|Liquid Crystal thermometers|
Liquid crystal thermometers portray temperatures as colors and can be used to follow temperature changes caused by heat flow. They can be used to observe that heat flows by conduction, convection, and radiation.
- Liquid crystal thermometer
- flat pieces of metal, about an inch wide and at least four inches long
- adhesive to attach liquid crystal material to the metal pieces
- hot and cold water in open top containers
- a thermometer