METHODOLOGICAL ASPECTS OF THE PROJECT “EVALUATION OF MICROBIOLOGICAL STATE IN SCHOOL PREMISES”
Journal: GAMTAMOKSLINIS UGDYMAS / NATURAL SCIENCE EDUCATION (Vol.3, No. 1)Publication Date: 2006-03-20
Authors : Daiva Paškevičienė; Algimantas Paškevičius;
Page : 37-42
Keywords : secondary school; microscopy methods;
Abstract
The article presents methodological recommendations for the implementation of the project of a microbiological nature. The urgency of the project is undoubted, as it has been noticed that school classes were overcrowded with pupils and almost not ventilated in winter, thus, schoolchildren often suffered from respiratory illnesses. Besides, secondary school programs include many themes in which the concept of microorganisms is used, however, pupils usually lack practical knowledge about isolation of microorganisms in a laboratory and their distribution in the air. The main aim of this work was to evaluate microbial contamination of school premises as well as to provide pupils with knowledge about biological peculiarities of various systematic groups (bacteria, micromycetes and yeast-like fungi) and their macro- and micro-morphological peculiarities. To achieve the aim, the following tasks were set: 1) to develop pupils' abilities to make experiments and develop their initial skills in research; 2) to form their cognitive experience of the surrounding world while performing team tasks; 3) to develop pupils' creative-organizational abilities as an integral process of theoretical and practical actions. Due to lack of equipment and conditions, it is not easy to perform microbiological projects in schools. Furthermore, a teacher should have competence, though due to this, in the article much attention is paid to the methods of project performance. Necessary labware and nutritive media for project implementation are indicated. Possible variants of an experiment scheme are discussed and the stages of the experiment are presented coherently. Preparation of microscopical mounts and microscopy methods are described in detail. It is pointed out that the identification of microorganisms is a very hard work, so teachers should be trained in microbiological methods.
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