In this graduate thesis we examine the opinions and elementary understanding of physical concepts among prospective teachers. The theoretical part of this paper is investigating the question of concepts, explains what is actually a concept and describes cognitive development of a child; then we processed the meaning of natural science and we determine the goals of natural science teaching area; we describe the natural science procedures in classrooms; study the role of the teacher in modern teaching; we bring the methods and forms of work in contemporary teaching and also give an example o fan experiment that can be carried out in classroom. The research of opinions and elementary understanding of physical concepts among students of teaching department included third, fourth and fifth year students University of Zadar. There were 84 respondents. During the research respondents were filling out the poll which had 21 claim, and they were solving six tasks that we used to estimate their elementary understanding of physical concepts. The data was processed quantitatively, using the descriptive statistic. We calculated the frequency of grade from every claim, and then we got our results. We concluded that students have positive opinions about physics and that they have good understanding of elementary physical concepts.