This study employed a word association test to determine middle school students' cognitive perceptions and misconceptions of the key concepts regarding "cycles of matter and environmental problems." The study adopted descriptive research in survey model. The sample consisted of 457 eighth-grade students from four middle schools…

The purpose of this study is to develop a lesson plan that will facilitate the instruction of socioscientific issues and the acquisition of twenty-first century skills. To this end, a lesson plan comprising four hours of instruction was devised and presented in comprehensive detail. Three distinct activities were devised and executed as part of…

Within the scope of the current study, the researchers developed activities for middle school students to raise their awareness on the harm of plastics and microplastics, which are detrimental to nature and living things. In addition, through the activities developed, the study aimed to provide students with knowledge of and experience with…

The study aimed to investigate the mathematics achievement of eighth grade students on geometric transformation and geometric thinking levels. This research was carried out in the fall semester of 2018-2019. The sample was 88 students from two different middle schools in an urban area of Erzincan, Turkey. The survey model was used. The geometric…

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…

There is increasing interest in meta-analysis in different fields due to the need to combine the results of primary research. One of the crucial concepts in combining results is weighting. This study examines how Hunter and Schmidt's method, weighting by sample size; Hedges and Vevea's method, weighting by inverse variance; and Osburn and…

The goal of the study was to compare how visual representations were integrated into the contents of the U.S. and Turkish textbooks used in life science. Data was collected from 6th, 7th, and 8th grade middle school topics common to both countries. Content analysis was used to analyse visual representations in textbooks. The visual representations…

This study aims to develop a knowledge test to assess secondary school students' awareness of scientists. After determining the topics that the questions in the test would measure, 50 multiple-choice questions were prepared and presented to six experts in the field. Following the experts' feedback, the number of questions in the test was reduced…

This study was conducted to investigate whether the STEM career interests and innovation skill levels of 8th grade students differ significantly according to some demographic variables. The research was the correlational model. The data of the study were collected from a total of 1427 students from 20 different schools in five randomly selected…

Reading, which improves language and mental skills, is the most effective way to reach information from the past to the present. The study tried to determine the relationship between the metacognitive reading awareness, reading intrinsic motivations, and reading motivations of eighth-grade students. The study group consists of 132 eighth-grade…

The aim of this research is to explore the relationship between self-esteem in secondary school students and coping strategies. This study was carried out with 523 participants from the 6th, 7th and 8th grades of two secondary schools in Aydin. The 292 participants were female students and 230 male students. Of the applicants, 157 are in 6th…

The purpose of the study was to investigate the experiences and perceptions of middle school students about the flipped classroom applications used in geometry lessons. The research was designed as a case study. Data were collected through field notes, focus group interviews, and semi-structured interviews. The sample consisted of 26 eighth-grade…

This study aims to determine the effect of the cognitive conflict approach on the elimination of misconceptions in square root numbers. For this purpose, this study was conducted with 8th-grade students of a secondary school in a region of Turkey. A three tiered diagnostic test was used to determine the impact of the 5-step cognitive conflict…

This study revealed the fractional number sense form associated with daily life and the number sense of 8th-grade students with high academic success. This study aimed to determine fractional number sense which in eighth graders with high academic performance. This study has a qualitative patterned. The sample consisted of 20 students from the…

This study aims to identify foreign-origin words found in reading texts in secondary school Turkish textbooks. The study was conducted in a qualitative research design and the research object is Turkish textbooks prepared by the Ministry of National Education Publications for the 5th, 6th, 7th, and 8th grades of secondary school. A total of 95…