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MR / Schenectady, NY.Yates Arts-in-Education Magnet School (urban elementary school) .Grade 4.Student (girl:10, African-American) assists science mentor in classroom as digital thermometer is used to measure the temperature of dry ice (generally about -78 degrees Celsius), which will be used in an experiment science mentor will do for the class. Mentor (materials scientist at research center, full-time working mom) volunteers weekly to demonstrate and explain scientific concepts..MR: Roy1, Lat5.© Ellen B. Senisi