Electricity

1234567891011121314151617181920212223242526272829
Across
  1. 3. changes DC to AC
  2. 4. when more current flows than the line is designed to carry
  3. 6. has a motor
  4. 7. (light) combination light broken into individual wavelengths
  5. 11. measurement of waves from crest to crest
  6. 12. when an appliance is turned on
  7. 13. type of light that can be more damaging that infrared light
  8. 15. changes AC to DC
  9. 16. Liquid or gas
  10. 19. material that allows electricity to flow through it
  11. 20. technical name of any electrically powered appliance
  12. 22. flow of tiny negatively charged particles
  13. 23. use to generate heat
  14. 26. material that allows electric current to flow?
  15. 28. direct contact
  16. 29. a kind of light provided by an ordinary lightbulb
Down
  1. 1. produces an alternating current
  2. 2. direct current that has an electrochemical effect
  3. 5. through a vacuum
  4. 7. measure of how much electrical energy is being used
  5. 8. produces light, heat, chemical and magnetic changes
  6. 9. (light) portion of the electromagnetic spectrum humans can see
  7. 10. the unit of electric pressure
  8. 14. measure of electric strength
  9. 17. alternating current
  10. 18. type of light that produces heat
  11. 21. process of forcing an acid or alkali into the skin by applying current to the chemical
  12. 24. an economical and long-lasting light source
  13. 25. current conductor use to bring the current for the appliance to the guest’s skin
  14. 27. the unit of electric resistance