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← 3.2 Metallic Materials

Conductivity of electricity

Pre-Technical Studies · Grade 7 · about 40 minutes

Testing metals with a cell and bulb: current passes through clean metal, not through plastic or wood, never through a mains socket.

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  • 9 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
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Other lessons in this sub-strand

  1. Types of metallic materials
  2. Steel in the immediate environment
  3. Aluminium in the immediate environment
  4. Copper in the immediate environment
  5. A checklist for identifying metals
  6. Appearance of metallic materials
  7. Magnetism of metallic materials
  8. Conductivity of heat
  9. Conductivity of electricity
  10. How metallic materials are used in daily life