Start by allowing the kids to get creative decorating the cups with monster faces.
Give the monster faces plenty of time to dry before doing the experiment.
Place as few or as many drops of food coloring as you’d like at the bottom of the cup. After, sprinkle about a teaspoon of baking powder over the coloring. Pour the vinegar into a small bowl and allow students to combine the “potions” using the eyedroppers.
After the vinegar is in the droppers, allow the kids to carefully and slowly drop a drip or two of the vinegar into the cup and observe the reaction of the potions combining.
They can gradually add more vinegar and baking soda as needed. Be careful of the surfaces you choose to do the experiment on. Take a look at the chemical reaction below! Kids will be roaring with laughter and erupting with questions once the reactions take place.
Just a quick note, you’ll need about ¼ cup or so of vinegar to elicit a potion with a reaction as seen in the picture. Also, It is recommended to place the cup on a tray for easy cleanup!
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