How to make a paperclip float? How does it work?
A paper clip will normally SINK in water because it has a greater density than water and weighs more than the water it can displace.
Water is made up of molecules. Each molecule is attracted to one another - that is cohesion. The attraction of molecules towards one another at the surface of the water creates a sort of ‘skin’ that allows the paper clip to float. This is called SURFACE TENSION.
Water molecules hold tight with one another in order to hold something up.
High surface tension of the water helps the paper clip - with much higher density - float on the water.
This experiment proves that a paperclip can FLOAT too!
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