İlköğretim ve ortaöğretim öğrencilerinin atom ve moleküllerin şekli üzerine bazı fiziksel etkenlerin etkisini anlamalarının araştırılması

Year 2014, , 56 - 73, 31.07.2014

Mustafa Sarikaya , Aysegul Ergun

https://doi.org/10.19128/turje.181087

Abstract

Bu çalışmanın amacı, öğrencilerin atom ve moleküllerin şekli üzerine bazı fiziksel etkenlerin etkilerini anlamalarının araştırılmasıdır. Çalışma, karşılaştırmalı nicel geriye dönük bir araştırmadır ve çalışmada tarama modeli kullanılmıştır. Araştırmanın örneklemini 278’i ilköğretim (106 ilkokul, 172 ortaokul) ve 207’si ortaöğretim öğrencisi olmak üzere toplam 485 (223 kız, 262 erkek) öğrenci oluşturmaktadır. Evreni, araştırmanın yapıldığı ders yılında 4-12 sınıflarındaki toplam öğrenciler oluşturmaktadır. Veriler, Maddenin Parçacıklı Yapısı Kavram Testi (MPYKT, α = .86) ile toplanmıştır. Betimsel istatistik sonuçlarına göre, örneklemin sadece %16’sı (n = 77), fiziksel etkenlerin atom ve moleküllerin şekli üzerinde etkili olamayacağını ifade etmiştir. %84’ü (n = 308), örneğin, darbelerin atomları, molekülleri parçalayabileceğini ifade etmiştir. Öğretim düzeyi temelinde, ilkokul öğrencilerinin tamamı, ortaokul öğrencilerinin %97’si ve lise öğrencilerinin %65’i, fiziksel etkenlerin atom ve moleküllerin şeklini değiştirebileceğini belirtmişlerdir. Sonuçlar, atom ve molekül kavramlarının, lise seviyesinde bile yeterince anlaşılamadığını göstermektedir. Bu sonuçların ışığında, atom, molekül kavramlarının öğretimine daha fazla özen gösterilmesi gerektiği vurgulanmıştır.

Keywords

fiziksel değişim, Atom Kavramı, Molekül Kavramı

Investigating the primary and secondary school students’ understanding of the effects of some physical elements on the shape of the atoms and molecules

Abstract

The purpose of this study is to research the students’ understandings of the effects of some physical elements on the shape of the atoms and molecules. The study is a comparatively quantitative and retroactive research and the screening model was utilized for the study as well. The sampling population of the study is comprised of 485 students, (223 females and 262 males) including 278 students from primary education (106 primary school and 172 secondary school) and 207 students from secondary education. The population of the study is comprised of the total number of the students from 4th to 12th grades within the study term in which the study had been conducted. The data was obtained by the Conceptual Test “The Particle Based Structure of the Matter” (CT-PBSM α = .86). According to the descriptive analysis results; only 16% of the sampling population (n = 77) indicated that the physical elements would have no effect on the shapes of atoms and molecules. 84% of the population however, (n = 38) stated that the impacts may shatter the atoms and molecules. Within the scope of the level of education, all primary school students as well as 97% of the secondary school students and 65% of the high school students claimed that the physical elements may change the shape of the atoms and molecules. The results point out that the concepts of atoms and molecules are not totally grasped even at high school education levels. In the light of such results; it was underlined that the education and the teaching of the concepts of atoms and molecules should be given more care and importance.

Keywords

physical change, the concept of atom, the concept of molecule

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