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Download full textZarkadis, Nikolaos; Papageorgiou, George; Markos, Angelos – Science Education International, 2022
The main purpose of this study was to investigate the consistency of pictorial representations of the atomic structure drawn by students on the basis of particular quantum numbers' characteristics. Participants were 192 students of the 12th grade of secondary Greek schools. This study's instrument, a paper-and-pencil assessment tool, included four…
Descriptors: Quantum Mechanics, Grade 12, Secondary School Students, Nuclear Physics
Angeloudi, Anastasia; Papageorgiou, George; Markos, Angelos – Science Education International, 2018
The study explored the possibilities to improve students' argumentation ability concerning factors that affect dissolving, through the implementation of two versions of a teaching scheme, with and without particle theory. The participants (age range 10-11, n = 27) belonged to two fifth-grade classes of a primary school in Northern Greece. Data…
Descriptors: Science Instruction, Persuasive Discourse, Grade 5, Elementary School Students
