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Direct linkKamata, Masahiro; Yajima, Seiko – Journal of Chemical Education, 2013
An educational experiment illustrates the electrolysis of water and copper chloride to middle school science students. The electrolysis cell is composed of filter paper soaked with Na[subscript 2]SO[subscript 4] or CuCl[subscript 2] aqueous solution sandwiched, along with a sheet of platinum foil, between two coin-type lithium batteries. When the…
Descriptors: Science Instruction, Chemistry, Science Laboratories, Middle Schools
Kamata, Masahiro; Takeuchi, Noriko; Akahane, Hisao; Shoji, Ryuichi – Physics Education, 2002
Although ammeters are very important tools for science classes in elementary and junior high schools, many ordinary ones are not easy to handle nor sufficiently educational. From this viewpoint, the authors have investigated the possibility of using clamp-on ammeters, which are very common among professional electricians, for educational purposes.…
Descriptors: Junior High School Students, Secondary School Science, Laboratory Equipment, Science Laboratories
