In this lesson we observed the response of certain liquids to a charged wand and the behavior of the same liquids as droplets. This activity gave me information about possible interactioon between molecules.
in our groups of four we tested four liquids. the four molecules are water, acetic acid, isopropanol, and kerosene. the three liquids that were attraced to the rod were water acetic acid and isoprotanol. the singalliquid that wasn't attracted was kerosene.
we also did a droplet test. we placed a single droplet of each of the four liquids on a piece of waxed paper. the isoproaol droplet was flat and so was the kerosene droplet. the water and acetic acid sat high on the paper.
-mcflurffy
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