Halloween Science Experiment – Witches Brew

When it comes to finding the perfect Halloween Science Experiment, there’s no debating that baking soda activities for kids just might be at the top of that list.

We love to do Halloween science experiments in our house and anything dealing with Halloween Science activities is certain to be a hit. If you’re looking for some great ideas for a Halloween party or just some super fun sensory activities, this is one easy activity that my kids love.

And who knows, you just may find out that you have a mad scientist or two in your house after doing this fun Halloween themed activity!

We highlighted this Halloween Experiment along with some other Halloween fun in our October Crafts for Kids, Halloween Craft Ideas For Kids, and our 101+ Easy Craft Ideas for kids.

Fun Activity for Halloween

We all know that there’s a bit of magic when you can combine dry ice and chemical reactions, right? This combination alone makes for the perfect stem projects for Halloween fun.

Once the kids know how to make it, they’re going to be lining up to make their own fun Halloween science experiment too.

Pair the excitement of this with a belly full of Halloween candy and you’re certain to have kids bouncing off the wall all night long!

One of the best parts of Halloween is trying to find ways to paint pumpkins or carve jack o lanterns all while trying to be a bit spooky at the same time. I even think back to my childhood where it was all about glow in the dark fun!

No matter what, your child is certain to love trying out this fun Halloween experiment. It’s a bit messy, a bit wild, and a lot perfect for having a truly scary good time.

Let the kids take turns with this simple Halloween activity. See just how much magic they can make as well. They’ll love being able to use their minds and hands for this fun STEM activity.

Ingredients to Make Witches Brew Science Experiment

Ingredients for Halloween science experiments

½ cup white vinegar for each color
¼ to 1 cup baking soda
Food coloring, in various colors
1 small container

How to Make Witches Brew

In individual cups, mix food coloring with vinegar.

Add baking soda to the selected container.

Pouring liquid into caldron of science experiement

Pour one color of vinegar over the baking soda and watch the eruption.

To create a more continuous eruption, stir the baking soda with a popsicle stick or spoon as more vinegar is added.

When you make this Halloween Science Experiment, please share a photo! I would love to see it!

Other Halloween Fun You’ll Love

Yield: 1 Science Experiement