Özet:

In this study, the effectiveness-based design-based renewable energy sources STEM (Science, Technology Engineering and Mathematics) activities on pre-service science teachers' science process skills, attitudes towards renewable energy sources and their knowledge with respect to renewable energy sources were investigated. The one group pretest-posttest design was used. 25 third grade pre-service science teachers enrolling in a public university participated in the study. The study lasted for 13 weeks. The data were collected in Science Teaching Laboratory Practices II course which was offered in 2017-2018 spring semester. The data were collected by using Science Process Skills Test, Attitudes towards renewable energy sources questionnaire and opinions about renewable energy sources form. The results showed that design-based STEM activities in renewable energy sources improved pre-service science teachers' science process skills. Even there was a small increase in the pre-service science teachers' attitude scores, there was no significant difference in their attitude scores after implementation. Moreover, STEM activities increased pre-service science teachers' knowledge with respect to renewable energy sources. Implications for the implementation process were proposed.

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