четверг, 18 декабря 2014 г.

Dancing Milk Science Experiment

Dancing Milk Science Experiment
Dancing Milk Science Experiment

physical science experiment with milk

Dancing Milk Materials


  • Tray
  • Dish Soap
  • Sponge (for wiping up any mess(
  • Plate
  • Food Coloring (we used blue but you can use any color)
  • Milk
  • Object to Dip into Dish Soap (e.g. key, q-tip)

Milk Science Experiment with Kids
How to Make Milk Dance


  • Gather your dancing milk materials
  • Pour milk onto a plate, enough to cover it
  • Drop food coloring in various spots in the milk
  • Dap your small object into the dish soap
  • Gently place small object with dish soap into milk and food coloring
  • Observe what happens to the milk
  • Watch the milk dance

Questions to Ask Kids


  • What happens to the milk when the soap meets it?
  • What happens when we add another color?
  • What would happen if we changed the liquid to be a different milk such as fat free, buttermilk, or half and half?
  • Why does the milk dance differently with these different substances?

Milk Science with Kids

Science Behind Dancing Milk


Milk has fats and proteins within its make up that are sensitive to changes in the substance. In our case, this change came from a drop of dish soap. Dish soap has a bipolar quality to it. This means that dish soap is non polar on one end and polar on the other. When the soap hits the milk, the soaps bipolar quality weakens the chemical bonds holding the fats and proteins together. The non-polar end of the soap is the center of party. The non-polar end “fears” water and this attaches to the fat molecules in the milk.The fat molecules move in all sorts of fun ways as the soap molecules attempts to attach themselves to the fat molecules. The food coloring helps us observe a phenomena that typically is not visible to us. See Steve Spangler Science for more science experiments like the Dancing Milk experiment.


To take this dancing milk experiment one step further check out Babble Dabble Do’s Marbled Milk Art Activity.


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Original article and pictures take http://carrotsareorange.com/dancing-milk-science-experiment/ site


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