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17 Cards in this Set
- Front
- Back
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SI
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The scientific systme of measurement is called the Systeme Internationale d’Unites and is abbreviated SI. It is a modern version of the metric system which includes seven fundamental quantities from which all other units of physical quantities can be derived. The seven fundamental units are listed below:
Quantities differing from the base units by powers of ten are noted by the use of prefixes. Listed here are some prefixes that you may encounter and are expected to know: |
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Length
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Unit: meter - - *Abbreviation: m
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Mass
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Unit: kilogram - - *Abbreviation: kg
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Time
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Unit: second - - *Abbreviation: s
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Temperature
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Unit: kelvin - - *Abbreviation: K
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Amount of Substance
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Unit: mole - - *Abbreviation: mol
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Electric current
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Unit: ampere - - *Abbreviation: A
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Luminous intensity
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Unit: candela - - *Abbreviation: cd
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Multiple: 10^9
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Prefix Name: giga - - *Prefix Symbol: G - - short scale: billion - - long scale: milliard
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Multiple: 10^6
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Prefix Name: mega - - *Prefix Symbol: M - - million
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Multiple: 10^3
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Prefix Name: kilo - - *Prefix Symbol: k - - thousand
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Multiple: 10^-2
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Prefix Name: centi - - *Prefix Symbol: c - - hundredth
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Multiple: 10-3
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Prefix Name: milli - - *Prefix Symbol: m - - thousandth
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Multiple: 10^-6
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Prefix Name: Micro - - *Prefix Symbol: µ - - millionth
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Multiple: 10^-9
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Prefix Name: nano - - *Prefix Symbol: n - - short scale: billionth - - long scale: milliardth
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Multiple: 10^ - 12
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Prefix Name: pico - - *Prefix Symbol: p - - short scale: trillionth - - long scale: billionth
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Multiple: 10^ -15
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Prefix Name: femto - - *Prefix Symbol: f - - short scale: quadrillionth - - long scale: billiardth
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