Hydrogen Cars
In this video segment adapted from NOVA/FRONTLINE see why hydrogen fuel cells are being touted as a possible replacement for the automobile's internal combustion engine and the challenges that surround this technology. Supplementary teaching materials for this video can be found at Teachers' Domain.
QuickTime video
Building a Fuel Cell - An Electrifying Experience
Lesson goal: To use a potentiometer to vary the resistive load applied to a fuel cell. By varying the resistance you can control the amount of current that flows in a circuit and measure the corresponding

