Informative Speech On Water Strider

156 Words1 Pages
In today’s world, science can find explanations for natural events. Bugs walking on water, too, has an explanation supported by science. The bug that I will inform you about is a water strider. A water strider is a bug that quickly moves through the surface film of water. It also catches prey by using its front legs. A water strider can walk on water due to cohesion. Cohesion is the attraction between molecules of the same substance. To sum it up, cohesion pulls the water molecules together. This pull is the cause of surface tension. The water strider is small enough to be supported by surface tension. Water molecules bond with other water molecules around them. A water strider’s feet can impair the surface, but can not physically break through

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