Water: An in-depth look at the surface
Sep 13, 2018
2 minutes
Compared with most liquids, water has an incredibly high surface tension. Changing the surface tension can make things move in strange ways.
Demonstration 1: Cut the tensionMaterials: Cup, paper clip, dish soap
Steel is too dense to float in water, but you can get it to rest on top. And you can sink it using nothing but a drop of soap.
Fill a cup with water, and gently
Demonstration 2: Nothing to sneeze atDemonstration 3: A clean getawayYou’re reading a preview, subscribe to read more.
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