1000 resultados para Ciências (Primeiro grau) – Estudo e ensino
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Teacher training processes, initial and continuing, and professional practice of teachers who teach Mathematics in the early years are highlighted in the literature as complex, but also are regarded as the way to overcome many difficulties in teaching this component curriculum in the school stage in question. The aim of the study was to investigate how the training needs in Mathematics are represented by a group of teachers in the early years of elementary school of public health system of the city of Uberlândia, State of Minas Gerais. The research, qualitative approach, had as object of study the training needs, in Mathematics, of teachers in the early years. The research involved 16 teachers from two schools in the municipal public schools of that city. Data were collected through questionnaires, non-participant observations, semi-structured interviews followed by group and individual. Analyses were performed by means of thematic categories, founded by content analysis. Data interpretation allowed to understand training needs in mathematics that are presented to the collaborating group from their professional practice, considering the knowledge and skills necessary to teaching. It is understood that the teachers of the study group have major limitations in relation to the specific content and didactic knowledge of Mathematics content, however, the concern is that demonstrated not always being aware of it. Moreover, the difficulties experienced in teaching practice proven to be overcome by sources and non-formal training activities, primarily through more experienced colleagues in the profession. Thus, it becomes difficult to think the initial and continuing training courses for teachers without the training needs of the teaching practice is appreciated as an object of study.
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This text presents developed in the Graduate Program in Science and Mathematics Education at the Federal University of Uberlândia, in which it was intended to answer the question: What are the pedagogical implications for the fractions concept learning for students of the 6th grade of elementary school that the teaching guide activities can provide? The objectives of this research were: a) analyze the possible pedagogical implications for the learning of the fraction's concept for students of the 6th grade of elementary school through guiding teaching activities; b) using the conceptual connections of the fraction to enable students to develop an abstract thought and c) investigate whether guiding teaching activities reflect on 'how to think' and 'how to do' of the student. Five teaching activities have been developed (MOURA, 2002) from the perspective of teaching guiding activity (TGA) and had as object of study the teaching of fractions for students in 6th year of elementary school. They have been prepared and proposed activities in which it was intended to investigate the use of history of mathematics as an aid in learning the conceptual fraction links (CARAÇA, 1951) by students. Such activities, for analysis, were organized into episodes and scenes (MOURA, 2004) and discussed how students deal with the measurement of whole quantity (all) and subunits (part); how they represent in verbal or written language. It is hoped that the research is set up as an important contribution to mathematics teaching area and may contribute to the initial and continuing training of mathematics teacher sand the formation of theoretical thinking of elementary school students.
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This work presents discussions on the teaching of Chemical Bonds in high school and some implications of this approach in learning chemistry by students. In general, understanding how the chemicals combine to form substances and compounds, it is a key point for understanding the properties of substances and their structure. In this sense, the chemical bonds represent an extremely important issue, and their knowledge is essential for a better understanding of the changes occurring in our world. Despite these findings, it is observed that the way in which this concept is discussed in chemistry class has contributed, paradoxically, to the emergence of several alternative designs, making the understanding of the subject by students. It is believed that one of the explanations for these observations is the exclusive use of the "octet rule" as an explanatory model for the Chemical Bonds. The use of such a model over time eventually replace chemical principles that gave rise to it, transforming knowledge into a series of uninteresting rituals and even confusing for students. Based on these findings, it is deemed necessary a reformulation in the way to approach this content in the classroom, taking into account especially the fact that the explanations of the formation of substances should be based on the energy concept, which is fundamental to understanding how atoms combine. Thus, the main question of the survey and described here of the following question: Can the development of an explanatory model for the Chemical Bonds in high school based on the concept of energy and without the need to use the "octet rule"? Based on the concepts and methodologies of modeling activity, we sought the development of a teaching model was made through Teaching Units designed to give subsidies to high school teachers to address the chemical bonds through the concept of energy. Through this work it is intended to make the process of teaching and learning of Chemical Bonds content becomes more meaningful to students, developing models that contribute to the learning of this and hence other basic fundamentals of chemistry.
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Studies carried out in several countries have confirmed the students’ difficulty in explaining the causes of the seasons of the year, and most of times their learning takes place incorrectly. The seasons of the year have been generally treated in didactic books apart from people´s routine, based on the heliocentric system, what demands abstraction to understand the phenomenon. Before this difficulty, it is necessary to think about a teaching proposal which allows the students to realize the environmental characteristics and its changes over time, as well as the seasons themselves. Thus, our goal was to work from the perspective of the observer on the terrestrial surface, therefore using the topocentric system. For that, we constructed a didactic sequence, grounded in Ausubel´s meaningful learning theory (2003) and in Moreira´s critical meaningful learning theory (2010), which was applied to students in 9th grade of elementary school and in 2th grade of high school at Escola Estadual Jerônimo Arantes, in Uberlândia, Minas Gerais, owing to their previous knowledge and alternative conceptions, which were collected via interviews. Afterwards, to evaluate the applied methodology, we made new interviews, by which we realized improvement in learning in relation to the characteristics of the seasons based on Sun´s apparent path, which we attribute to reference the change of observation and the means to obtain data on the volume of rainfall and average temperature in the city throughout the year. On the other hand, there are points that were not highlighted in learning, such as the link between winter and rainy season and the causes of the seasons, points left to be discussed in future investigations.
