Abdul swabs one of his sister’s arms with water. He swabs her other arm with rubbing alcohol. Then he asks her to describe which feels cooler. Why is Abdul’s experiment not a scientific way of testing

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asked Oct 15, 2019 127k views

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Abdul swabs one of his sister’s arms with water. He swabs her other arm with rubbing alcohol.

Then he asks her to describe which feels cooler. Why is Abdul’s experiment not a scientific way of testing evaporation and cooling

A. His sister’s opinion is not a verifiable observation?
B. The amounts of water and alcohol are not the same?