What Does SI Stand For In Science?

SI in science stands for International System of Units or System international.

It is the world's most widely used system of measurement.

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SI is a scientific expression of quantities or magnitudes of important natural phenomena.

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It is the modern form of a metric system. There are seven base units in SI, from which other units are derived.

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SI defined the standard units of measurement for the seven base quantities.

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The seven SI base units are second for time, meter for length, kilogram for mass, ampere from electric current, kelvin for temperature, a mole for amount of substance, and candela for luminous intensity.

The other SI units are derived by multiplying the different powers of the base units.