Foaming Frankenstein Heads: Fun Halloween Science Experiment

Reactions Science Experiment for Kids

A friend gifted me with a set of these fun Frankenstein head containers and I knew I needed to use them for a science experiment of some kind. They came from the dollar store so they should be pretty easy to find if you want the same or similar containers.

Ingredients for foaming Frankenstein experiment: Frankenstein container, baking soda, vinegar and food dye.For this experiment you will need baking soda (not baking powder!) and vinegar. Adding food colouring is fun but optional if you don’t have any, it won’t affect the reaction. I used about half a cup of vinegar, and added it to the container first, then mixed in a few drops of food dye. After it was mixed together I added in a heaping tablespoon of baking soda. If you are using a larger container, or just want a foamier reaction you could add in some dish washing soap too.

If you are doing this science experiment with younger children you can talk about the ingredients and ask them to predict what will happened when you mix the ingredients together. For older children you could have them repeat the experiment a few times, having them use a different set up each time. Have them try using a larger amount of vinegar with a smaller amount of baking soda, food dye versus no food dye, adding dish soap in, or have them come up with their own hypothesis to try out.

Baking soda and vinegar creating foam coming out of Frankenstein's headThe reaction happened quickly after adding in the baking soda!

Frankenstein head with foaming reactionIt was very difficult to get a photo of the reaction! I redid the experiment and made a video of the reaction, using a screenshot of the video for this photo. If you’re doing this experiment with older children, you could have one child act as the recorder, using photos, filming, notes or a combination.

Big reaction- Frankenstein head covered in foamI love this photo, such a fun picture of Frankenstein’s eye peeking out from the vinegar and baking soda reaction.

End of Foaming Frankenstein head reactionThe foam quickly fizzled back into liquid. Next time I try this, I’ll add some liquid dish soap in as well and see if it makes the reaction last longer.

Have you tried this? What’s your favourite science experiment or activity to do using baking soda and vinegar?

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