PIRA Classification: 4C20.54
Description: A thermocouple is placed in a dewar of liquid nitrogen, until it reaches nitrogen temperature. The thermocouple is then plunged into a beaker of water. Water will freeze and then melt. The temperature of the probe is plotted and displayed to the class.
Special Instructions: Freeze the thermocouple and then press collect.
Condition: Ok
Setup time: 2 minutes
Safety Issues: Contents are cold.