| # | Title | Image | Description | Video |
| 1 | Thermocouple |
Thermoelectricity
|
A voltmeter is connected to the iron wires of two copper-iron wire junctions hanging from a stand. Light the Bunsen burner and heat one of the junctions, watching the voltmeter. You can also immerse a junction in ice. | Video |
| 2 | Fuse with Increasing Load |
Power and Energy
|
A fuse wire will eventually fail when the load on the circuit is increased. |
