Bubbling Slime Chemical Reaction Science Experiment
In this fun and easy science experiment, we’re going to explore and investigate endothermic chemical reactions by making bubbling slime.
Materials:
- 2 cups of white vinegar
- Bowl or plastic storage container
- Food coloring
- Enough baking soda to cover the bottom of your bowl or container
- 1 1/4 teaspoons xanthan gum
Instructions:
- Add the vinegar into a bowl. Stir vigorously as you shake the xanthan gum across the top of the vinegar slowly and gradually. Add food coloring, if preferred, and stir it in.
- There will be little clumps of xanthan gum in your slime at this point so put it in the refrigerator for a few hours so the clumps will absorb.
- Once ready, remove the slime from the refrigerator and stir the slime with the whisk until its smooth. It should be a little cloudy, and the consistency will look virtually creamy but really gooey.
- Check the consistency by raising some of the slime up on the whisk and allowing it to run back into the bowl. If it’s too thick to run and pour, whisk in a small amount of extra vinegar to thin it out.
- Now cover the bottom of your container with a layer backing soda.
- Pour the slime over the top of the baking soda and enjoy as the bubbles begin the rise up through the goo!
- Side note: You can increase the bubbling effect by stirring the slime around and mixing it with the baking soda.
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How it Works:
When baking soda and vinegar mix, an endothermic chemical reaction occurs. During this chemical reaction, carbon dioxide is released. As the carbon dioxide rises toward the surface of the goo it creates the bubbling slime effect.
Make This A Science Project:
Find an area that can get messy. Put the baking soda in a zip close baggie and add the slime. Zip the baggie closed securely. Step back and observe.
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