The aim of this study is to reveal the status of implementation lessons with the descriptions which teacher candidates have carried out according to the primary school teachers’ constructivism approach. In the direction of this aim, it has been studied on decision for the suitability of the studies which are necessary in class, teaching and learning activities in class, studies which primary school teachers and students carry out pursuant to constructivism approach during the teaching and learning process. In 2011 – 2012 Academic Year fall semester, 50 teacher candidates who do internship in Primary Schools have taken part in the study. In this research, observation from qualitative research methods has been used. It has been demanded that teacher candidates observe the class teachers by using observation forms and taking notes of open-ended questions in the direction of 5E learning cycle’s principles used in the constructivism approach by primary school teachers. Teacher candidates have taken notes of open-ended questions about studies that teachers and students have carried out during the teaching-learning process. The data which have been acquired from the observation notes have been analysed by descriptive anlysis being used. According to the results from the findings of the study; primary school teachers observed by teacher candidates, generally did not carry out classroom activities according to the 5E model which is one of the learning cycle used in the framework of constructivism.