Beakman's World: Surface Tension
04:17 - 07:18
3m 1s
surface tension
Beakman demonstrates how water has a "skin" (aka water tension) by showing a water glider on water and a basket sitting in water. When he sprays the water with soap, the basket can no longer sit on the water. Using a cartoon movie, he explains why water can't get dirt out of cloth because of surface tension but add soap and now the water can go into the fibers and get the dirt.
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