Bob gave this paper at the BCCE at UNC in August and also at the ECRICE Conference in Barcelona in September, as well as in the UK.
As a long time demonstrator, workshop and classroom activity facilitator, and reviewer for chemical activities for education, I endorse Bob's point of view.
Best regards to all.
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David A. Katz
Chemist, Educator, Expert Demonstrator, Science Communicator, and Consultant
Programs and workshops for teachers, schools, museums, and the public
133 N. Desert Stream Dr. * Tucson, AZ 85745-2277 * USA
voice/fax: (520) 624-2207 * email:
dakatz45@msn.com
Visit my web site:
http://www.chymist.com
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