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Alves, H.; Manhita, A.; Dias, C. Barrocas; Ferreira, T. – Chemistry Education Research and Practice, 2014
This paper describes a mini-project developed with 10th grade Portuguese students where, by using an experimental activity involving the use of natural dyes to colour wool, students acquired a better understanding of the concepts and relationship between the colour, the electromagnetic spectrum, and chemical bonding. As demonstrated by the results…
Descriptors: Foreign Countries, Grade 10, Secondary School Science, Science Experiments
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Tekes, Hanife; Gonen, Selahattin – Science Education International, 2012
The purpose of the present study was to examine how the use of V-diagrams one of the learning techniques used in laboratory studies in experiments conducted regarding the 10th grade lesson unit of "waves" influenced students' achievements. In the study, a quasi-experimental design with a pretest and posttest control group was used. The…
Descriptors: Foreign Countries, High School Students, Grade 10, Visual Aids