If you are looking for a quick and fun science experiment to do at home, look no further! You most likely have all the materials already at home, so no shopping necessary.

The Science Behind Magic Milk

Milk is made up of minerals, proteins, and fats. When the dish soap is added to the milk, those molecules run around and try to attach to the fat molecules in the milk. You wouldn’t see this without the food coloring! The food coloring looks like fireworks because it’s getting bumped.


  • Milk (Must be either Whole or 2%) but works best with whole milk because of the fat.
  • Food Coloring. The more colors the better!
  • Dish Soap
  • Shallow Dish or Bowl
  • Cotton swabs (optional)


  1. Pour some milk into a shallow dish, bowl, or a paper plate until the milk covers the bottom.
  2. Add some drops of food coloring to the milk. You can use a variety of colors, just be sure to add 3-4 drops of each color. If you want to be extra creative, you can use a cookie cutter.
  3. Dip your cotton swab with dish soap and touch the food coloring or add a drop of dish soap into the center of the milk.
  4. Watch in amazement as the colors dance across the surface of the milk!

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