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      In the qualification work, an analysis of psychological-pedagogical and scientific-methodical literature on the research problem was carried out. As experimental factors in the formation of initial concepts about organic substances, the systematic use of structural-logical abstracts and applied chemical experiments were substantiated. The results of the experimental verification of the influence of well-founded methodical factors on the formation of initial concepts about organic substances among elementary school students are disclosed. The qualification work consists of an introduction, three sections, conclusions, a list of used sources (43 titles). The total volume of the qualification work is 85 pages. 1 table and 7 figures are presented in the qualification work. [1]
      In the qualification work, an analysis of psychological-pedagogical and scientific-methodical literature on the research problem was carried out. The essence of the concept of "electronic learning tools" was clarified and the analysis of existing online services and platforms for test control of students' knowledge was carried out. Test tasks in chemistry were developed to control the educational achievements of students on the topics: «Initial chemical concepts», «Oxygen», «Water» using the national educational platform «Vseosvita». A pedagogical experiment proved the effectiveness of using a test to check students' knowledge in online chemistry education. The qualification work consists of an introduction, three sections, conclusions, a list of used sources (40 names). The total volume of the qualification work is 74 pages. The qualification paper contains 3 tables and 31 figures. [1]