SME
Grade 8 Science · Problem type
Conductor or insulator?
Use this for “A gap in a circuit is bridged with one object at a time. Which ones make the bulb glow?”
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Would the bulb light with this item in the gap?
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Assumptions
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Test an item by putting it in a gap in a working circuit: the bulb lights only if the item conducts.
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Wires are copper inside plastic: a conductor inside an insulator.
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Related lessons
Electric charge, current and simple circuits
Main lesson
Bulbs in parallel
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