Thermometer that consists of a 1.75” by 3.5” flexible, plastic strip embedded with liquid crystals that change color to reflect changes in temperature. This particular thermometer has a temperature range, in both Celsius and Fahrenheit, that is ideal for placing on the forehead of a student and measuring their external body temperature. Fahrenheit reads from 95 to 104 degrees. The Celsius scale runs from 35 to 40 degrees.
Demos and Labs: Ruffini, the Thermal Regulator