The aim of this study was to investigate the social media addiction of high school students in terms of some variables such as age, class, type of school, gender and daily average internet usage period. Survey method was used in the study. “Social Media Addiction Scale” (SMAS) developed by Tutgun-Unal and “Personal Information Form” prepared by the researcher were used as data collection tools. The data were obtained from a total of 596 students studying in three high schools with different academic achievement level in Kirsehir in Turkey. No significant difference was found in terms of gender variable. When the total scores of high school students on Social Media Addiction Scale are examined, it is determined that the students have “low level of addiction”. In addition, it was found that there was a significant relationship between high school students' daily average internet usage time and social media addiction.

Previous study on the nature of science indicated that the use of activities is essential and important in the teaching of the nature of science subjects. The aim of the research is to develop alternative activities for helping students in the seventh grade of middle school develop their views on the nature of science and for better teaching the nature of science. In this study, four different activities suitable for middle school seventh class achievements which are also related to the nature of science were developed and worksheets related to those activities were prepared. The activities and worksheets were examined by two science education experts and necessary arrangements were made in line with their opinions. These events are called; "mystery candle inbox", "following trail", "mystery in box", and "Colorful lights" activity. This study was designed according to case study settings from qualitative research methods. The research group consists of 27 students who are in the seventh grade of a middle school in Kırşehir. When the activities are being carried out, students filled in worksheets for each activity. The worksheets were analyzed by content analysis method. At the end of the research, it was determined that the designed and applied the nature of science activities have a positive effect on the development of the students' opinions about the nature of science.

Piaget ve Vygotsky Bilişsel Gelişim Kuramları İlbilge DÖKME Sınıf Düzeyine ve Bilim Sanat Eğitim Merkezlerine Kayıtlı Olma Durumuna Göre Öğrencilerinin Bilimsel Muhakeme Becerileri Nil YILDIZ İlbilge DÖKME Eğitsel Filmlerin Fen Bilgisi Öğretmen Adaylarının Öğretmen Yeterlik İnançlarına Etkisi Yılmaz KARA Stem Etkinliklerinin 8. Sınıf Öğrencilerinin Elektrik Ünitesine Yönelik Metaforik Algılarına Etkisi Sebahattin TINMAZ Betül TİMUR Özel Eğitim Okullarında Görev Yapan Öğretmenlerin Mesleki Gelişimleri ve Yaşam Boyu Öğrenmelerine İlişkin Görüşleri Sevil FİLİZ Gurbet KÜPÇÜK Kelime İlişkilendirme Testi Aracılığıyla Fen Bilgisi Öğretmen Adaylarının Sürdürülebilirlik Kavramına İlişkin Bilişsel Yapılarının (KİT) İncelenmesi Ahmet Volkan YÜZÜAK Emrah HİĞDE Zekiye Merve ÖCAL Bilsem’deki (Bilim ve Sanat Merkezi) Üstün Yetenekli Öğrencilerle Yürütülen Çalışmalar: Sistematik Derleme İlke ÇALIŞKAN Zübeyde GÜNEŞ Fen Bilgisi Öğretmen Adaylarının Otizm Algılarının İncelenmesi Nagihan İMER ÇETİN Ilgım ÖZERGUN KÖSE Genel Kimya Laboratuvar Uygulamalarının Fen Bilgisi Öğretmen Adaylarının Bilimsel Süreç Becerileri Algısına Etkisinin İncelenmesi Özlem AFACAN Neslihan ÖZBEK Fen Bilgisi ve Matematik Öğretmen Adaylarının Artırılmış Gerçekliğe Yönelik Algıları: Bir Metafor Çalışması Ruveyda IŞIK ERKARAGÜLLE Betül TİMUR Artırılmış Gerçeklik Uygulamalarının 6. Sınıf Öğrencilerinin Duyu Organları Konusunda Akademik Başarılarına ve Tutumlarına Etkisİ Eda ERDOĞMUŞ Sönmez GİRGİN Bilim İletişimi ve Sosyobilimsel Konular Ümit DEMİRAL