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In this video David explains what specific gravity means. He also shows how to calculate the value for specific gravity and use it to determine the percent o...
Specific Gravity (SG) is a special case of relative density. It is defined as the ratio of the density of a given substance, to the density of water (H 2 O). Substances with a specific gravity greater than 1 are heavier than water, and those with a specific gravity of less than 1 are lighter than water.
Specific gravity is a dimensionless quantity that is defined as the ratio of the density of a substance to the density of the water at a specified temperature. The density of water at 4 0C is commonly used as a reference point.
Kids learn about the science behind gravity, the mysterious force of planet earth including why it is important, what is weight, and fun facts. What is gravity?
What is specific gravity? Flexi Says: Specific gravity is a measure of the density of a substance compared to the density of a reference substance, typically water at 4 degrees Celsius. It is a dimensionless quantity, meaning it has no units.
Specific gravity is a measure of the density of a material. It is dimensionless, equal to the density of the material divided by the density of water. Since water's density is one gram per cubic centimeter (under standard conditions), specific gravity has the same value as density expressed in grams per cubic centimeter.
