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

Temperature

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?