the top of the jar, added the ingredients for the baking soda and vinegar reaction and stood back to watch the fizz!

 

Snow Volcano

How to make a snow volcano

What you need

2 spoonfuls of baking soda (bicarbonate of soda )

1 spoonful washing up liquid ( dish soap )

a few drops of red food colouring

30 ml vinegar

Snow

Small container

 

Snow Volcano

Method

Add everything except the vinegar to the container.

Carefully shape a volcano shape around the container using snow.

Stand back, get ready……add the vinegar and watch the eruption! If it doesn’t work so well, add a bit more washing up liquid and vinegar and give it a good stir.

I loved how easy this was to make and how great the red looked against the snow! It was also super easy to clean up,

 

Baking soda volcano

What do you think of our Baking Soda Volcano?

Extension Task

Can you make  a different coloured snow volcano?

 

Colourful Snow Volcanoes

How does a baking soda volcano work?

Vinegar (an acid ) and bicarbonate of soda ( an alkali ) react together to neutralise each other. This reaction releases carbon dioxide, a gas which is the bubbles you see, these bubbles make the washing up liquid bubble up to give the reaction shown above.

You could also try making a multi-coloured snow volcano. To do this we used thick card to divide the central container in half and added yellow food colouring to one half and red food colouring to the other half.

multicoloured volcano eruption

More experiments using baking soda

Don’t forget to try some of our other easy Baking Soda Experiments

Baking Soda Experiments for kids

Or how about one of these easy ideas for using baking soda?

Monster Tea Party

Baking Soda powered boat

Baking Soda Popper

Fizzing rocks with baking soda

 

Snow Volcano

This post was first published on 21st Jan 2013. Updated 3rd Feb 2019

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Filed Under: Baking Soda Experiments, Chemistry, Early Years Science, Sensory/Messy Play, Winter Science Tagged With: baking soda volcano, make a volcano, making science fun, science for chidlren, Science for kids, snow volcano

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Reader Interactions

Comments

  1. HELEN

    January 21, 2013 at 10:26 pm

    ooh I like it with the snow…I like it even more that it’s outside!

    Reply
  2. Rachel

    January 22, 2013 at 9:05 am

    I would have never thought to do this outside with the snow… what a fun idea! I love it!!

    Reply
  3. TheBoyandMe

    January 22, 2013 at 11:09 pm

    Right if I can get a snow day tomorrow I am trying this out!

    Reply
    • TheBoyandMe

      January 27, 2013 at 9:39 pm

      I was going to get out to do this with the last of the snow today, but it’s all muddy 🙁

      Reply
  4. maryanne @ mama smiles

    January 23, 2013 at 9:56 pm

    I love this version of the classic volcano! Will have to give it a go with my kids!!!

    Reply
  5. @zingzingtree

    January 24, 2013 at 10:32 am

    Now this is super fun and there isn’t the heart break of destroying a papier mache work of art 😉

    Reply
  6. @bluebearwood

    January 24, 2013 at 10:32 am

    Love this. Just need to get some more snow. We had a dismal show this year 🙁

    Reply
    • ScienceSparks

      January 25, 2013 at 7:57 pm

      oh no, I hope you get some soon. x

      Reply
  7. Lauren

    January 28, 2013 at 1:45 am

    Going to try this next Winters, I think my kids would love to do this.

    Reply
  8. Susie

    March 23, 2013 at 8:36 am

    Hooray for snow in March. We’re trying this out later. Children (aged 3 and 6) very excited‼

    Reply
  9. International Elf Service

    January 21, 2015 at 3:21 pm

    Love these ideas, thank you!!!!

    Reply
  10. denise Coon

    February 6, 2015 at 11:06 pm

    What is washing up liquid?

    Reply
    • Emma Vanstone

      February 7, 2015 at 9:31 pm

      Dish soap 🙂

      Reply
  11. Tricia Luker

    January 18, 2018 at 3:24 pm

    What is washing up liquid?

    Reply

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