ÖĞRENCİ ÇİZİMLERİ YOLUYLA ORTAÖĞRETİM ÖĞRENCİLERİNİN HÜCRE KONUSUNDAKİ KAVRAMSAL BİLGİ DÜZEYLERİNİN BELİRLENMESİ

The cell, as the amazing unit of life, is the smallest structure of living which acts as a thing alone and can carry out all the vital functions of life. The technological developments and multidisciplinary studies provide new opportunities to understand the structure of cell continually. According to these studies, the target is to determine the knowledge levels of high education students on the basic part of cell and organelles as part of their drawings. The students are asked to draw an animal cell and to state the names of the organelles with the basic parts of cell. In this respect, it has been studied on their conceptual knowledge levels upon cell. This study has focused on totally 286 students of 9th, 10th, 11th and 12th classes on three different high educations in Kars, city centre , in 2014-15 Education Year. Although the students are asked to draw an animal cell and to show the parts, they have drawn chloroplast and cell wall which are not in animal cells and are the parts of plant cell. This manner demonstrates that the high education students have less misconception on subjects of animal and plant cells. As a result of surveys, in all of 9th, 10th, 11th classes, it is obvious that they have stated the core as the basic part of cell; yet, in the 12th classes, the students have stated the mitochondria as a cell organelle in their drawings. The cell nucleus is the most stated cell structure respectively %82, %76,6 and %86,3 in 11th classes; mitochondria is the most stated one in 12th classes at the rate of % 96,7 in the drawings of the students. The cell nucleus as basic structure of cell, cytoplasm and cell membrane; mitochondria as cell organelles, ribosome, golgi apparatus, tonoplast, endoplasmic reticulum,lysosome and centrosome have been the parts of animal cell the students in the study all carry out in their drawings. This matter also indicates that they clearly have learned these structures and organelles as syllabus in science and technology lesson of high students as well as in biology lesson of high education students as they repeat. Of all these organelles, 7 especially golgi apparatus and lysosome have been increased at the rate of %46,2 and %40 compared to previous year, they have become the best known organelles. While the nucleolus has not been stated by the students of 9th class, RNA, chromosome, chromatin fibre and pore have been only stated by the students of 12th class as cellular structures.

Keywords:

High education students animal cell, students' drawings, conceptual knowledge levels.,

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