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Fizzing Hearts Activity

by Angela Thayer 12 Comments

This fizzing hearts activity is sure to bring a smile to your little one’s face! My boys like any activity that involves something fizzy, and this was no exception. This fizzing hearts activity is a great activity for Valentine’s Day or really any day of the year!

Fizzing Hearts Activity

Here’s what you need for the activity:

  • 1/2 cup of baking soda
  • 2 tablespoons of water
  • food coloring
  • 1 bottle of vinegar

To start, mix the 1/2 cup of baking soda with the 2 tablespoons of water. Next, drop in a few drops of food coloring. I used gel food coloring for purple, pink, and red and liquid food coloring for blue. You can mix with a spoon or with your hands. Just be aware that you may get food coloring on your hands. The mixture should be slightly wet, yet crumbly. If it’s too wet, just add a bit more baking soda. It should look something like this.

dough

You can make more dough if you want more hearts. The above measurements were used for each color I made.

Next, place the dough in a mold, like a cookie cutter or silicone mold. You can also just make a ball with the dough.

hearts

Then, place them in the freezer for about 30 minutes. That helps the dough form together better.

Next, put the hearts into a large container.

colorful hearts

I love these happy, colorful hearts!

hearts in container

Then it’s time for the fizzy fun! I put vinegar in squeeze bottles and let my boys squirt at the hearts!

hand on heart

purple heart

squirting the hearts

Lots of fizzy fun and lots of laughter during this activity!

fizzy hearts

It was actually really fun to listen to the reaction. It sounded so fizzy and lots of “hissing” sounds!

hearts fizzing

The fizzing lasted for a long time. We filled up their bottles 3 times each and they kept squirting and making more bubbles.

foaming hearts

Then we got out wooden spoons and mixed it all up into a foam.

foam

When we were done, we just emptied the contents into the snow outside!! 🙂

We loved this fizzing hearts activity and hope you’ll give it a try!

This was day 17 of the 31 Days of Play series. To see all the play activities, visit here.

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Filed Under: Fun Kid Activities, Holidays, Indoor Activities, Science Tagged With: 31 days of play, baking soda, fizzing, hearts, valentines day, vinegar

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  1. Deb says

    January 25, 2023 at 6:27 pm

    A great science project! How was the clean up? I am a teacher and trying to think of the best way to clean up after the fun. Any staining to the container used?

    Reply
    • Angela Thayer says

      March 1, 2023 at 3:18 pm

      I did not have any staining to the container. I would make sure to use liquid water colors instead of gel food coloring. The clean up was pretty easy! I dumped out the contents and rinsed it out in the sink.

      Reply
  2. Maria L Huistra says

    February 7, 2020 at 9:41 am

    How much vinegar do I use and how many hearts with this make? The recipe says “a bottle”

    Thank You!

    Reply
    • Angela Thayer says

      February 8, 2020 at 3:53 pm

      I recommend using 1-2 cups of vinegar. Feel free to use more!

      Reply
  3. Cherie says

    February 12, 2019 at 3:52 pm

    We did the Fizzy hearts activity today and we all had a blast!! Thanks for sharing so many wonderful activities and sharing your unique abilities!!

    Reply
  4. Alma Alfon says

    May 10, 2016 at 6:41 pm

    My child and I did this today. I love it! My son was super focused while doing it. Thanks for this.

    Reply
  5. Lisa says

    February 10, 2016 at 4:04 pm

    Just did this with my boys (3.5 yrs) and they loved it. They played for a whole hour (amazing!) and were pretending it was ‘whizz away ointment’ from the Magic Faraway Tree stories. Thank-you!

    Reply
  6. Tiffiny says

    January 23, 2015 at 11:40 pm

    What fun! My daughter would love to play with that.
    Tiffiny recently posted…Multicultural Children’s Book Day Info and Book ReviewMy Profile

    Reply
  7. Nicole says

    January 21, 2015 at 4:54 pm

    My kids love playing with baking soda and vinegar what a great twist on a fun activity for kids.
    Nicole recently posted…Preschool Fun ~ DinosaursMy Profile

    Reply
  8. Natasha says

    January 18, 2015 at 4:14 pm

    I think I love fizzy play more than my kids. Your kids look like they are having a lot of fun.
    Natasha recently posted…Glass Beads Learning ActivitiesMy Profile

    Reply

Trackbacks

  1. Valentine Themed Science Experiments for Kids | True Aim says:
    February 4, 2015 at 1:51 am

    […] More Fizzy Heart […]

    Reply
  2. Hodge Podge / 10 super sensory activities for Valentines day says:
    January 27, 2015 at 12:06 am

    […] Fizzing hearts activity from Teaching Mama […]

    Reply
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