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In this dissertation was elaborated an interdisciplinary didactic sequence for the development of Physical concepts involved in the interaction of laser radiation with biological matter in order to make a relation between Physics and other fields of knowledge aiming to enlarge the contextualization of scientific knowledge. The objective was to develop an educational product which theme is “Laser’s Interaction with Biological Tissues”. In this work, basic physical concepts related to laser radiation were presented, its interaction with matter and applicability in the student's daily life, with emphasis on Public Health. The inclusion of the subject in schools was effected through didactic transposition as theoretical foundation and the three pedagogical moments as teaching support. The development of the project involved discussions of scientific knowledge applied in society’s daily life. In the product's design the didactic sequence was projected and the use of varied teaching resources has been proposed, such as videos, texts, experiments, simulators and de Software “Tracker”. The construction of paradidactic material was performed considering different stages of equal importance for a teacher's reflection process. The work prioritizes the alternative conceptions of student, transforming him in a direct agent of the construction of knowledge and this aspect is based on the profile of the Student's Material. Another important point is the evaluation's proposal, this was systematized to be done class after class through building texts, essay questions, presentation of papers, among others activities. The didactic sequence guides the introduction of relevant topics of the students and society’s daily life, the ideas are not closed and in many times the teacher make changes which deem relevant to the teaching for better development of their practice.
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A presente investigação tem como tema central as lideranças no binómio escolacomunidade educativa: Estudo de caso numa escola da RAM. Com este estudo pretendemos analisar e compreender de que forma as lideranças influenciam a relação entre a escola e a comunidade educativa. O seu quadro teórico é constituído por três conceitos principais, a saber: a liderança, a escola e a comunidade educativa. Esta dissertação está estruturada em torno de seis capítulos. Utilizamos para esta investigação o método de estudo de caso, sustentado numa abordagem qualitativa e quantitativa. Como técnicas de recolha de dados, optamos por utilizar a entrevista semiestruturada e o inquérito por questionário. Neste sentido, as técnicas de análise de dados aplicadas foram a análise de conteúdo e a triangulação. Foram aplicados inquéritos por questionário, no sentido de identificar qual o estilo de liderança (transformacional, transacional e laissez-faire) praticado pelos presidentes dos órgãos de direção da escola, através das suas próprias perspetivas, bem como das perceções dos seus colaboradores, nomeadamente: diretores de turma, membros do Conselho da Comunidade Educativa e membros do Conselho Pedagógico. Os dados estatísticos foram processados e analisados utilizando o software SPSS (Statistical Package for the Social Sciences). No entanto, para verificarmos como se operacionalizam essas lideranças na relação escola-comunidade educativa, efetuaram-se entrevistas aos presidentes e vice-presidente, a determinados membros do Conselho da Comunidade Educativa e ao representante de uma instituição parceira. Os resultados da investigação sugerem que o estilo de liderança transformacional é o mais observado nos procedimentos dos presidentes dos órgãos de direção que compõem a escola. Assim sendo, concluímos que as lideranças escolares promovem uma real abertura da instituição à comunidade e viabilizam uma participação coerente e mais ativa dos elementos da comunidade educativa nas dinâmicas escolares. Portanto, o desenvolvimento de projetos e atividades, juntamente com o estabelecimento de protocolos e parcerias, reforçam cada vez mais a relação entre a escola e a comunidade.
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Acompanha: Material paradidático em educação ambiental para o 6º ano do ensino fundamental
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This essay presents a proposal on methodology over the mathematical object Exponential Function which enables the development of interpretative and creative skills with potential meaning to the students starting from a didactic sequence structured on the light of The Theory of Didactic Situations from Guy Brousseau and, from the Records of Semiotic Representation of Duval, providing interactions among the students, the teacher and the environment of cooperative learning where the students feel free to express their own ideas as well as to suggest their own approaches. The methodology presented has been developed according to the students first knowledge, valuing their different ways of registering, which have such an important role during the teaching and learning processes. The proposal has been applied to the students from the first year of high school of Colégio Estadual José de Anchieta Ensino Fundamental e Médio, located in a town called Dois Vizinhos –Paraná. In order to the development of the research the methodological tool Didactic Engineering Artigue which consists in a methodology developed only to the research with didactic situations. The main goal has been reached at first, which was to work on the conceptual part of the Exponential Function, the relation of dependence and its main characteristic so that the variable part is in the exponent. Moreover with no imposition but starting from suitable didactic situations, the students were able to realize that they could solve the problems which involve the exponential function and furthermore create new problems (according to their universe) modeled by this kind of function. Its believed that the methodology based on the theory of didactic situations, analysis of students registers, observation on mistakes and obstacles as well as reflections over the aspects of the didactic contract are of fundamental importance to the teaching practice and determinant during the teaching-learning process.
