192 resultados para teaching science

em Deakin Research Online - Australia


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This article we have addresses the issue of an integrated science education curriculum. Following Beane (1995), we suggest an approach that begins with an issue, topic or problem that has an independent existence in real life, and which can serve as a supra.disciplinary organizing principle in providing a framework ror developing a curriculum that presents science content in a contextual fashion alongside other disciplinary content, as dictated by the demands of doing justice to an investigation of the issue, topic or problem. The article illuminates the approach with reference to a case study of a whole-year environmental program. It engages some of the issues raised in recent literature on integrated science curricula, concluding that environmental education might well serve as a useful vehicle for an integrated science education.

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During 2007 several independent Victorian secondary schools participated in a study exploring the ways in which the use of learning technologies can support the development of higher order thinking skills for students. This paper focuses on the use of Information and Communications Technologies (ICT) including Web 2.0 technologies for promoting effective teaching and learning in science. A case study methodology was used to describe how individual teachers used ICT and Web 2.0 in their settings. Data included interviews (focus group and individual), questionnaires, monitoring of teacher and student use of smart tools, analysis of curriculum documents and delivery methods and of student work samples. The evaluation used an interpretive methodology to investigate five research areas'. Higher-order thinking, Metacognitive awareness, Team work/collaboration, Affect towards school/learning and Ownership of learning. Three cases are reported on in this paper. Each describes how student engagement and learning increased and how teachers' attitudes and skills developed. Examples of student and teacher blogs are provided to illustrate how such technologies encourage  students and teachers to look beyond text science.

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This paper describes the development of a framework – the SIS Components – for describing effective teaching and learning in science, to support a system wide change initiative. The methodology used and the analysis that led to their refinement, is traced to expose the different issues involved in constructing the notion of lsquoeffective practice.rsquo These issues have to do with purpose, politics and audience. They determine features of the framework such as specificity, elements focused on, and the support structures that are put in place to establish the particular discourse being promoted. The paper describes the different research methods used to establish, to promote and to validate the components, and outlines the different senses in which this and any framework can be seen as contingent on the setting for which it is intended.

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Is the way being lost in teaching science? Many primary schools do not have a well developed culture of science teaching and learning, there is a declining interest in science over the years 7 to 10, and there are proportionally fewer students continuing onto science in the senior years. In response to these concerns, the Victorian Department of Education, Employment and Training (DEET) established a major initiative, the Science in Schools (SiS) Research Project, to enhance and invigorate science teaching and learning. During 2000 and 2001 the project team has worked with teachers in primary and secondary schools across Victoria to introduce new initiatives into their science programs. Central to the project are the SiS Components, a framework that describes effective science teaching, and the SiS Strategy, a process by which schools implement change. This paper outlines the SiS Components and Strategy and describes some of the findings that have emerged from the project.

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 This study investigates the interaction between languages used for particular purposes in mathematics and science classrooms and the accompanying multimodal resources that support teachers’ strategies. The dual investigation sets this study apart, and produces its originality and contribution to the field. It develops a novel multimodal description of pedagogic strategies in multilingual mathematics and science classrooms in Malaysia.

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Provides insights into the experiences of school officials in improving their method of teaching science within the School Innovation in Science (SIS) initiative. Involvement of all science teachers on the project; Management of educators and the analysis of existing teaching practices; Evidence of change in teaching methods and discussion of the stage process.

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Models are used routinely in science classes to help explain scientific concepts; however, students are often unaware of the role, limitations and purpose of the particular model being used. This study investigated Grade 8-11 students’ views on models in science and used these results to propose a framework to show how models are involved in learning. The results show that students’ understanding of the role of models in learning science improved in later grades and that many students were able to distinguish the purpose of scientific models from teaching models. The results are used to identify the criteria students use to classify models and to support pedagogical approaches of using models in teaching science.

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There has been growing interest in linking the learning of Science with the literacies of Science and representations. Recent attention has been focused on learning theories that emphasise the socio-cultural and situated aspects of learning, and in particular the notion of learning as participation in a discourse community. This paper will describe a learning sequence planned wilh Year 5/6 teachers to study invertebrates in the schoolground environment, but with an additional focus in which students generated and negotiated representations, and discussed the adequacy of these. The paper will present data from video capture of classroom activities, students' work samples, and pre- and post-unit testing, to explore what a representational focus might entail in teaching science, and the role of representations in learning, reasoning and exploring in science.

