Across
- 4. The center portion of an atom containing the protons and neutrons
- 5. a substance that allows the flow of electricity
- 6. Positively charged atomic particles
- 9. Orbits in which electrons move around the nucleus of an atom
- 12. current flows from positive to negative
- 14. Smallest piece of an element containing all of the properties of that element
- 15. the force that causes current to flow
- 17. a circuit with more than one path for current flow
- 19. a unit of electrical current
- 20. negatively charged particles
- 22. total current in parallel circuit equals sum of branch currents
- 24. A system of components that allow current
- 26. movement of electrons,invisible force that provide light, heat,sound,motion
- 28. the number of protons in an element
- 30. related to the amount of current and voltage within a circuit
Down
- 1. the flow of electrical charge
- 2. current flows from negative to positive
- 3. the relationship between average and voltage drop in a circuit
- 7. sum of all voltage drops equal applied voltage
- 8. table showing all the known elements
- 10. The SI unit of electromotive force
- 11. simplest form of matter, made of one type of atom
- 13. the opposition of current flow
- 16. the outermost ring of electrons in an atom
- 18. a circuit with only one path for current flow
- 21. circuit with both series and parallel circuits
- 23. device used to measure properties of an electrical circuit
- 25. uncharged atomic particles
- 27. a substance that hinders the flow of electricity
- 29. the mathematical relationship between current, voltage, and resistance
- 31. the unit resistance is measured in