Natural science

2. covering on circuit wires that keeps electrical current in the wire
6. they way in which the input is changed to the output, the link between the input and output devices
8. generating electricity using water power
9. devices that convert energy from the sun into electricity
11. something that is made up of two or more parts that work together to do a specific job
16. parts of an electric circuit
17. a component that goes into a circuit and provides the energy to the circuit
18. system of transferring electrical energy from one place to another
20. a component that causes the result in a circuit due to the input component's energy
21. a machine that produces electricity
23. a panel made up of a number of photovoltaic cells
24. - a machine that changes the amount of energy carried by electricity
25. the amount of electrical power an appliance requires to work
27. a source of electrical energy that stores and the supplies energy to a circuit
28. the movement of electric charges through a conductor

1. the process by which energy goes from one part of a system to another
3. convert electrical energy into movement energy
4. component that changes electrical energy to another form of energy
5. a material through which an electrical current is not able to travel
7. is an electric device that converts electrical energy to sound energy
9. place where electricity is generated
10. a material that allows electrical current to flow through it
12. a machine that boils water
13. a component for controllong whether current flows in an electric circuit
14. diagram of an electric circuit, drawn using standard symbols for electrical components
15. two or more cells connected to provide electrical energy
19. a connection of electricity wires that is not made by a qualified electrician
22. the remains of dead plants and animals that store energy from the sun from millions of years ago
26. the rotating blades of a machine