Subject: Can scratching a gold ring on your face tell anything about your iron level
Date: Tue Feb 9 11:27:56 1999
Posted by Jeanne LaMoore
Grade level: 7-9
School: New Prague Middle School
City: New Prague State/Province: MN
Area of science: Biochemistry
Our students said this worked, so we tried it. On some students
(and adults) a black streak was left on their face where the
gold ring had been drawn across. On others, no mark at all was
left. Why does this happen?
Re: Can scratching a gold ring on your face tell anything about your iron level
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