Electrical Insulators

Science: Year 3 & 4 National Curriculum, topic 10.2.2

Electrical Insulators

Electricity can flow easily through some materials and less well through others.

Electrical insulators

Electrical insulators

  • Electrical insulators are materials do NOT allow electricity to flow through them.
Non-metals

Non-metals

  • Some non-metals are good electrical insulators. For example:
  • Plastics.
  • Rubber.
  • Wood.
Electrical insulators at home

Electrical insulators at home

  • There are electrical insulators in your home.
  • The wires in your home are covered in plastic.
  • Plastic is an electrical insulator that prevents us from getting electric shocks.

Test yourself on Electrical Insulators

  • What do you call materials that do NOT allow electricity to flow through them?

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