1.3 Units and Conversions

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    Units of Measurement

    Metric Prefixes
    Terra 1012
    Giga 109
    Mega 106
    kilo 103
    centi 10-2
    milli 10-3
    micro 10-6
    nano 10-9
    pico 10-12
    femto 10-15
    atto 10-18
    SI Units
    Length m (meter)
    Mass kg (kilogram)
    Time s (second)
    Temperature K (Kelvin)
    Electric Current A (Ampere)
    Luminous Intensity Cd (candela)
    Derived Units
    Volume m3 (cubic meter)
    Energy / Work J (Joule)
    Pressure Pa (Pascal)
    Force N (Newton)
    Power W (Watt)
    Charge C (Coulomb)
    Resistance Ω (Ohm)
    Capacitance F (Farad)

    Convert 75g to milligrams.


    Convert 17.1m to feet (1in = 2.54cm).


    Convert 0.00348m3 to cm33


    Kelvin vs Celsius
    Celsius vs Fahrenheit °C = 5/9(°F – 32)    or    °F = 9/5(°C) + 32

    Express 10°C in Kelvin and Fahrenheit.

    Density Calculations (d = m/v)

    A cube with 2.00cm edges weighs 12.0 grams. What is its density?


    How much would a cube of the same substance with 3.00cm edges weigh?