Chapter 13 Basics of electricity

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