Across
- 1. center of an atom
- 9. what objects are made of
- 11. the ability to do work
- 13. an atom that has more electrons than protons. Having a lower electric potentioal
- 15. the measurement of electrical current
- 16. a circuit with branched paths
- 17. Materials through which electric charges flow through easily
- 19. uncharged. The number of protons in an atom equals the number of electrons
- 22. a negative charge equal to that a proton that spins around the nucleus and can transfer from 1 atom to another
- 23. Energy made of electrical charges through a conductor
- 25. a device for making, breaking or changing the connections in an electrical circuit
- 26. Materials that are poor conductors of electricity and resist the flow of electric charges
Down
- 2. the using of a resource
- 3. a source that is depleted by use
- 4. a complete closed path through which electricity flows
- 5. a flow of electricity created by a stream of moving electrons
- 6. electricity that stays in place
- 7. a source that isn't depleted by use
- 8. a circular path through which electricity passes
- 10. an atom that has more protons than electrons. Having a higher electric potential
- 11. a type of magnet which the magnetic field is produced by the flow of an electric current
- 12. the space around a magnet
- 14. the unit measurement of electrical pressure or force which causes electric current to flow
- 18. a device that produces electricity by converting mechanical energy into electrical energy
- 20. a device that produces electricity by converting chemical energy into electrical energy
- 21. a positive charge in the nucleus equal to that of an electron that does not move
- 24. the unit measurement of electrical power
