Tie-Dye Milk

Learn about surface tension with this fun and colorful activity.

Pour the milk into the dish.

  1. Add a few drops of food coloring to the middle of the milk. Use all four colors, but make sure not to put the drops on top of each other, they should be beside each other in the middle.
  2. Dip the end of the cotton swap into the dish soap.
  3. Gently place the soap covered end of the cotton swab into the middle of the milk and watch what happens.
  4. As the food coloring moves around you can add more drops of soap to make the pattern and colors swirl and change.

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