Charging materials by friction
1 mark · EasyGive one example of a common material that acts as an electrical insulator.
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Plastic (accept: glass, rubber, wood).
Also accept: Glass; Rubber; Wood
Common mistakes: Stating a metal, e.g. copper; Giving 'air' (not taught in page content)
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Marking points
B1 · 1 mark · 1 mark for a valid insulator: plastic, glass, rubber, or wood.
Worked solution
Example: Plastic is an insulator.