Other questions in this quiz

2. if you knock a metal block the ? get mixed up

  • needles
  • mini magnets
  • domains
  • dots

3. what happens if in a simple circuit breaker, there is an electrical surge?

  • the magnet moves
  • an iron contact connects to the magnet - breaking the circuit
  • nothing changes

4. iron filling show a bar magnet's ?

  • magnetic field
  • surroundings
  • repelling zone
  • attracting zone

5. electromagnets can be ? and ?

  • increased and decreased
  • plastic and glass
  • glass and rubber

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