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- specific gravity, ratio of the density of a substance to that of a standard substance.
www.britannica.com/science/specific-gravity
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Jan 15, 2020 · Specific gravity is the ratio of the density of a substance to the density of a reference substance, which is usually water for liquids and air for gases. When water is used, it is at its highest density, which is at 4 °C or 39.2 °F.
- Anne Marie Helmenstine, Ph.D.
The force that pulls things to the centre of Earth (and other planets) is called gravity. Gravity also holds Earth and the other planets in their orbits around the Sun.
specific gravity, ratio of the density of a substance to that of a standard substance. The usual standard of comparison for solids and liquids is water at 4 °C (39.2 °F), which has a density of 1.0 kg per litre (62.4 pounds per cubic foot).
- The Editors of Encyclopaedia Britannica
Density. Specific gravity. Density is the mass-to-volume ratio of a substance. Density is a physical characteristic of matter. Each substance has a characteristic density that can be used as one hint in identifying a substance. Gases have very low density, usually expressed in g/L.
Nov 21, 2023 · The specific gravity of an object is the ratio between the density of an object to a reference liquid.
Jan 10, 2018 · The specific gravity of a substance is the ratio of its density to a specified reference substance. This ratio is a pure number, containing no units. If the specific gravity ratio for a given substance is less than 1, that means the material will float in the reference substance.
