Small insects long legs, this is called water Striders and insects that walk on water. The Gerridae walk on water because of the water. A force of attraction between the molecules calledForces) such strong makes molecules within molecules attract was around in all directions, no strong pull to one side, especially.Gravity up to the top. The surface of the liquid inside is full of tension, known as surface tension, tensile force is trying to pull molecules at the surface of a liquid with strong at the most. The surface of the liquid is a contraction.The water or liquid can support some kind of objects on the surface. Kangaroos water can walk on water!But not because of the surface tension of water alone. Water Striders have special features that have long legs, and at the end of the leg have oil glands, as well as many small hair at the end of the middle support legs body