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A presente investigação tem como tema central as lideranças no binómio escolacomunidade educativa: Estudo de caso numa escola da RAM. Com este estudo pretendemos analisar e compreender de que forma as lideranças influenciam a relação entre a escola e a comunidade educativa. O seu quadro teórico é constituído por três conceitos principais, a saber: a liderança, a escola e a comunidade educativa. Esta dissertação está estruturada em torno de seis capítulos. Utilizamos para esta investigação o método de estudo de caso, sustentado numa abordagem qualitativa e quantitativa. Como técnicas de recolha de dados, optamos por utilizar a entrevista semiestruturada e o inquérito por questionário. Neste sentido, as técnicas de análise de dados aplicadas foram a análise de conteúdo e a triangulação. Foram aplicados inquéritos por questionário, no sentido de identificar qual o estilo de liderança (transformacional, transacional e laissez-faire) praticado pelos presidentes dos órgãos de direção da escola, através das suas próprias perspetivas, bem como das perceções dos seus colaboradores, nomeadamente: diretores de turma, membros do Conselho da Comunidade Educativa e membros do Conselho Pedagógico. Os dados estatísticos foram processados e analisados utilizando o software SPSS (Statistical Package for the Social Sciences). No entanto, para verificarmos como se operacionalizam essas lideranças na relação escola-comunidade educativa, efetuaram-se entrevistas aos presidentes e vice-presidente, a determinados membros do Conselho da Comunidade Educativa e ao representante de uma instituição parceira. Os resultados da investigação sugerem que o estilo de liderança transformacional é o mais observado nos procedimentos dos presidentes dos órgãos de direção que compõem a escola. Assim sendo, concluímos que as lideranças escolares promovem uma real abertura da instituição à comunidade e viabilizam uma participação coerente e mais ativa dos elementos da comunidade educativa nas dinâmicas escolares. Portanto, o desenvolvimento de projetos e atividades, juntamente com o estabelecimento de protocolos e parcerias, reforçam cada vez mais a relação entre a escola e a comunidade.
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O relatório final de estágio inclui uma apreciação das aprendizagens realizadas nas práticas de ensino supervisionadas do mestrado em Educação Pré-Escolar e Ensino do 1.º CEB e o estudo desenvolvido no contexto de estágio que procurou fazer face a dois objetivos centrais: caraterizar o estilo do adulto e as interações que são estabelecidas com as crianças, no período do recreio, e analisá-las em termos de adequação aos Direitos das Crianças. Para dar resposta a estes objetivos aliámo-nos aos autores de referência, à legislação em vigor e a uma investigação realizada em contexto escolar. Em termos empíricos, o estudo teve um caráter qualitativo, com recurso à observação durante o recreio utilizando a Escala de Empenhamento do Adulto. Recorreu-se, também, a uma observação com registo de incidentes críticos. Os resultados obtidos através da Escala de Empenhamento do Adulto encontram-se abaixo do que seria adequado, ou seja, não se atinge o valor mínimo de qualidade (3,5). Os direitos mais vezes postos em causa foram: “A criança tem o direito de exprimir livremente a sua opinião sobre questões que lhe digam respeito e de ver essa opinião tomada em consideração” (Artigo 12.º) e “A criança tem direito ao repouso, a tempos livres e a participar em atividades culturais e artísticas” (Artigo 31.º). Com base nos baixos níveis nas dimensões sensibilidade, estimulação e autonomia e na análise de situações registadas que representam violações dos Direitos das Crianças, concluiu-se existir urgência na formação das equipas educativas no âmbito dos Direitos das Crianças e da importância do recreio para as crianças. A própria organização do espaço e dos materiais, assim como da dinâmica do recreio, são discutidos em termos de promoção de aprendizagens e de concretização dos direitos.
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Dissertação de Mestrado apresentada no Instituto Superior de Psicologia Aplicada para obtenção de grau de Mestre na especialidade de Psicologia Clínica
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Dissertação (mestrado)—Universidade de Brasília, Instituto de Física, Programa de Pós-Graduação em Física, Mestrado Nacional Profissional em Ensino de Física, 2015.
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Dissertação (mestrado)—Universidade de Brasília, Instituto de Física, Programa de Pós-Graduação em Física, Mestrado Nacional Profissional em Ensino de Física, 2015.
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Dissertação (mestrado)—Universidade de Brasília, Instituto de Física, Programa de Pós-Graduação em Física, Mestrado Nacional Profissional em Ensino de Física, 2015.
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Dissertação (mestrado)—Universidade de Brasília, Instituto de Física, Programa de Pós-Graduação em Física, Mestrado Nacional Profissional em Ensino de Física, 2015.