Across
- 4. Every part of a closed circuit must be made of this (9)
- 7. This lights when electricity passes through (4)
- 9. The unit of electric current (6)
- 11. The direction of current is shown by marking an arrow from the positive terminal of the cell to the negative terminal of the cell (12)
- 13. Something which lets electricity through (9)
- 14. The type of circuit where bulbs are next to each other (6)
- 17. This pushes electric current round a circuit (7)
- 18. In this type of circuit, all appliances work together (6)
- 19. Type of circuit where removing one lamp leaves the other one on (8)
- 20. two or more cells working together (7)
Down
- 1. something that does not conduct electricity (9)
- 2. The path through which electrons flow (7)
- 3. An electric circuit is this if there is an insulator in its path (4)
- 5. A device for controlling current. It can be off or on (6)
- 6. For current to flow, the circuit must be _________(8)
- 8. This measures the current in a circuit (7)
- 10. This is an example of a conductor starting with 'C' (6)
- 12. This is an example of an insulator starting with 'G' (5)
- 13. In a torch we use this as a source of electricity (4)
- 15. Type of material like copper which conducts electricity (5)
- 16. In this type of circuit, all appliances work independently (8)