Investigating how the refractive index of Benzene, Water, and ethanol varies with Temperature

The goal of this experiment is to find out the effect temperature has on the refractive index of Water, Benzene, and ethanol.
I’ve already started with the intro methods and experiment for water. Please continue from where stopped and feel free to edit the intro; If possible, you may add some background.
Add graphs, charts, or stats when necessary
Complete a standard IB internal assessment paper

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