Subject: Why does salt and ice on skin mimic feelings of frosbite or burn?
Date: Sat Sep 11 20:29:59 1999
Posted by Terry Shumate
Grade level: teacher/prof
School: Baileysville High School
City: Brenton State/Province: WV
Area of science: Chemistry
A student of mine told me to sprinkle salt on my arm and to then hold a
piece of ice on top of the salt. He said it burned his arm. After
investigation I came to the conclusion that this was an endothermic
reaction fueling itself from body heat, and giving you the sensation of a
mild frostbite, not a burn. Even leaving a noticeable red place. What's up?
Re: Why does salt and ice on skin mimic feelings of frosbite or burn?
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