Measurements

Measurements

1. physical quantities

   • magnitude
     • scalar quantity
     • direction
       • vector quantity
   • unit
     • SI unit
       • meter, m
       • kilogram, kg
       • second, s
       • ampere, A
       • kelvin, K
       • candela, cd
       • mole, mol
   • length
   • mass
   • time
   • electric current
   • temperature
   • luminious intensity
   • amount of substance

2. prefixes

   • Tera
   • Giga
   • Mega
   • kilo
   • milli
   • micro
   • nana
   • pico

3. instruments

   • micrometer
   • vernier calipers
   • stopwatch
     • periodic motion
       • oscillation
         • period, T
   • accuracy