Snow is the solid form of water. It forms when the air is below freezing point and the water vapour present in the air solidifies. The snowflakes formed have very unique shape that is crystalline in nature. This crystalline shape is due to the chemical formulae of water that has two atoms of hydrogen and one of oxygen (H2O). The size of the snowflakes is dependent on the temperature of the atmosphere. The colder the temperature, the smaller the snowflakes are.
Snow
