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help with the variable(s) of the chemisrty if hair
Posted: Sun Nov 22, 2009 2:01 pm
by Mz.Ni3ha
Good afternoon! I was hoping that you could help me figure out the independent and dependent variables in the chemistry of hair highlights project on this site. Thanks!
Re: help with the variable(s) of the chemisrty if hair
Posted: Sun Nov 22, 2009 9:48 pm
by deleted-71827
Hi!
Here's a nice review of variables on the ScienceBuddies website!
https://www.sciencebuddies.org/science- ... bles.shtml
In this particular experiment, it seems like the independent variable would be pH of bleaching solution/sunlight and the dependent variable would be the ability to lighten hair, or rather, to what extent is the hair lightened. Hope this helps!