What happens to the molecules of water when the temperature of water increases?

Water carries several physical properties such as chemical formula, appearance, boiling point, freezing point, density, viscosity and solvency.

An increase in temperature changes the density of water. When a water is heated or its temperature is allowed to increase it causes the water molecules to gain energy and move faster, which results in increase in water volume due to movement of water molecule far from each other. on the other side if temperature of water is decrease, it's molecules come closer to each other and decrease in the volume of water takes place.

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