Surface tension of liquids 2 (observation)

Surface tension of liquids 2 (observation)

In this video we are experimenting with food colourings.




surface tension, liquid, liquids, milk, soap, food colouring, dish soap, liquid soap, physical property, cohesion, boundary, cohesive force, force, attractive force, surface, experiment, physics, chemistry

On-screen labels

food colouring, milk, liquid soap, Add a few drops of food colouring to the milk., Dip the cotton bud into liquid soap., Observe what happens when the cotton bud touches the surface of the milk., What do you think causes this spectacular phenomenon?
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