Gifted Children? Images about STEM?s E

Bu araştırma Türkiye'de öğrenim gören ortaokul seviyesindeki bir grup özel yetenekli öğrencinin mühendis/mühendislik algılarını ortaya çıkarmak için yapılmıştır. Temel nitel araştırma olarak yürütülen bu çalışmaya Türkiye'deki Bilim Sanat Merkezlerinden birinde öğrenim gören 72 (26 kız, 46 erkek) öğrenci katılmıştır. Veriler, kişisel bilgiler formu, "Bir Mühendis Çiz Testi (BMÇT)" ve çizimler hakkında gerçekleştirilen görüşmeler aracılığıyla toplanmıştır. Toplanan veriler içerik analizine tabi tutulmuştur. Sonuç olarak katılımcıların çoğunun mühendisliğin tasarım boyutuna değindikleri ve inşaat mühendisi çizdiği görülmüştür. Ayrıca araştırmaya katılan öğrencilerin, mühendisliği erkek mesleği olarak algıladıkları ortaya çıkmıştır. Özel yetenekli öğrencilerin eğitiminde öğrenme ortamları, öğrencilerin mühendisliğe ilişkin algılarını ve yeteneklerini geliştirilecek şekilde düzenlenebilir.This research aimed to clarify how a group of gifted secondary school students in Turkey perceive engineer/engineering. 72 students (26 girls, 46 boys) from one of the Science and Art Centers in Turkey participated in this research carried out as basic qualitative research. Data was collected through personal information form, "Draw an Engineer Test (DAET), and interviews about participants' drawings. Collected data subjected to content analysis. The findings revealed that engineers in most participants' drawings engage in design. Most of the participants drew a civil engineer and perceive engineering as a man's job. In gifted and talented students' education, learning environments could arrange students' perceptions of their ability for engineering to be improved

The Effect of Inquiry-Based Learning Approach on Conceptual Understanding Level and Some Learning Outcomes

Bu araştırmanın amacı, ilköğretim fen ve teknoloji dersinde, “Maddenin Tanecikli Yapısı” ünitesi, araştırmaya dayalı öğrenme yaklaşımına göre geliştirilen etkinlik setinin, 6. sınıf öğrencilerinin kavramsal anlama düzeyi ve bazı öğrenme çıktıları üzerine etkisini belirlemek ve etkinlik setinin derste kullanımına yönelik öğrenci görüşlerini tespit etmektir. Araştırma, 2012-2013 öğretim yılının güz döneminde, 90, 6. sınıf öğrencisi üzerinde gerçekleştirilmiştir. Araştırmada, karma yöntem kullanılmıştır. Araştırma sonucunda, araştırmaya dayalı öğrenme yaklaşımına uygun hazırlanan rehber etkinlikler ile desteklenen fen ve teknoloji derslerinin, öğrencilerin bilimsel süreç becerileri, akademik başarıları ve fen ve teknoloji dersine yönelik tutum puanları üzerinde anlamlı etkisi olduğu görülmüştür. Araştırmaya dayalı geliştirilen etkinlikler ile ilgili öğrencilerle yapılan görüşmeler sonucunda, öğrenciler, etkinliklerin eğlenceli olduğunu, deneyleri ve etkinlikleri yapmaktan hoşlandıklarını, derse daha fazla ilgi duymaya başladıklarını ve etkinliklerin öğrenmelerini kolaylaştırdığını ifade etmişlerdir.In the present study, the purpose is to determine the effect of activity set developed according to inquirybased learning approach on sixth graders’ conceptual understanding of the unit “Particulate Structure of Matter” in elementary school science and technology course and some learning outcomes and to elicit the students’ opinions about the use of this activity set in class. The study was conducted with 90 sixth grade students attending four sixth grade classes of in the fall term of 2012-2013 school year. The current study employed mixed method. The findings of the study revealed that science and technology teaching supported with guided activities developed in line with inquiry-based learning approach have significant effects on the students’ scientific process skills, academic achievement, scores of attitudes towards science and technology course. The data collected through interviews with students revealed that the inquiry-based activities were found to be enjoyable and the lessons were joyful, and the students liked performing these activities, started to be more interested in lessons and learning became easier

5E Öğrenme Modeline Dayalı Etkinliklerin Öğrencilerin Bilimsel Süreç Becerileri ve Akademik Başarılarına Etkisi

Bu çalışmanın amacı, 6.sınıf ışık ve ses ünitesinde 5E öğrenme modeline dayalı etkinliklerin öğrencilerin bilimsel süreç becerileri ve akademik başarıları üzerindeki etkisini belirlemek ve bu etkinliklerin derste kullanımına yönelik öğrenci görüşlerini tespit etmektir. Bu amaca hizmet etmesi açısından 5E öğrenme modeline dayalı olarak rehber etkinlik seti geliştirilmiş ve setin süreçte etkililiği değerlendirilmiştir. 2011-2012 eğitim-öğretim yılında Sinop ili merkez ilçesinde bir ilköğretim okulunda altıncı sınıfa devam eden 25 deney ve 17 kontrol grubu öğrencisi ile gerçekleştirilen bu araştırmada karma yöntemler araştırma yöntemi kullanılmıştır. Araştırmanın nicel bölümünde, ön test son test kontrol gruplu deneysel desen kullanılmıştır. Araştırmanın deney grubu öğrencileri ile gerçekleştirilen nitel bölümünde ise durum çalışması (casestudy) yöntemi kullanılmıştır. Araştırma süresince elde edilen nicel verilerin analizleri SPSS 15.0 istatistik paket programı ile nitel verilerin analizi ise içerik analizi ve sürekli karşılaştırılmalı veri analizi yöntemleri birlikte kullanılarak NVivo 8.0 Nitel Veri Analizi Programı ile gerçekleştirilmiştir. Araştırmada 5E öğrenme modeline uygun hazırlanan rehber etkinlikleri ile desteklenen dersin öğrencilerin bilimsel süreç becerileri ve akademik başarıları üzerinde anlamlı ve olumlu etkisi olmuştur

