Color Changing Milk Experiment

Color Changing Milk

Color Changing Milk - Science Experiment for Kids

Color Changing Milk – Science Experiment for Kids

 

Color Changing Milk is a cool science experiment which uses simple house hold items like milk, water, food color and dish-washing soap to create the awesome chemical reactions leading to a beautiful rush of color in milk.

Safety First! Adult Supervision Required. Don’t Eat/Drink your Experiments, Wear safety goggles where ever required


Materials and tools required.

In the box

  • White plate
  • Plastic bowls
  • Refined oil
  • Water
  • Food colors
  • Milk
  • Dish-washing liquid
  • Pipettes
  • Ear-buds

Video on Youtube for the Experiment

What to Do!

  1. Fill some water in a bowl
  2. Add some food color
  3. Make solutions of food color
  4. Pour enough milk in the plate
  5. Add one drop of food color in the center of plate
  6. Further add different food colors
  7. Add next drops of food color and make sure they are at the center of the plate
  8. Dip a ear bud at the center and observe
  9. Now try with an ear bud dipped in dish-washing liquid
  10. Place the soapy end at the center of the place and observe the rush of colors.

Images for Instructions

Working Principle of Color Changing Milk :

Milk is mostly water, but it also contains tiny droplets of fat suspended in solution. Fats and proteins are sensitive to changes in the surrounding solution (the milk). The secret of the bursting colors is the chemistry of that tiny drop of soap, because of its bipolar characteristics (non-polar on one end and polar on the other), weakens the chemical bonds that hold the protein and fats in solution. The soap’s polar or hydrophilic (water-loving) end dissolves in water, and its hydrophobic (water-fearing) end attaches to a fat globule in the milk.

This is when the fun begins!

The molecules of fat roll and twist, in all directions as the soap molecules race around to join up with the fat molecules. As the soap becomes evenly mixed with the milk, the action slows down and eventually stops.

 


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