The microscopic composition of substances is a piece of essential but abstract knowledge in chemistry. Junior high school students may experience difficulty in mental representation when learning micro concepts, which leads to problems such as unsatisfactory academic performance and low learning motivation. Augmented reality (AR) is an optimal…

In developing countries like Pakistan, digitized textbooks are one of the most recent educational reforms brought about by the educational technology This study analyzed the effectiveness of Punjab Information Technology Board's (PITB) digitized textbooks on students' cognitive, affective and psychomotor domains of learning. The study was…

The active participation of citizens in scientific research, through citizen science, has been proven successful. However, knowledge on the potential of citizen science within formal chemistry learning, at the conceptual and procedural levels, remains insufficiently explored. We developed a citizen science project -- PVC: Perceiving the Value of…

This study was carried out with a total of 75 students attending 9th grade in two high schools affiliated to the Ministry of National Education in Reyhanli district, which hosted many Syrian refugees in Hatay province in the spring semester of 2018-2019 academic years and lasted for three weeks. A total of 75 students, 43 from two different 9th…

Resources, resource efficiency and sustainability are one of the most important socio-political issues of today. We here present a best practice example for project-based learning aiming to change student's understanding and attitude towards sustainability at school level. In this project forty-two Year 9 students explored by themselves the link…

This dissertation is a case study of a school district in the Pacific Northwest that developed three-year high school science curricula using a Physics First course sequence (Physics, Chemistry, Biology), with the crosscutting concept "Patterns" as the central theme of the courses. The purpose of the study was to examine the impact of…

This study investigates the effects of the Science Writing Heuristic (SWH), known as an argumentation-based science inquiry approach, on Grade 9 students' performance on a post-test in relation to their academic achievement levels. Four intact classes taught by 2 chemistry teachers from a Turkish public high school were selected for the study; one…

The nature and behavior of gas particles are essential concepts in teaching and learning of school chemistry. However, findings about students' understanding of gas particles--their composition, structure, and interactions involving movement and distribution--revealed that the difficulties students encounter in understanding gas particles vary…

This study examines the effects of teaching Linkage and Problem Translating Skills on students' problem-solving performance and their learning of the five cognitive variables namely, Concept Relatedness, Idea Association, Problem Translating Skill, Non-Specific but Relevant Knowledge and Specific Knowledge. Seventy three Grade 9 (Secondary 3)…