Özet:

The aim of this study is to research the effect of the STEM activities, developed for 5th grade “Substance and Change” unit on the students’ skill of the related concepts with the daily life. In this study Mixed Method was used. In the quantitative dimension the simple experimental method was used and in the qualitative dimension the holistic single case descriptive which is case study designs, was used. The sample of the study consisted of 27 students (13 girls, 14 boys) from the 5th grade students of a state school, where the students having a moderate level of socioeconomic status were receiving education, in the 2017-2018 academic year. For the qualitative data of the study, semi-structured interviews were conducted with seven students (3 girls, 4 boys) who were chosen randomly from the sample. The activities were carried out for five weeks during the study process. The data collection tools of the study consisted of Test for Solving the Daily Life Problem Solving Skills Test (DLPSST) which was developed by the researchers, semi-structured interview form, activity papers. The data obtained by the DLPSST was analyzed by the parametric tests and the data obtained from the interview form were analyzed by the content analysis. The activities were analyzed using the “Engineering Design Process Evaluation Rubric (EDPER)”. As a result of the study, a significant difference was found between the pretest and post-test scores of the students. In addition, an increase was seen in the EDPER points of the students from the beginning to the end of the study. It has been determined that the students have positive opinions related to the activities such as being entertaining, increasing the success, increasing their social skills and put what they have learned what they have learned into practice in daily life.

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