Nearly 14 million species are estimated to exist on Earth, of which 1.8 million have been identified, and new species are being added to the world of science every day. Therefore, scientists are aware that there are still unidentified species living globally. Biodiversity is a wide concept encompassing all living things in our living space. This…

In the present research, the "DNA Model with Clothespins" activity was designed to teach the subjects of nucleotide, DNA, and DNA replication, which are abstract subjects of science. The aim of the research, which was carried out with 20 students in 8th grade, was to examine the effects of the activity on students' achievement on the…

This study focused on the relationships between teacher characteristics and students' mathematics achievement in EU countries, including Hungary, Italy, Lithuania, Malta, Slovenia, Sweden, and Turkey, which are the only EU countries participated in TIMSS 2015 at the eighth-grade level. The data consisted of the sample of 31,969 eighth-grade…

Science process skills are an important part of scientific inquiry that need to be monitored so that pupils can improve their skills to do science. Although there are several science process skills tests mentioned in the literature, we decided to develop an online one in order to improve the usefulness of the test and enable autoscoring to reduce…

This study aims at analyzing the learning outcomes of the 2018 science education curricula in Turkey according to science process skills. Learning outcomes are statements that describe what a learner will know, understand, and/or be able to do after completing a learning process. Learning outcomes were evaluated using document analysis which is a…

This research investigates the Models of eighth-grade students in Turkey pertaining to magnets and magnetic interactions, while also examining the consistency of these models within themselves. Additionally, a comparative assessment is conducted by comparing the current data with data collected from eighth-grade students a decade earlier. The…

The current study aimed to investigate the effect of visual media-supported classroom discussions on 8th grade students' attitudes towards socio-scientific issues, towards research and inquiry and on their decision making. The study was conducted in a secondary school located in a city in the western part of Turkey in the fall term of the…

This study aims to evaluate exam questions set by science teachers for eighth grade students and science questions from a central high school entrance exam (HSEE) according to the Revised Bloom's Taxonomy (RBT). In this study, document analysis technique was employed, as one of the recognized methods of qualitative research. The HSEE science…

The aim of this study is to reveal the effect of using virtual lab application in science teaching on students' academic achievement and students' views on virtual lab application. The study group of the research consists of 62 students studying in the 8th grade of a secondary school in Antalya in the 2019-2020 academic years. Mixed method design…

Individuals have different opinions and views on many socio-scientific issues such as stem cells, influenza vaccine, cloning, nuclear power plants, and organ transplantation that affect social life. Scientific attitudes and scientific literacy of individuals can affect their approach to socio-scientific issues. This research aims to reveal how…

The aim of the study is to reveal the concurrent validity of the Central Examination of Secondary Education Institutions (OKMS). For this purpose, the relationship between the OKMS subtest raw scores of the students who took the exam and the 8th-grade year-end achievement scores of the courses within the scope of the exam was analyzed by canonical…

THS is applied to Science High Schools, Social Sciences High Schools, Anatolian Technical Programs of Vocational and Technical Anatolian High Schools and Project schools for student selection. With THS, approximately 10 percent of more than one million students are placed in a secondary education institution based on their preferences. The purpose…

This study was aimed to calculate teachers' effective use of time in scientific inquiry lessons. The research was designed as a case study. The study group of the research consists of 5 pre-school teachers determined by the convenient sampling method. Before the study, the participants were taken in-service training program on scientific inquiry.…

In this study, in line with TIMSS 2019 data, 8th grade students' school engagement in the Turkish education system and various variables in the field of science and mathematics, which are thought to be related to school engagement, were examined with the Random Forest method, a method amongst data mining methods. This research focuses on student…

This study is an attempt to examine science teachers' views on Argumentation-Based Science Learning (ABSL) and the activities they have prepared. The study employed a qualitative case study method. The working group consisted of 5 science teachers who work in secondary schools affiliated with the Ministry of National Education in Turkey and who…