Why Water Forms Droplets
Why does water form spherical droplets and why do they sometimes not fall?
The answer is actually quite simple:
Each individual water molecule inside any body of water is constantly interacting with other water molecules. the molecules in the center are pulled in all directions by the molecules surrounding it, however the molecules on the edge, lets say top, of the body of water are only pulled down and sideways;
This means a molecule on the edge is less likely to stay there for very long before being pulled away, therefore a body of water with no outside forces is most likely to be in a shape where there are the least amount of molecules at the edge, that shape being a circle.
If a drop falls it will take the shape of (roughly) a circle, rather than a semi circle, which means twice as many molecules at the edge. If the droplet is small enough there would be insufficient force from gravity to make this change and thus the drop will stay where it is, in its most 'stable' position.
