230 resultados para Indícios.


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The present work is determined to analyse trigonometry problem solving with the help of CabriGéomètre II software from the perspective of two axes of mathematics teaching which are: the concept formation in Klausmeier and Goodwin´s perspective(1977) and problem solving according to Sternberg’s conception(2000). With such an approach traces of a more significant learning may be found , which according to Ausubel(1980) enables the adoption of better teaching and learning practices.

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In this paper, we propose the socio-scientific issues (SSI) as an effective part of the curriculum of the ideals of the STSE movement in education. Furthermore, we have developed in a secondary school, in a rural community in the state of São Paulo, activities of continuing education for teachers in the discussions of SSI in the classroom. To understand and reflect on the situations resulting from these practices, we considered the participant research and the content analysis from the audio records of the weekly meetings between the teachers of this school and graduate students from a nearby university.Given this,we could understand how these issues should be part of people's lives, teachers must present motivation for the work, they need information,exposition of the arguments involved, mustrelate content and curricula, but, all this,aiming at the necessary critics of the aspects that can make this an instrumentalized practice. At the end of this clipping of our doctoral research, we were able to consider evidences on how teachers were inserted in the training process, with their involvement in the discussions and practices with the ISS.

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The investigative practice as science teaching activity is recognized as an alternative to the learning improvement of science, becoming a perspective of work for teachers. This article arose from a study about the teachers formation process in the scope of investigative practices, conducted with trainee teachers of the Science Club of the Federal University of Pará - UFPA and students of basic education in public schools in Belém city, in order to discuss the theoretical-practical relationship in the planning of an investigative activity. In this process, some episodes indicate the necessity of such relationship, because in its absence the planning process shows itself to be questionable. Our analysis shows the importance of considering the theoretical context to conceive the planning and decisions regarding the conduction of the investigative practices, and oriented to a theoretical or practical goal.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Pós-graduação em Psicologia do Desenvolvimento e Aprendizagem - FC

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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A expansão urbana acarreta a necessidade de mitigações ambientais, em que um planejamento do uso do solo, bem como seu processo de ocupação traz a necessidade também de estudos para viabilizar tais ações. Nesse processo de expansão, os cemitérios necessitam de maiores atenções, já que evidenciaram indícios de contaminações no solo e fontes de água próximas. Atualmente, o CONAMA (Conselho Nacional de Meio Ambiente) possui duas resoluções que discorrem sobre os aspectos construtivos, visando controlar os resíduos existentes, tais como o Liquame da Coliquação (também conhecido por Necrochorume), um dos responsáveis pela contaminação do solo e aquíferos subterrâneos. Tendo esse escopo em pauta, este trabalho exibe um levantamento da legislação que incide sobre a implantação e regularização de cemitérios no estado de São Paulo.

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Cintra stream is the major receiver of treated effluent from sanitary, hospital and research laboratory sewage from the UNESP campus in Botucatu, Rubião Júnior District, São Paulo state; and it has shown evidence of diffuse contamination by metals along it. Analyses of the most toxic metals (Pb, Cu, Fe, Ni and Zn) were carried out by using an atomic absorption spectrometer AA-6.800 - Perkin Elmer, analyst 700. ANOVA followed by the Tukey test were used for data analyses at 5% significance level. The main objective of this study was to compare current data on metal levels with data from other studies, in the same area, and of the same nature, conducted before and after implementation of chemical residue management by the university in 2008. Also, it aimed at identifying and quantifying possible diffuse and punctual contamination. Sites S1 and S2 showed punctual contamination, while diffuse sources were observed between S4 and S5. The quality of water in the Cintra Stream improved after establishment of the program of laboratory chemical residue management in the Campus of UNESP.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)