Materials: 2 cups, baking soda, vinegar, green food coloring, tray
Procedure: Pour vinegar into first cup and add a few drops of green food coloring. Mix solution. Pour baking soda into the second cup. Place it on a tray to catch the overflow. Add vinegar mix to baking soda cup and be amazed!
Results: The chemical reaction causes the release of carbon dioxide--fizzing!
Emotions of a Four Year Old: excitement, surprise, joy
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