PURPOSE: To illustrate generation and use of thermoelectric current.

DESCRIPTION: Inserting one leg of the thermoelectric generator into ice water and the other leg into hot water generates sufficient thermoelectric current to run the fan.

SUGGESTIONS:

REFERENCES: (PIRA unknown.) See Demonstration Reference File for descriptive literature.

EQUIPMENT: Thermoelectric fan with hot plate assembly and beakers from I1-43.

SETUP TIME: 5 min.