The COVID-19 lockout situation affected people all over the world. Despite all of the disadvantages, this situation offered new experiences and perspectives and pushed education advances forward as never before. Something that seemed to be unreal became a worldwide reality within a few days. Instructors of all subjects at all educational levels moved to a virtual environment instantly. Higher education institutions, universities, and colleges seemed to be fairly prepared for this situation. Unfortunately, primary and secondary schools, especially in eastern and central Europe, never considered distance education as a valuable alternative before, so they did not have software, hardware, and staff prepared for such a situation. Moreover, students’ expectations and dilemmas concerning e-learning were not investigated earlier in the context of obligatory subject education. Moving to the virtual environment was particularly challenging for teachers, who wanted to transfer real class experiences into online lessons since chemistry is based on problems, observations, evidence, and experiments. Often, teachers claimed that they could be more efficient if they had knowledge, skills, and proper equipment to run classes online. This paper presents experiences of secondary chemistry teachers from Slovakia, participants in the IT Academy Project, who earlier, within the framework of the project, were equipped with the necessary skills and tools to run virtual classes, supported with data logging experiments. In this communication, the teachers’ efforts using online experimental practices are described, as well as reflections by their students about the experiences.
Assessment in many Central- and Eastern-European countries is dominated by summative assessment (SA). Simultaneously, researchers and educators from western Europe and the US proclaim the formative assessment (FA) as an important element of the educational process and advise including it into curricula and everyday teachers’ practice. The research presented herein reports an introduction of formative assessment classroom techniques (FACTs) during chemistry lessons at K7 level in Slovakia. In total 202 students participated in the research. They were divided randomly into a control (n=97) and an experimental (n=105) group, and the intervention covered 10 successive lessons. After the intervention, the student’s outcomes were compared using the test checking student’s knowledge and skills according to various domains of Bloom’s revised taxonomy. The results suggested a statistically significant increase in the score of the experimental group, and a detailed analysis revealed that the increase was significant in both lower- and higher-order cognitive skills area. Finally, the students’ reaction on the introduction of formative assessment was studied and showed their positive attitude towards the introduced method. Keywords: chemical education, formative assessment classroom techniques, higher-order cognitive skills, secondary school.
The research aim was to identify the effect of revising the thematic unit “Changes in Chemical Reactions” using IBSE (based on confirmation inquiry) in the 8th grade of secondary school. This thematic unit is taught in chemistry lessons in the 2nd term of the 7th grade. A set of activities verified by a piece of pilot research was used to implement IBSE based on confirmation inquiry using the 5E Educational Model. The research was performed in ten Slovak secondary schools during the 1st term of the 2017/2018 school year. This research employed the quasi-experimental methodology involving pre-test–post-test two-group design. The research sample consisted of 292 8th grade students. They were divided randomly into a control (n=149) and experimental (n=143) group, and the intervention took place during 10 lessons. Cognitive tests based on the revised Bloom's taxonomy were used to measure students’ knowledge and skills before and after revision. The results indicate that using IBSE (based on confirmation inquiry) in the revision phase is more effective than teaching without using IBSE in terms of developing conceptual understanding. It affects the lower and higher cognitive processes (understanding, application, and analysis) and stimulates learning mainly in students with lower academic performance. Keywords: chemistry education, cognitive processes, confirmation inquiry, secondary school.
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