Across
- 3. around the outside of the atom is a cloud of electrons
- 5. the flow of an electric charge
- 6. and energy transformation is the change of energy from one form to another
- 7. the build up of an electrical charge on the surface of an object
- 11. a device that is used to turn electricity on and off
- 15. a form of energy that is caused by the movements of tiny particles
- 16. the electrical device or devices that use electric power
- 17. usable power or the resources used to produce usable power
- 20. a machine that produces electricity
Down
- 1. found at the centre or nucleus of an atom
- 2. the measure of electric pressure
- 4. charges produced or caused by static electricity
- 8. a device that is used to control the flow of electricity in an electric circuit
- 9. a pathway made of wires that electrons can flow through
- 10. a device that makes a buzzing sound
- 12. cell a sealed container that holds chemicals
- 13. a light-emitting diode is a device that emits light when an electric current is passed through it
- 14. a machine that converts other forms of energy into mechanical energy
- 18. along with protons found at the centre or nucleus of an atom
- 19. incredibly tiny units of matter