Because of their light weight.
Insects can float on water due to their small size and surface tension of water. Their lightweight bodies and small surface area allow them to be supported by the water's surface tension, which is the result of water molecules sticking together. This allows insects to walk on water without sinking.
Its mostly due to Surface Tensions, keeping them balanced on the water.
the water is cohesion to the insects
Yes. Many small insects can walk on water, as they weigh so little that surface tension is sufficient to keep them from sinking.
No. As a matter of fact, polar bears cannot even walk on water. They can walk on ice, but that is technically not water.The animals that walk on water are water striders, Jesus lizards (corytophanid lizards of the genus Basiliscus), and other small insects such as mosquitoes and small flies that have mastered the technique of landing on water without breaking the surface tension of the water.
Certain insects (ones with a very light weight) are able to walk on water as their weight does not break the surface tension of the water. Water has a very high surface tension, therefore easily breaking and not supporting weight above a certain limit.
Some examples of insects that can walk on water include water striders, pond skaters, and water measurers. These insects have special adaptations that allow them to distribute their weight and use surface tension to stay afloat on the water's surface.
The reason behind the high surface tension of water is hydrogen bonds. This very strong bond enables small insects to walk on the surface of water.
A water strider belongs to the kingdom Animalia. These insects are part of the class Insecta and are known for their ability to walk on the surface of water due to their specialized legs and hydrophobic properties. Water striders are commonly found in freshwater habitats, where they prey on other small insects.
The oil on their feet is strong enough to repel the water and there weight is spread out enough that when their feet touch the water, the oil and the water repel each other like when you pour oil on water the oil floats on the top... same principle
Pond skating insects reveal water-walking secrets as they effortlessly skip across the surface leaving nothing but a tiny ripple in their wake, according to a new study. The insects use the middle of their three pairs of legs to row across the water, creating vortices with the tiny hairs that cover their legs, similar to the swirling vortices created just beneath the surface by am oar when it slices the water that twist away and propel the boat forward. The hairs, the only part of the insect’s body that penetrates the water, are covered in a waxy substance that keeps water out by allowing bubbles to attach to them which have drawn the attention of materials scientists looking for a permanent waterproofing material that doesn’t wash off.
Insects that are able to walk across the surface of water are called water striders. Water striders make use of the high surface tension of water together with their long, hydrophobic legs to stay above water.