The research reported in this article sought to develop a taxonomy of grade 11 students' levels of understanding in algebraic problem-solving tasks. The student sample was from high schools in the province of Ontario in Canada. Problems from four areas in algebra namely, variables, expressions, equations and word problems were chosen to be…

The study complements previous research on a case study of chemistry lesson plans design and teaching. It has been found that chemistry education in the Gambia has been challenged by ineffective lesson plans design and teaching, and laboratory resources. The consequences have been unsatisfactory learning outcomes. However, what could lead to…

The purpose of this study is to identify and assess the difficulties experienced by the 11th grade students regarding generating, interpreting and comparing scatter plots. The study was carried out with 40 students-enrolled in 11th grade. The difficulties of students were identified through an achievement test on generating, interpreting, and…

This study employed a qualitative content analysis design to examine the extent to which 8th and 11th-grade U.S. History textbooks, adopted by the State of Texas, foster historical empathy and disciplinary knowledge and skills in the subject of history through student engagement with textbook activities. The textbook activities collected for this…

The Philippines is one of the world's top conservation priority areas, yet unique species in the country are threatened. However, Filipinos still have poor awareness of Philippine wildlife and the country's biodiversity situation. A resolution to this situation is pro-environmental behavior, which can be achieved as an indirect benefit of…

The greenhouse effect is a complex scientific phenomenon that plays a crucial role in understanding climate change. Grasping students' understanding of this phenomenon on the content-specific level but also how students' conceptions are organized is vital for effective climate change education. This study addresses both levels and delves into the…

The redox reaction is a core concept of upper-secondary school chemistry curriculum. Accurate diagnosis of students' conceptual understanding of the redox reaction from a cognitive structure perspective is critical for enhancing their understanding of chemical concepts. This study utilized Bayesian networks to investigate the cognitive structures…

This interpretivist study employed a qualitative multiple-embedded case study to examine the infusion of Gross National Happiness (GNH) values in teaching Mathematics. The study aimed to gain insights into Mathematics teachers' perceptions, understandings and practices of GNH values in Bhutanese classrooms. The study involved 10 teachers teaching…

Understanding natural selection requires mentally linking various key concepts and processes. Many students find it difficult to construct scientific explanations about natural selection and might display misconceptions. Our study aimed to investigate the understanding of natural selection and the existence of teleological or other misconceptions…

The purpose of this research is to determine the scientific literacy levels of students in 9th, 10th, 11th and 12th grades of high school by using the scientific literacy research test. In the study, it was investigated whether there is a significant difference in scientific literacy among students studying at different levels in secondary…

The purpose of this study was to investigate knowledge of high school students related to conductors at electrostatic equilibrium and electric field lines. The descriptive model was preferred in line with the purpose of the study. The sample of the study consisted of 35 11th grade students, 18 females and 16 males, who were enrolled in a…

This research aimed to understand the features of the informal reasoning skills performed by students who debated the socio-scientific contentious issue of breastfeeding versus milk formula during an Indonesian biology lesson. A class of 30 students in grade 11 discussed this issue by participating in a role play represented by four organisations…

In the 11th-grade Vietnamese Mathematics Curriculum, students learn about parallel relations between planes in space. This is cognitively challenging for many students. Studies have shown difficulties relating to limited spatial imagination and drawing representations. The teacher's approach also causes difficulties for some students; for example,…

The purpose of this mixed-methods action research study was to understand how a knowledge-building intervention changes the perception of rural high school juniors on the perception of staying local for college after high school. This study also investigates the ways in which participants used their social capital to begin to change the stigma of…

This study focuses on examining the mental models of 11th and 12th-grade students attending a science high school in Turkey regarding the concept of the electron cloud. The study involved 72 students and employed the case study method. The precondition for selecting the sample was that the students had covered the unit on modern atomic theory in…