Chapter 13 Basics of electricity

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Across
  1. 3. apparatus that changes alternating current to direct current
  2. 4. substances that speed up chemical reactions
  3. 6. applicator for directing electric current from an electotherapy device to the clients skin
  4. 8. the application of light rays to the skin for the treatment of wrinkles capillaries pigmentation or hair removal
  5. 9. unit that measures how much electric energy is being used in one second
  6. 10. unit that measures the strength of an electric current
  7. 12. process of infusing water-soluble products into the skin with the use of electric current
  8. 14. a material that does not transmit electricity
  9. 16. negative electrode of an electrotherapy device
  10. 17. prevent excessive current from passing through a circuit
  11. 18. completes an electric circuit and carries the current safely away
  12. 19. apparatus that changes direction current to alternating current
  13. 20. measurement of the distance between two wavelengths
  14. 21. distance between successive peaks of electromagnetic waves
  15. 22. longer wavelengths penetrates more deeply has less energy and produces more heat that visible light
Down
  1. 1. positive elctrode of an electrotherapy device
  2. 2. light at either end of the visible spectrum of light that is invisible to the naked eye
  3. 5. rapid and interrupted current, flowing first in one direction and then in the opposite direction
  4. 7. process of fusing an acidic product into deeper tissues using galvanic current from the positive pole toward the negative pole
  5. 11. any material that conducts electricity
  6. 13. process that turns the light from a laser device into heat
  7. 15. abbreviated kw, 1,000 wats