Electricity Year 7

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Across
  1. 4. This component measures current (7)
  2. 5. This component converts electrical energy to sound energy (6)
  3. 7. The opposite of positive (8)
  4. 9. The yellow/green wire in a plug (5)
  5. 10. This component converts electrical energy to light energy (4)
  6. 11. The energy changes of electric charge around a circuit (7)
  7. 12. The brown wire in a plug (4)
  8. 13. A material through which a current can flow (9)
  9. 17. When several cells are put together (7)
  10. 18. A material through which a current cannot flow (9)
  11. 20. This component measures voltage (9)
  12. 21. The unit of current (3)
  13. 22. The flow of electric charge in a circuit (7)
Down
  1. 1. A type of circuit where there are branches (8)
  2. 2. A safety feature in plugs (4)
  3. 3. The unit of voltage (4)
  4. 6. The particle which carries electric charge in a circuit (8)
  5. 8. A danger of electricity (13)
  6. 14. This can either be open or closed (6)
  7. 15. The opposite of negative (8)
  8. 16. The blue wire in a plug (7)
  9. 19. A type of circuit without any branches (6)
  10. 22. This component converts chemical energy to electrical energy (4)