Electricity and Electrical Safety

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Across
  1. 2. distance between peaks of electromagnetic waves
  2. 3. known as direct current, constant even flow
  3. 5. abbreviated as O; measures resistance
  4. 6. abbreviated as A, measures strength of electric current
  5. 7. known as alternating current, rapid and interrupting
  6. 8. completes an electric circuit and carries current away
  7. 12. prevents excessive current from passing through a circuit
  8. 13. abbreviated as kw; 1,000 watts
  9. 15. movement of electrons from one atom to another
  10. 17. mirrors body's natural electrical impulses
  11. 18. changes direct current to alternating current
  12. 19. positive electrode
  13. 20. measures distance between two wavelengths
  14. 23. use of electrical currents to treat the skin
  15. 26. abbreviated as V; measures pressure or force that pushes electric currents
  16. 27. can be seen; makes up 35% of natural sunlight
Down
  1. 1. also known as an insulator
  2. 3. process used to soften and emulsify grease deposits
  3. 4. abbreviates as mA; 1/1,000 of an ampere
  4. 9. light at either end of spectrum; invisible to naked eye
  5. 10. any material that conducts electricity
  6. 11. negative electrode
  7. 14. changes alternating current to direct current
  8. 16. invisible light with longer wavelengths; 60% of natural light
  9. 20. abbreviated as W; measures electric energy being used in one second
  10. 21. currents used in electrical facial and scalp treatments
  11. 22. abbreviated as UV light; short wavelength
  12. 24. substances that speed up chemical reactions
  13. 25. positive or negative poles of an electric current