Specific gravity facts for kids

Kids Encyclopedia Facts
US Navy 111005-N-ZN781-031 Aviation Boatswain's Mate (Fuel) 3rd Class Rolando Calilung tests for a specific gravity test on JP-5 fuel
Testing specific gravity of fuel.

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 (H2O). 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.

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Specific gravity Facts for Kids. Kiddle Encyclopedia.