chymist

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Chemistry in the Toy Store My experiments with common materials have been ongoing since I got my first chemistry set at the age of 10. Although I investigated the science of a number of toys for many years, my fascination with the chemistry of toys started in 1978 with one of my first formal presentations using toys in 1979. Chemistry in the Toy Store originated in 1982 at the BCCE held at the University of Oklahoma in Stillwater, OK. Since then, it has been presented over 200 times around the world and the write-up has been updated 6 times. Currently, Chemistry in the Toy Store is being updated and expanded into a book. The section on soap bubbles has been expanded and is now a separate book titled The Chemistry (and a Little Physics) of Soap Bubbles on this web site. (See menu on left.) Chemistry in the Toy Store was the first presentation to address and explain the chemistry of toys and to provide chemistry experiments to investigate or to prepare a number of toy-type materials in the lab or at home. If you ever made Slime, polyurethane foam, or disappearing ink in the classroom, then you probably followed a recipe that was originated by this author. For convenience, the 6th edition of my Chemistry in the Toy Store notes has been split into three parts. These are PDF files and require Acrobat Reader Chemistry in the Toy Store Part I: The Science of Soap Bubbles Chemistry in the Toy Store Part II: Ballons, Rubber, Shrinky Dinks, Silly Putty, Slime and Related Polymeric Materials Chemistry in the Toy Store Part III Lightsticks, Magic Sand, Magic Rocks, Liquid Crystals, Dissolving Paper, Disappearing Ink, Flammables, and Big Bang Cannons Published versions of Chemistry in the Toy Store and related material: Chemistry in the Toy Store appeared as a feature article in the 1988 Yearbook of Science and the Future of the Encyclopedia Britannica. Katz, David A., Balls and Balloons and Things That Go `Bang', Chemecology, 17, No.10, 2, December 1988-January 1989. Katz, David A., Chemistry in the Toy Store, in the 1996 AustralianChemistry Resource Book, published by the Royal Australian Chemical Institute. Katz, David A., A Bag of Slime, Journal of Chemical Education, 71, 891, October 1994. Katz, David A., Katz in the Toyshop, a regular column appearing in Education in Chemistry, published by the Royal Society of Chemistry, 1990-1993. Katz, David A., The Chemistry of Soap Bubbles, SPECTRUM, 1990. Katz, David A., Chemistry in the Toy Store, SPECTRUM, 1990. Katz, David A., Bubbles: A Popping Good Teaching Tool, The Mast Rapper the Official ­Publication of the Maryland Association of Science Teachers, 2, 20, ­September 1986. Katz, David A., Chemistry in the Toy Store, in the 1986 Australian Chemistry Resource Book, Edited by C. L. Fogliani. Katz, David A., Making Slime in Idea Bank Collation, A Handbook for Science Teachers, Edited by Irwin Talesnick, Science Supplies and Services Company Limited, ­Kingston, Ontario, Canada, 1984. Katz, David A., Making Slime in "Idea Bank", The Science Teacher, 49, No. 6, 55 (September 1982).

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