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