A small metal loop is moved along a curvy wire that is largely uninsulated. Each contact between the loop and the wire elicits a reaction from the signal generator, which allows the students to experience how necessary insulators are for controlling a current flow.
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Learning resource type:
Personal, social and health education (PSHE); Physics; Technology
Grade 1 to 4; Grade 5 to 6; Grade 7 to 9
Elementary school; Middle/high school
Electrical circuit; Lamp; Power generation
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