Hair Lab

Period 4 Hair Lab: Dyed vs. ingrained Hair Introduction In the world of today, tarnishing pilus is something non so uncommon. In fact, it has become so widespread as to be reflected by a verifiable statistic of over 50% of American women or teenagers tarnishing their pilus in 2005. It has been a pertinacious withstanding receive that somehow the chemicals in the coppercloth disgrace have-to get-up-and-go with the whisker negatively, causing it to weaken and damaging it. It is with this supposed unfavorable loading of dyeing cop that this experiment was instigated, and although the consequences of dyeing hair atomic number 18 not very ubiquitously known, it is of concluding importance concerning the investigation this lab has carried out. Research Question: What is the offspring of chemical hair dye on the faulting thrust of hair? changeables Independent Variable: The application of chemical hair dye ( discolor hair/non-dyed hair) By comparing and contr asting hair that is dyed with hair that is in its natural state, one can hitch the effect of dye on the fracture crash of hair. dependant Variable: The breakage force of hair in northward (N) Controlled Variable: * diligence of same force to break the hair * Differing forces can affect the breaking force of the hair, so each hair sample was snapped by pulls of approximately the same force.

* aloofness of hair (10cm) * Differing lengths can affect the breaking force, whether it is requiring more force with longer hair or less force with shorter hair. In come in to prevent this from happening, all told hair samples were ! cut to 15 cm and attached to the chela with a loop of 10 cm to pull on. * gravity of Hair (Dry) * If the hair is wet, there is a possibility of requiring a different breaking force for the hair to snap. In order to keep up with the consistency of hair samples, all hair collected were make sure to be dry. * Gender (Female) * It is a possible speculation that gender plays a role in the breaking force of hair. Playing safe, and to keep all other...If you fatality to get a full essay, order it on our website: OrderCustomPaper.com

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