905 resultados para Science teaching


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Teaching and learning with history and philosophy of science (HPS) has been, and continues to be, supported by science educators. While science education standards documents in many countries also stress the importance of teaching and learning with HPS, the approach still suffers from ineffective implementation in school science teaching. In order to better understand this problem, an analysis of the obstacles of implementing HPS into classrooms was undertaken. The obstacles taken into account were structured in four groups: 1. culture of teaching physics, 2. teachers` skills, epistemological and didactical attitudes and beliefs, 3. institutional framework of science teaching, and 4. textbooks as fundamental didactical support. Implications for more effective implementation of HPS are presented, taking the social nature of educational systems into account.

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The inclusion of the history of science in science curricula-and specially, in the curricula of science teachers-is a trend that has been followed in several countries. The reasons advanced for the study of the history of science are manifold. This paper presents a case study in the history of chemistry, on the early developments of John Dalton`s atomic theory. Based on the case study, several questions that are worth discussing in educational contexts are pointed out. It is argued that the kind of history of science that was made in the first decades of the twentieth century (encyclopaedic, continuist, essentially anachronistic) is not appropriate for the development of the competences that are expected from the students of sciences in the present. Science teaching for current days will benefit from the approach that may be termed the ""new historiography of science"".

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The School Innovation in Science (SIS) initiative has developed and evaluated a model to improve science teaching and learning across a school system. The model involves a framework for describing effective teaching and learning, and a strategy that allows schools flexibility to develop their practice to suit local conditions and to maintain ownership of the change process. SIS has proved successful in improving science teaching and learning in primary and secondary schools. Evidence of variations in the nature and extent of the change is used to argue that the process is essentially cultural in nature, and that change occurs at different levels within a school. Processes supporting change thus need to be flexible and responsive.

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The School Innovation in Science intiative is operating in more than 300 schools in Victoria. It has achieved considerable success in transforming science teaching and learning in primary and secondary schools. This paper describes the core elements of SIS, and provides an overview of the different types of initiatives pursued by secondary schools arising out of an action planning process. case studies of initiatives illustrate the richness and range of innovation in schools. It is argued that the SIS model provides the conditions for deep seated change and innovation in schools' science programs.

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The purpose of this paper is to discuss the experiences of primary schools involved in the Victorian Science in Schools Research Project which was concerned with improving science teaching and learning strategies but which also unexpectedly led to more environmental (sustainability) education occurring. The paper also suggests a curriculum strategy for achieving more widespread acceptance and implementation of 'sustainability education' through primary school science curricula.

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‘School Innovation in Science’ represents a model, developed through working with more than 200 Victorian schools, to improve science teaching and learning. SIS works at the level of the science team and the teacher, providing resources to challenge and support the change process. Its emphasis is on strategic planning supported by a framework for describing effective teaching, materials for auditing practice and planning initiatives, and a networked support structure. Experience and results from the project, concerning the nature and extent of change, will be used to provide insight into the multidimensional nature of the change process and to suggest a number of principles concerning support for change. Arising out of this, the major elements of a School Innovation Model are identified, that supports a transformative agenda for schools more generally.

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There is an increase in school-community linked initiatives in school science. A substantial proportion of these involve rural schools. This article asks the question: In what ways do these initiatives offer possibilities for better engaging rural students with school science? The paper draws on information from a number of school-community linked science initiatives in rural areas, including exemplars from the recent Australian School Innovation in Science, Technology and Mathematics (ASISTM) project, which were obtained primarily through interviews with participants. The initiatives are analysed in terms of an 'innovation framework', concerning the ideas and purposes underlying them, the knowledge and pedagogies used, and the experiences of the participants in the initiative. The paper concludes that these initiatives differ in significant respects from traditional school science, and offer the possibility of productive future directions. The authors discuss the challenges and policy directions that need to be pursued to represent these practices in mainstream curricula.

