Calvary Christian Academy Hollywood issued the following announcement on Jun. 10.
Looking for a fun and educational summer activity to do at home with your child(ren)? Check out this experiment that CCAH's Pre-K4 students recently did in their #STEM class!
When liquid dish soap is added to milk with drops of food coloring on the surface, the soap reduces the surface tension of the milk and reacts with the fat. This interaction causes the fat particles in the milk to move and create swirls of color. This is an example of the way we use dish soap to wash, remove grease, stains, etc. When dish soap is poured over the surface, the surface tension is broken because the dish soap breaks those bonds.
Instructions:
1) Pour some milk (whole or 2%) into a shallow dish or bowl until the milk covers the bottom.
2) Add some drops of food coloring on the milk.
3) 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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Original source can be found here.
Source: Calvary Christian Academy Hollywood
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