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24 Cards in this Set
- Front
- Back
- 3rd side (hint)
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SI system
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the universal system of units used by scientists for measurement- comes from French name for the International System of units
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SI unit of LENGTH
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meter, symbol= m
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SI unit of MASS
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kilogram, symbol= kg
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SI unit of TIME
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second, symbol= s
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SI unit of TEMPERATURE
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Kelvin, symbol= K
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SI unit of ELECTRIC CURRENT
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Ampere, symbol= A
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SI unit of AMOUNT OF A SUBSTANCE
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mole, symbol= mol
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SI unit of LUMINOUS INTENSITY
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candela, symbol= cd
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Derived Units
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units which result from combinations of the base units
ex. area, volume, density, speed |
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SI derived unit for AREA
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meter squared, m^2
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SI derived unit for VOLUME
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meter cubed, m^3
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SI derived unit for DENSITY
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grams per meter cubed, g / (m^3)
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SI derived unit for SPEED
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meters per second, m / sec
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prefix: kilo
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abbreviation: k
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factor: x1000
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prefix: hecta
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abbreviation: h
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factor: x100
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prefix: deka
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abbreviation: da
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factor: x10
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prefix: deci
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abbreviation: d
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factor: 1/10
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prefix: centi
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abbreviation: c
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factor: 1/100
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prefix: milli
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abbreviation: m
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factor: 1/1000
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Temperature
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a measure of the hotness or coldness of an object- determines the direction of heat flow
(* heat always flows spontaneously from a substance at higher temp to one at a lower temp) |
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Kelvin Scale
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the SI temperature scale where absolute zero= -273.15 *C
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(convert Kelvin to Celsius)
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K = C + 273.15
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(convert Celsius to Fahrenheit)
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C = 5/9 ( F - 32 )
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(convert Fahrenheit to Celsius)
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F = 9/5 ( C ) + 32
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