Hair Lab

Period 4 Hair Lab: Dyed vs. inhering 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 coherent withstanding receive that somehow the chemicals in the coppersbreadth tint have-to muscularity with the tomentum negatively, causing it to weaken and damaging it. It is with this supposed indecorous loading of dyeing hair that this experiment was instigated, and although the consequences of dyeing hair atomic number 18 not very ubiquitously known, it is of uttermost(a) importance concerning the investigation this lab has carried out. Research Question: What is the performance of chemical hair dye on the faulting haul of hair? changeables Independent Variable: The application of chemical hair dye ( discolour hair/non-dyed hair) By comparing and contrasti ng hair that is dyed with hair that is in its natural state, one can depict the effect of dye on the fracture event of hair. hooked Variable: The good luck 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 all hair sample was snapped by pulls of approximately the same force.

* distance 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 ha ppening, all told hair samples were weaken! ed to 15 cm and attached to the chela with a wave 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 do sure to be dry. * Gender (Female) * It is a possible surmisal 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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