Developing and implementing supplementary activities based on sts approach in secondary 8. grade science lesson in the unit of genetics

The aim of this study is to reveal STS Approach acivities? effects upon secondaryschool students? success and ideas about STS activities. The main objectives of the study are;1) to determine students? knowlede levels towards STS Issues in Genetics Unit. 2) todetermine how students knowledge levels will cahange after implementation. 3) to interviewwith students to reveal ideas about STS activities.. 4) to investigate changes in students? usinglevel of basic science concepts and science knowledge.In the study, activities related with ?Genetics Unit? were developed based on STSApproach. These topics were also selected by using media because of their actual nature inmedia. Study was implemented with 8. class students in Çıtak ve Kıralan secondary school inÇivril district in Denizli province. n this study, experimental model with one samples pretest-posttest design was used. Before and after implementation an open-ended test about geneticdevelopments and Bioethics Issues was applied to students. Students?ideas about STSactivities were taken by interviews.The students answers to open-ended questions before the implementation, shows thateach student has diverse ideas and they were unaware of the developments in Genetic. Afterthe implementation, it was seen that students have acquaired ideas about geneticdevolopments and publical problems. Students have positive ideas about activities. STSapproach can be implemented in Science and Technology courses successfully.Keywords: Science and technology education, STS approach, interactive engagemetmethods, Biotechnology, Bioethics.