On Thu, 8 Nov 2007 03:48:15 -0700 (MST), you wrote: >You put a little water a a small piece of dry ice (frozen carbon dioxide) >into it and close the top. The solid warms up, turns to gas and --- pop. >Like popping a champagne cork. It gets the students' attention. The top >actually slams off of our 15 foot class ceiling and lands well up the rows >of students.
It is more fun with bigger bottles. http://www.youtube.com/watch?v=cTP4yp8y_NA http://www.youtube.com/results?search_query=dry+ice (I did that once with a 24-ounce soft drink bottle. Split the thing open right down the side. I have a local Ingles supermarket that sells dry ice for 99 cents a pound). ______________________________________________ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
