Surface tension is an effect within the surface layer of a
liquid that causes that layer to behave as an elastic sheet. It allows
insects, such as the
water strider (pond skater, UK), to walk on
water. It allows small metal objects such as needles, razor blades, or foil fragments to float on the surface of water, and it is the cause of
capillary action. Whenever a raindrop falls, or a child splashes in a swimming pool, or a cleaning agent is mixed with water, or an alcoholic beverage is stirred in a glass, the effects of surface tension are visible.
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the force that acts on the surfaces of liquids causing them to "bead up" minimizing contact with solid surfaces.
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