Torches

2. criteria, A art of rules to help designers focus their ideas and test the success of them
6. Two or more cells put together to provide electrical energy to power a circuit
8. item, Electrical items that have an element of computer processing in them
9. A thin piece of copper thread which conducts electricity to connect circuit components together
11. A circuit part which will make a buzzing noise when electricity is passed through it
12. A circuit part that you can open or close to allow electricity to flow through or to stop it flowing through
14. A reddish metal material that is a good at letting heat and electricity flow through it
15. A type of energy

1. to find out whether something works as it should
3. A single unit that provides electrical energy to power a circuit
4. A battery-powered electric lamp
5. A material that allows electricity to flow through it
6. A circuit part, made from glass or plastic, which gives out light when electricity passes through it
7. item, Objects that need electricity to work
10. A material that does not allow electricity to flow through it
13. circuit, A closed circuit where the current follows one path