The circuit has to be closed in order to make the incandescent lamp light up. If the circuit is interrupted the incandescent lamp no longer lights up. Switches function according to this principle.
Information and Ideas:
• The children should have already had experience with a simple electric circuit and different types of conductors and non-conductors.
• Please observe the general safety and hygiene measures and safety instructions in the respective teaching methods as well as the applicable safety guidelines for your school.
• All materials mentioned in the instructions will have to be purchased directly from commercial sources.
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Personal, social and health education (PSHE)
Elementary school; Preschool
Electrical circuit; Energy
Siemens Stiftung Media Portal
Stiftung Haus der kleinen Forscher using media from: Surface Gesellschaft für Gestaltung mbH