Gravity and surface tension forces on the water causing water to curve.
See the Related Links for "Wikipedia: Cause of surface tension" to the bottom for the answer. Surface tension of water is the physical property of hydrogen bonding that makes the water molecule. The way that this works is that a water molecule (H2O) is a polar molecule. This is because the oxygen has a much higher electronegative value than the hydrogen. This means that the oxygen gets a lot higher 'share' of the shared electrons than the hydrogen does. This gives oxygen a very high partial negative charge, and the hydrogen a very high partial positive charge. Because of these high partial charges on each end of the molecule, they are very highly attracted to each other This makes a strong type of intermolecular force called a hydrogen bond. The hydrogen bond 'pulls' the water molecules towards each other. So when in the centre of a water molecule the hydrogen bonds go in every direction. But when they are on the outside of a mass of water they are attracted only by molecules inside the mass of water. This makes a 'film' over the surface of the water.
Attraction in water molecules makes surface like a stretched membrane .
Between water molecules a big cohesion force exist; this is the cause of the high surface tension of water.
surface tension
The meniscus is the curve at a liquid's surface by which one measures the volume of the liquid. A meniscus can be concave or convex depending on whether it is attracted to itself or the glass.
MERCURY has a higher surface tension than water. This highest surface tension between liquids is 487 mN/m at 15 0C.
Well If you have a pie pan filled with milk and then drop 4 diffrent colors of food coloring droped in but not touching then get a tooth pick with detergent on it and touch it in the foodcoloring will swirl out like tie die in the pan.
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Buoyancy is the force exerted by the weight of water displaced by an object that is at least partially submerged in the water. Surface tension a force of attraction exerted between water molecules at the waters surface interface. Something can not become submerged in the water until this surface tension is broken. Surface tension is a very weak force and can be overcome physically or by changing the chemistry at the surface (adding a wetting agent).
Surface tension. It always tends to acquire minimum surface area thats why water droplets form spherical shape.
Between water molecules a big cohesion force exist; this is the cause of the high surface tension of water.
Between water molecules a big cohesion force exist; this is the cause of the high surface tension of water.
This is called the meniscus. The meniscus is caused by the high surface tension of water.
For most liquids, an increase in pH results in decreased surface tension. This has been attributed to lower attraction force between molecules when pH rises.
surface tension
Surface Tension. this is caused by a cohesive force between the polarized water molecules.
The surface tension of water is increased for salted water.Sodium chloride increase the surface tension of water.
a net inward force, due mostly to hydrogen bonding.
The meniscus is the curve at a liquid's surface by which one measures the volume of the liquid. A meniscus can be concave or convex depending on whether it is attracted to itself or the glass.