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In a small research project, using a qualitative approach we surveyed eleven pre-school teachers/coordinators asking them for information about the science experiences within their EC setting. We identified the opportunities they had for science professional development and clarified the level of their qualifications and those of a further 22 staff. In addition, we conducted four case studies to interrogate this further, and interviewed four early childhood educators asking for more detail about the science they provided and about their comfort in teaching science. The interviews revealed that although early childhood educators indicated that they provided a large number of varied experiences, often they were unsure of the science content or the science understanding. This limited their abilities to develop the activities further. Early childhood educators also indicated that whilst there was access to some science professional development, more would be welcome. The types of professional development which they felt would be most beneficial were "hands-on" play experiences - a "quick fix" approach. This presentation will discuss the findings of the research through a socio-cultural framework, noting some of the issues being raised in our discussions with the educators.

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The researcher worked closely with two biology-trained teachers to plan three teaching sequences in the topics of forces, substances and astronomy that were subsequently taught to Year 7 students. The sequences sought to develop a model of classroom practice that foregrounds students’ negotiation of conceptual representations.

The difficulties encountered by individuals in learning science point to the need for a very strong emphasis of the role of representations in learning. There is a need for learners to use their own representational, cultural and cognitive resources to engage with the subject-specific representational practices of science. Researchers who have undertaken classroom studies whereby students have constructed and used their own representations have pointed to several principles in the planning, execution and assessment of student learning (diSessa, 2004; Greeno & Hall, 1997). A key principle is that teachers need to identify big ideas, key concepts, of the topic at the planning stage in order to guide refinement of representational work. These researchers also point out the need for students to engage with multiple representations in different modes that are both teacher and student generated. A representation can only partially explain a particular phenomenon or process and has both positive and negative attributes to the target that it represents. The issue of the partial nature of representations needs to be a component of classroom practice (Greeno & Hall, 1997) in terms of students critiquing representations for their limitations and affordances and explicitly linking multiple representations to construct a fuller understanding of the phenomenon or process under study. The classroom practice should also provide opportunities for students to manipulate representations as reasoning tools (Cox, 1999) in constructing the scientifically acceptable ideas and communicating them.

Research question: What impact was there on the participating teacher’s practice through the adoption of a representational focus to teaching science?

Data collection included video sequences of classroom practice and student responses, student work, field notes, tape records of meetings and discussions, and student and teacher interviews based in some cases on video stimulated recall. Video analysis software was used to capture the variety of representations used, and sequences of representational negotiation.

The teachers in this study reported substantial shifts in their classroom practices, and in the quality of classroom discussions, arising from adopting a representational focus. The shifts were reported by them as a three-fold challenge. First, there was an epistemological challenge as they came to terms with the culturally produced nature of representations in the topics of force, substance and astronomy and their flexibility and power as tools for analysis and communication, as opposed to their previous assumption that this was given knowledge to be learnt as an end point. The second challenge was pedagogical, in that this approach was acknowledged to place much greater agency in the hands of students, and this brought a need to learn to run longer and more structured discussions around conceptual problems. The third challenge related to content coverage. The teachers sacrificed coverage for the greater depth offered by this approach, and were unanimous in their judgment that this had been a change that had paid dividends in terms of student learning.

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This is the first of two papers that draw on a study of the national BHP Billiton Science Awards, a peak competition funded by BHP Billiton and administered by CSIRO. BHP Billiton, CSIRO and ASTA together oversee the strategic direction of the Awards. This paper reports an analysis focussed on the outcomes for students of participation in open scientific investigations. The second paper deals with school and teacher strategies supporting the conduct of such student open science investigations and the implications that can be drawn from the data.

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Recent research has demonstrated a significant disadvantage for rural teachers in a variety of aspects of ICT use. This context provides a backdrop for two professional learning programs designed to support ICT-based pedagogies in teaching science in Victorian rural primary and secondary schools. In both programs the school-based workshops initiated a community of learners supported with online web-presence. One program used an intensive five-day workshop focused on developing teachers’ knowledge, pedagogical expertise and leadership skills in embedding ICT into classroom practice. The second program provided a one-day workshop focused on integrating ICT skills in teaching science. Factors that affected the uptake of ICT included the considerable diversity in ICT availability and use, teacher competence, lack of support in schools, and online support. To redress rural disadvantage in ICT use, school commitment and focused leadership were identified as central to programs that supported and developed teacher skills and pedagogies over time.