Curated OER
Dimmer and Dimmer and Dimmer and Dimmer
Eighth graders model rheostats to see how they work.
Curated OER
Electricity: Going with the Flow!
Fifth graders explore a simple circuit. They experiment with a wire, light bulb and a bettery to see how many ways they can make the light bulb light up. Students describe how they were or were not ablt to light the bulb.
Curated OER
Electric Current: The Light Output from a Light Bulb
Students investigate the energy used by a light bulb. In this electrical energy lesson, students conduct an investigation to explain the relationship between the output of light and the electrical power used by a light bulb.
Science Buddies
Science Buddies: Sliding Light: How to Make a Dimmer Switch With a Pencil
In this electronics science fair project, students will make a simple dimmer switch and investigate the relationship between the resistance in the circuit and the amount of light produced. The Science Buddies project ideas are set up...
TeachEngineering
Teach Engineering: Switcheroo
In this hands-on activity, students construct a simple switch and determine what objects and what types of materials can be used to close a switch in a circuit and light a light bulb.