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Using Knowledge Space Theory to Compare Expected and Real Knowledge Spaces in Learning Stoichiometry
Segedinac, M. T.; Horvat, S.; Rodic, D. D.; Roncevic, T. N.; Savic, G. – Chemistry Education Research and Practice, 2018
This paper proposes a novel application of knowledge space theory for identifying discrepancies between the knowledge structure that experts expect students to have and the real knowledge structure that students demonstrate on tests. The proposed approach combines two methods of constructing knowledge spaces. The expected knowledge space is…
Descriptors: Science Instruction, Chemistry, Knowledge Level, Problem Solving
Milanovic, Vesna D.; Trivic, Dragica D. – Chemistry Education Research and Practice, 2017
The aim of this research was to explore the effects of two approaches, designated as the historical and the contemporary one, on the level of students' understanding of the properties and the practical use of gases. Our research hypothesis was that the historical context of the discovery of gases and the study of their properties would deepen…
Descriptors: Science Education, Secondary School Science, Secondary School Students, Chemistry
Kostic, V. Dj.; Jovanovic, V. P. Stankov; Sekulic, T. M.; Takaci, Dj. B. – Chemistry Education Research and Practice, 2016
Problem solving in the field of quantitative composition of solutions (QCS), expressed as mass share and molar concentration, is essential for chemistry students. Since successful chemistry education is based on different mathematical contents, it is important to be proficient in both mathematical and chemistry concepts as well as interconnections…
Descriptors: Problem Solving, Chemistry, Science Instruction, Mathematical Concepts
Tomasevic, Biljana; Trivic, Dragica – Chemistry Education Research and Practice, 2014
In this study, the views of Serbian chemistry teachers (N = 334) on the ways in which contemporary chemistry curricula stimulate the creativity of students were surveyed. The majority of the teachers have a positive attitude towards promoting creativity through teaching chemistry. Most of them also stated that their teaching practice contained…
Descriptors: Science Instruction, Chemistry, Science Curriculum, Science Teachers