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Name: Nina K.
Status: Educator
Age: 30s
Location: N/A
Country: N/A
Date: April 29, 2003


Question:
I would like to know if there is a safer model to demonstrate a volcanic eruption other than the ammonium dichromate reaction which although fabulously exciting is deemed carcinogenic. Is there another safer chemical that can be substituted? I DO NOT want the baking soda and vinegar model!!



Replies:
"Safe" demonstrations that portray the violent eruptions of volcanos is something of an oxymoron. The demo will have to involve some sort of violent explosion -- and that means significant hazard potential from uncontrolled fire to the generation of respirable dust. I would suggest that you consider video tapes and/or DVD's of actual eruptions. Many are available on the Internet at a reasonable price. Some suggestions for where to start are:

http://www.fs.fed.us/gpnf/mshnvm/downloads/volcano-review-2002-15.pdf
http://www.alaingerente.com/edvd1.htmlDVD's
http://www.click4stuff.com/earsciendis.html
http://www.cduniverse.com/productinfo.asp?frm=lk_hitdvd&pid=1593389
http://www.videoflicks.com/titles/1079/1079935.htm
http://www.tropicalvisions.com/series-page3.html

Vince Calder



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