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Evaluation of lower-secondary chemistry textbooks' visual representations in the topics of acids, bases and neutralisation
Krumlová, Eliška ; Rusek, Martin (advisor) ; Bílek, Martin (referee)
The bachelor thesis is focused on the analysis of visual components used in chemistry textbooks for lower-secondary schools in the Czech Republic in the topic of acids, bases and neutralization. In the first part, attention is paid to the theory of textbooks, their development, research and the triple representation of visuals in the natural sciences. The following sections describe the objectives, methods and results of the thesis. The aim was to analyse the visual components used in the topic of acids, bases and neutralization in chemistry textbooks for the eighth grade of lower-secondary school. Furthermore, the aim of this thesis was to compare textbooks based on the total number of representation of individual components (quantity and proportions). The performed analysis complements the current overview of the representation of visual components. It was found that Fraus publishing house textbooks have the most represented images in the analysed topic, and on the other hand Nová škola textbooks include the least representation. The analysis further showed that most textbooks contain no sub-micro representations on acids, bases and neutralization. This representation can be found only in the textbooks published by Fraus and in the textbook Hravá chemie (Playful chemistry) published by Taktik....
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