Thermometry (C+75)

  C+75+0 Measurement of temperature: Various types of thermometers.
  C+75+5 Transparency: Comparison of F deg , C deg , and K temperature scales.
  C+75+10 Transparency: Chronological history of the concepts of heat.
  C+75+15 Galileo's air thermometer forces liquid down when heated.
  C+75+20 Liquid Crystals: sheet changes colors with body temperature.