Science Reasoning Levels of Prospective Science and Primary Teacher

Logical thinking includes scientific knowledge and skills to understand hypotheses that depend on theory, statistic, cause and effect. Logical thinking and using reasoning skills play an important role for students' academic achievement, understanding scientific concepts and nature of science. The students who can use these skills can construct hypothesis, and test this correct or incorrect into their mind. Moreover, they can solve higher order problem and transfer reasoning skills to different or new problems. This situation is important for science education since students should these skills effectively in physics, chemistry and biology courses. In the present study, science and primary education prospective teachers' reasoning levels were determined and investigated whether there was effect of some variables such as mother-father education state, classroom level, gender on prospective teachers' reasoning levels. Hence Lawson's Science Reasoning Test was applied to 795 science and primary education teacher candidates in Turkey. It was found that the science and primary education teacher candidates' reasoning levels were slightly below medium-level and there was no significant meaning between science and primary education teacher candidates' reasoning levels. The effect of some variables on teacher candidates' reasoning level was detailed in the section of finding

Elementary school 6th grade students’ attitudes towards technology and their opinions about science teaching performed through ınteractive white board

The purpose of the present study is to determine elementary school 6th grade students’ attitudes towards technology and their opinions about teaching science and technology course through interactive whiteboard (IWB). Technology attitude scale developed by Yurdugül and Aşkar was used to determine students’ attitudes towards technology and an interview protocol including one open-ended question was used to elicit students’ opinions about teaching science and technology course through IWB. According to findings of the study, while there is no significant relationship between the gender variable and their attitudes towards technology, there is a significant difference favoring the male students in relation to tendency towards technology and technology for everyone, and a significant difference favoring the female students in relation to negative aspects of technology. Moreover, the students stated that they learn the topics better when IWB is used in teaching science and technology course, they feel more motivated and visualizations help them to understand better

The forward bias current density-voltage-temperature (J-V-T) characteristics of Al-SiO2-pSi (MIS) Schottky diodes

Metal-insulator-semiconductor Schottky diodes were fabricated to investigate the tunnel effect and the dominant carrier transport mechanism by using current density-voltage (J-V) and capacitance-voltage (C-V) measurements in the temperature range of 295-370 K. The slope of the ln J-V curves was almost constant value over the nearly four decades of current and the forward bias current density J is found to be proportional to Jo (T) exp(AV). The values of Nss estimated from J-V and C-V measurements decreased with increasing temperature. The temperature dependence of the barrier heights obtained from forward bias J-V was found to be entirely different than that from the reverse bias C-V characteristics. All these behaviours confirmed that the prepared samples have a tunnel effect and the current transport mechanism in the temperature range of 295-370 K was predominated by a trap-assisted multi-step tunnelling, although the Si wafer has low doping concentration and the measurements were made at moderate temperature

The use of technology is gaining importance in the developing world: the problems of primary school teachers encountered about computer technologies and solution suggestions

AbstractThe purpose of this research is to determine the problems of primary teachers encountered and suggesting some solutions to problems about computer technologies. The data of the study were collected by means of interview method with 5 open-ended questions which were prepared by the researchers. The data were analyzed using descriptive analysis method. The findings indicated that teachers usually preferred not to use technological devices. In light of the findings of the study, it seems that the problems encountered by the teachers in relation to the use of computer technologies result from lack of adequate knowledge, and shortage of technical personnel and hardware

Investigation of 7th Grade Primary School Students’ Motivation towards Science and Technology Course in Terms of Some Variables

The purpose of this study is to investigate the effects of different demographic characteristics of 7th grade primary school students on their motivation levels towards science learning and its sub-dimensions which are doing research, performance, communication, cooperative working and participation. In the study, 280 students attending primary schools in the central district of Konya province were administered a 23-item “Motivation towards Science Learning Scale”. In the data analysis, in order to determine the difference between students’ motivation towards science and technology course and their personal characteristics, t-test, analysis of variance (ANOVA), arithmetic mean and standard deviation were used. As for the investigation of the relationship between students’ motivation towards science and technology course and their academic achievement, correlation analysis was carried out. According to the results of the analysis, motivation levels of students participating in the study towards learning science were determined to be at medium level. A significant difference was observed in favor of female students in terms of gender, father’s education level, monthly income and having a private study room or not, but there was no significant difference with regard to mother’s education level. Also, it was concluded that there was a weak but positive relationship between students’ motivation towards learning science and their academic achievement