1. Thermometric Properties
   1. Volume of a liquid
   2. emf generated by termocouple
   3. pressure of gas at constant volume
   4. resistance of wire
   5. colour of body
2. types
   1. liquid in glass
      1. Alcohol
         1. oven
         2. high scale
            1. 250º C
      2. Mercury
         1. short scale
            1. from 34º C to 39º C
         2. medical
         3. mercury does not flow back down tube
   2. Thermocouple
      1. two wires
         1. different metals
         2. loop
      2. millivoltmeter
         1. measures EMF
      3. when wires at different temprature
         1. emf voltage is generated
   3. platinum resistance
      1. Why platinum?
         1. high melting point
      2. resitance can be accurately measured
   4. constant volume gas
      1. gas in sealed container
      2. heat
         1. cant expand
            1. preasure builds
      3. given as
         1. pV/T
            1. p = pressure
            2. v = volume
            3. t = temperature
   5. optical pyrometers
      1. bright red
         1. 800º C
      2. flesh
         1. 1000º C
      3. lemon
         1. 1200º C
      4. white
         1. 1300º C