Curated OER
Ohm's Law
If your future physicists know how to construct simple circuits, include resistors, and use a multi-meter to measure voltage, then you might employ this lesson on Ohm's law. Each lab group investigates the relationships among...
Curated OER
Dimmer and Dimmer and Dimmer and Dimmer
Eighth graders model rheostats to see how they work.
National High Magnetic Field Laboratory
Magnet Academy: Rheostat
After discovering the nature of electrical resistance, scientists devised instruments like this one to measure and control it. (Java tutorial)