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An enormous amount of research in the conceptual change tradition has shown the difficulty of learning fundamental science concepts, yet conceptual change schemes have failed to convincingly demonstrate improvements in supporting significant student learning. Recent work in cognitive science has challenged this purely conceptual view of learning, emphasising the role of languages, and the importance of personal and contextual aspects of  understanding science. The research described in this paper is designed around the notion that learning involves the recognition and development of students’ representational resources. In particular, we argue that difficulties with the concept of force are fundamentally representational in nature. The paper describes the planning and implementation of a classroom sequence in force that focuses on representations and their negotiation, and reports on the effectiveness of this perspective in guiding teaching and learning. Classroom sequences involving three teachers 158 2008 NARST Annual International Conference were videotaped using a combined focus on the teacher and groups of students. Video analysis software was used to code the variety of representations used, and sequences of representational negotiation. Stimulated recall interviews were conducted with teachers and students. The paper will report on the effect of this approach on teacher knowledge and pedagogy, and on student learning of force.

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Through a longitudinal study of one teacher's science teaching practice set in the context of her base school, this thesis records the effects of the structural and policy changes that have occurred in Victorian education over the past 6-7 years - the 'Kennett era'. Initially, the purpose of the study was to investigate the teacher's practice with the view to improving it. For this, an action research approach was adopted. Across the year 1998, the teacher undertook an innovative science program with two grades, documenting the approach and outcomes. Several other teachers were involved in the project and their personal observations and comments were to form part of the data. This research project was set in the context of a single primary school and case study methodology was used to document the broader situational and daily influences which affected the teacher's practice. It was apparent soon after starting the action research that there were factors which did not allow for the development of the project along the intended lines. By the end of the project, the teacher felt that the action research had been distorted - specifically there had been no opportunity for critical reflection. The collaborative nature of the project did not seem to work. The teacher started to wonder just what had gone wrong. It was only after a break from the school environment that the teacher-researcher had the opportunity to really reflect on what had been happening in her teaching practice. This reflection took into account the huge amount of data generated from the context of the school but essentially reflected on the massive number of changes that were occurring in all schools. Several issues began to emerge which directly affected teaching practice and determined whether teachers had the opportunity to be self-reflective. These issues were identified as changes in curriculum and the teaching role, increased workload, changed power relations and changed security/morale on the professional context. This thesis investigates the structural and policy changes occurring in Victorian education by reference to documentation and the lived experiences of teachers. It studies how the emerging issues affect the practices of teachers, particularly the teacher-researcher. The case study has now evolved to take in the broader context of the policy and structural changes whilst the action research has expanded to look at the ability of a teacher to be self-reflective: a meta-action research perspective. In concluding, the teacher-researcher reflects on the significance of the research in light of the recent change in state government and the increased government importance placed on science education in the primary context.

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Evidence that many students are not being captivated by school science has led to advocacy of revising the science curriculum. However, there need to be accompanying changes in science teacher education. This study is designed to lay foundations for innovation in the pre-service education of secondary science teachers, involving a reconceptualisation of the nature of contemporary science and a course structure that links science teaching with broader science public reform initiatives. We held a series of Focus Groups, built around Government Research Priority areas, which brought together people from industry, government, research organisations, and community groups involved in science and its applications. In the groups the participants discussed how science currently operates in their area, ways in which the area will develop in the coming decade, and what implications there are for the nation and its citizens and for science education. What emerged was a concern for public responses to science at a range of levels, and a very different view of science practice and community involvement with science to that represented in current university and school science courses. This was confirmed in interviews with science graduates working in disparate fields, and also focus groups of school students. The paper will report on the insights generated, and explore the implications for redesigning the pre-service education of science teachers.

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A large body of research in the conceptual change tradition has shown the difficulty of learning fundamental science concepts, yet conceptual change schemes have failed to convincingly demonstrate improvements in supporting significant student learning. Recent work in cognitive science has challenged this purely conceptual view of learning, emphasising the role of language, and the importance of personal and contextual aspects of understanding science. The research described in this paper is designed around the notion that learning involves the recognition and development of students’ representational resources. In particular, we argue that conceptual difficulties with the concept of force are fundamentally representational in nature. This paper describes a classroom sequence in force that focuses on representations and their negotiation, and reports on the effectiveness of this perspective in guiding teaching, and in providing insight into student learning. Classroom sequences involving three teachers were videotaped using a combined focus on the teacher and groups of students. Video analysis software was used to capture the variety of representations used, and sequences of representational negotiation. Stimulated recall interviews were conducted with teachers and students. The paper reports on the nature of the pedagogies developed as part of this representational focus, its effectiveness in supporting student learning, and on the pedagogical and epistemological challenges negotiated by teachers in implementing this approach.