Özet:

Purpose of this study is to identify effects of 5E teaching model developed with deepening stage, problem-base learning method on academic achievement and attitudes of students with regards to the subject of "granular structure of the matter and mixtures" at the life sciences class of secondary school 7th grade students. The research was conducted, in 2016-2017 academic year, with 40 7th grade students in the province of Giresun, district of Dogankent. The study was conducted with semi experimental method. The implementation period of the research was limited to 3 weeks, 10 classes for both experiment and control group. As the data collection tool, an academic achievement test composed of 15 questions with KR-20 reliability coefficient calculated as .794, as developed by Şahin (2016) and the Scale of Attitude towards Science were used for the experiment and control groups. For the purpose of analyzing the data, the achievement test applied to experiment groups as pretest-posttest was analyzed with independent groups t test, and, further, pretest and posttest average values of each question in the experiment and control group were examined. The analysis of the Scale of Attitude Towards Science was carried out with independent groups t test relating to pretest and posttest points. Upon conclusion of the research, a significant difference was detected in favor of the experiment group according to posttest results of achievement test and attitude scales. This conclusion indicates that 5E teaching model developed and implemented with problem-based learning method is more effective in the academic achievement of the learner and had a positive impact upon their attitudes.

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