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Rainbow Baking Soda and Vinegar Experiment

FUN Activities

We love to experiment with baking soda and vinegar!

It’s such a fun way to bring science to life!  We’ve played with baking soda “dough” to make fizzy cupcakes and we’ve explored art and science with ice on the light table, but this was the first time that we tried dying baking soda to make a fizzy rainbow.

And, let me tell you, it was gorgeous!!

FUN science at home for kids with baking soda and vinegar. #science #preschoolscience #funathome

When I was a preschooler teacher, I saved any baking soda and vinegar experiment for rainy days.  My kids would sit and experiment with the trays for over an hour.  Have you ever met a preschooler??  They don’t sit still long!  You can imagine why I saved this for when we were stuck inside!!

We first came across dying baking soda on this post over at Where Imagination Grows.  And, we were inspired to make a rainbow!Rainbow baking soda and vinegar experiment

Supplies for Baking Soda and Vinegar Experiment

  • Baking Soda
  • Vinegar
  • Syringes (or eye droppers)
  • Food coloring

Mixing baking sodaHow to Make Rainbow Colored Baking Soda

The only “hard” part about this baking soda and vinegar experiment is mixing the colors.  Here’s exactly how we dyed the baking soda:

  1. Scoop 4 BIG spoonfuls of baking soda into a bowl
  2. Add 2-3 drops (or more if you’d like) of food coloring
  3. Pour a small amount of water into the bowl (like a teaspoon or two)
  4. MIX 

Note: I added a drop of food coloring to the water to help brighten the color of the baking soda!

There will be little clumps of baking soda from the moisture, but the baking soda shouldn’t be wet.

using the syringeWe dyed the baking soda each color in the rainbow and set the colors side by side in a baking pan.

Then, I put out a jar of vinegar with some syringes for my three-year-old to experiment and to play!

Popping bubblesPopping the bubbles was my preschooler’s favorite part!  But, my favorite part was taking the jar of vinegar and pouring it along the entire rainbow!!

EruptionWhat’s better than a bubbling rainbow?!  Well, it might be the sounds of sheer delight when my three-year-old watched this baking soda and vinegar experiment come to life!!

Don’t you think it looks gorgeous??

Come on over to our Facebook page and share your favorite way to explore science with your little one!

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By Katie Joiner March 31, 2020

Comments

  1. whereimaginationgrows3 says

    February 21, 2014 at 9:22 pm

    Beautiful!!! <3

    Reply
  2. crayonboxchronicles says

    February 22, 2014 at 12:22 am

    So fun and colorful! 🙂

    Reply
    • happilyevermom says

      February 22, 2014 at 7:01 pm

      Thanks, Heather!! You can never go wrong with fun and colorful!

      Reply
      • crayonboxchronicles says

        February 22, 2014 at 7:48 pm

        right! 😉

        Reply
    • mumtaz begum says

      April 24, 2020 at 2:43 am

      I am an Early childhood teacher may I know what is the objectives of this experiment.

      Reply
      • Katie Joiner says

        April 24, 2020 at 11:13 am

        Hi there! I was a preschool teacher for years as well! There’s a lot going on in this activity, but I’d say that the main learning objective is to experience and identify cause and effect. For example, when I add vinegar to the baking soda, it causes a reaction. It’s such an easy, hands-on science experiment for preschoolers! Hope that helps, Katie

        Reply
  3. Natalie AfterschoolForSmartyPants says

    February 22, 2014 at 10:52 am

    Love it – great twist on the classic!

    Reply
    • happilyevermom says

      February 22, 2014 at 7:00 pm

      Thanks, Natalie! This was so much fun!!

      Reply
  4. Tiffany H. says

    February 24, 2014 at 12:47 pm

    So colorful! We love fizzy play activities!

    Reply
  5. Kelly at Little Wonders' Days says

    February 24, 2014 at 1:11 pm

    Oh, this is a cool project. Thanks for sharing at the After School Link Up

    Reply
  6. Jeanette Wood says

    February 26, 2014 at 7:38 pm

    Hi! I found your site from Google+ I just love this idea, especially this time of year! I also noticed that you had the book, Saving our Sons on your sidebar. Our son’s story is in that book. <3

    Reply
    • happilyevermom says

      February 26, 2014 at 11:05 pm

      Thanks so much, Jeanette! I’m so glad you stopped by, we REALLY loved this one!!

      Reply
  7. Natalie PlanetSmartyPants says

    February 28, 2014 at 2:11 pm

    So pretty! I am featuring this on Afterschool link up next Monday.

    Reply
    • happilyevermom says

      February 28, 2014 at 9:41 pm

      Thanks so much, Natalie – it really was gorgeous to watch!

      Reply
  8. jeannine: waddleeahchaa says

    March 4, 2014 at 6:10 am

    We have another crazy cold day here in South Texas. We have leftover homemade snow. Maybe it’s time to turn it into a rainbow! We need a little bright color in our day. Thanks for the idea.

    Reply

Trackbacks

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