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Background – Measurement in science

The units we use to measure properties such as length, temperature etc

PropertyUnitAbbreviationNote
Length (fundamental)metrem
Area (derived) square metrem²
Volume (derived)cubic meterm³
Mass (fundamental)kilogramkg1kilogram = 1000gram
Density (derived)kilogram per cubic metrekg/m³
Time (fundamental)seconds
Speed (derived)metres per secondm/s
Temperature (fundamental)degrees kelvin⁰Kcommonly ⁰C used

Using units and prefixes

table of prefixes used with scientific units

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