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Using chemical models for developing natural science competences in teaching chemistry
Darinka Sikošek, Mateja Žuželj, 2013, original scientific article

Abstract: Chemical models are indispensable tool in chemistry class and enable secondary school pupils to develop complex thought processes and spatial concepts, both of which are necessary to improve their understanding of chemical concepts. In this research, special emphasis is given to complex competencies not only their acquisition, but rather how pupils develop them. For this purpose, a learning strategy has been developed, called learning by self-generating chemical models. Pupils learn individually on their own models, which are made from easily accessible, low-cost materials. The impact of workable models was investigated (assembly of commercial models and production of self-made models) on the (1) learning success using simple molecule shapes and (2) the degree of competence development which realized through the implemented activities. The study involved first-year secondary school-pupils, defined as self-creators of paper- and -wire models (experimental group) and assemblers of commercial models (called the control group). The appearance of the molecules being studied took the form of geometric shapes and structures, which pupils present by making of ball-, called wire-models from plasticine and wire or paper created, called paper models. Based on the results of statistical processing of the data, we found that self-creation of models (as an innovative approach) leads to better understanding and to subsequently sustained knowledge for the pupil. It should also be noted that pupils who were self-generators in comparisons to those who merely assembled the models, generally developed many complex skills in the areas of problem solving, practical competence, mathematical competence and critical thinking skills. The knowledge so acquired was also better understood.
Keywords: education, chemical models, competencies, chemistry, self-made models
Published: 19.12.2017; Views: 718; Downloads: 53
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Implementation of process-targeted activities of prospective chemistry teachers during continuous teaching practice
Darinka Sikošek, Kornelia Žarić, 2013, original scientific article

Abstract: The main aim of the teacher study program is to ensure the proper role of teaching practice, which is included in initial teacher training courses. It is necessary that teachers of chemistry gain or develop learner competencies for appropriate teaching/ learning in the chemistry subject by using innovative teaching methods. In terms of activities and methods correction of the continuous teaching practice model for prospective chemistry teachers in Pedagogical study program of 2nd degree "Educational Chemistry" which would ensure the creation of a competent chemistry teacher (active and innovative). The main result of the study is a list of potential competencies by prospective chemistry teachers using innovative teaching methods. These competencies can be developed and produced in the performance of activities defined by using continuous teaching practice, particularly in the areas of testing and assessment, experiential and collaborative learning, and experimental (laboratory and field) work. Each of these components is separately assessed by activity and competence.
Keywords: education, innovative teaching methods, competencies, chemistry
Published: 15.12.2017; Views: 408; Downloads: 61
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Development of the research tool to identify factors affecting the use of chemistry educational software
Kateřina Chroustová, Martin Bílek, Andrej Šorgo, 2015, original scientific article

Abstract: Currently, the implementation of information and communication technologies (ICT) has been strongly recommended to science teachers. For identification the factors of successful ICT implementation the Unified Theory of Use and Acceptance of Technology (UTAUT) is applied, which works as the theoretical background of planned monitoring of Czech chemistry teachers´ attitudes to this problem. This theoretical review introduces the process of creating the modified UTAUT model serving as the basis for a research tool to be exploited for the future survey. Within this process three sources were exploited: (1) theories dealing with factors which influence user behaviour in relation to the use of modern technologies, (2) the analysis of research results focused on the acceptance and use of ICT in chemistry instruction and (3) results of researches conducted by the authors in the field of the effectiveness of the educational software used in chemistry teaching and learning. The conducted analysis of these three sources resulted in defining the presented survey and designing the appropriate theoretical model and research tool.
Keywords: education, chemistry education, educational software, teachers' attitudes
Published: 15.12.2017; Views: 468; Downloads: 67
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Experiential learning - a case on diapers' polymers
Nika Golob, 2012, original scientific article

Abstract: The development of science competences requires establishing a link between theory and real world experience. Experiential learning offers the possibility for developing effective science competences as well as specific chemical competences at different stages of the educational vertical. The experiential learning strategy was implemented through experimental work and the cooperative learning method. Students studied diapers' polymers during chemistry class. The results of the case study analysis confirm better motivation for studying chemistry when material from everyday life is used as an educational prop. In order to monitor development levels of individual student competences, a set of instruments which includes monitoring dialogic teaching should be further developed.
Keywords: education, chemistry, experiential learning, science competences, experimental work
Published: 07.06.2012; Views: 1379; Downloads: 61
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