MadSci Network: Chemistry

Subject: How does the 'crayola color explosion' pen and paper work?

Date: Wed Jan 4 13:40:18 2006
Posted by sue
Grade level: 7-9 School: amherst middle school
City: amherst State/Province: ma Country: usa
Area of science: Chemistry
ID: 1136407218.Ch

Color explosion is sold by crayola and consists of a special clear marker and a 
special black paper.  When the marker is swiped over the black paper, the black 
disappears revealing swirled colors below.  What is the pen made of and how 
does it remove the black from the paper?

Re: How does the 'crayola color explosion' pen and paper work?

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