Q1 rub the index fingers gently over a piece of very coarse

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Q1. Rub the index fingers gently over a piece of very coarse sandpaper a few times and rate its coarseness on a scale from 1 (very soft) to 7 (very coarse). After a minute or two, rub the same finger over the paper and again rate its coarseness. Did your observation of the coarseness change? How?

Q2. Distribute one cup with sugar water and one with fresh water. Take a sip of the sugar water and swish it around in your mouth for several seconds without swallowing it; gradually, it has to tasteless sweet. After swallowing it (or spitting it back into the cup), taste from the cup containing fresh water. Did taste of the fresh water surprise you and How?

Reference no: EM13353332

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