Across
- 3. changes DC to AC
- 4. when more current flows than the line is designed to carry
- 6. has a motor
- 7. (light) combination light broken into individual wavelengths
- 11. measurement of waves from crest to crest
- 12. when an appliance is turned on
- 13. type of light that can be more damaging that infrared light
- 15. changes AC to DC
- 16. Liquid or gas
- 19. material that allows electricity to flow through it
- 20. technical name of any electrically powered appliance
- 22. flow of tiny negatively charged particles
- 23. use to generate heat
- 26. material that allows electric current to flow?
- 28. direct contact
- 29. a kind of light provided by an ordinary lightbulb
Down
- 1. produces an alternating current
- 2. direct current that has an electrochemical effect
- 5. through a vacuum
- 7. measure of how much electrical energy is being used
- 8. produces light, heat, chemical and magnetic changes
- 9. (light) portion of the electromagnetic spectrum humans can see
- 10. the unit of electric pressure
- 14. measure of electric strength
- 17. alternating current
- 18. type of light that produces heat
- 21. process of forcing an acid or alkali into the skin by applying current to the chemical
- 24. an economical and long-lasting light source
- 25. current conductor use to bring the current for the appliance to the guest’s skin
- 27. the unit of electric resistance