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Nakiboglu, Canan – Chemistry Education Research and Practice, 2023
The topic of physical and chemical changes is one of the basic and essential issues of both the lowersecondary school science curriculum and the upper-secondary school chemistry curriculum in many countries. The focus of the present study is to investigate the students' cognitive structures on the topic of physical and chemical changes at…
Descriptors: Chemistry, Science Instruction, Secondary School Students, Cognitive Structures