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When you think electric circuits, your pencil probably isn't the thing that comes to mind. A simple experiment lets learners test whether the graphene in pencil lead is a conductor or an insulator. If the LED bulb lights up, a conductor it is!
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Concepts
Instructional Ideas
- Conduct a safety orientation before the activity
Classroom Considerations
- Pupils should have experience with electric circuits
- Some electrical components are necessary for the activity
Pros
- Includes diagram of experiment setup
- Lists some guiding questions to use after the activity
Cons
- None