Milk Paint

Can you paint with all the colours of the milk?

This activity is easy enough to do if you have some milk, food colouring, dish soap, a bowl, and a little stick. A heat source (microwave) is helpful as well.


Pour some milk into the bowl and give it a little heat. I put mine in the microwave for 45 seconds. Then, add a few drops of food colouring!


Apply a bit of dish soap to the stick, and dip it into the milk. This video shows what happens:

Have some fun swirling the stick through all the colours!

This one is a slowed-down video, which is pretty cool:

This happens because the grease-fighting soap is attacking the fat molecules in the milk, causing the motion. Since the soap doesn’t mix with the milk, it stays on the surface and spreads out. The food colouring makes this process easy to see, and way more cool!


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