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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Astronomia b?sica como ponto de partida para a introdu??o de conceitos da f?sica no ensino M?dio

Rios, Elisangela Martins de Oliveira 21 February 2017 (has links)
Submitted by Ricardo Cedraz Duque Moliterno (ricardo.moliterno@uefs.br) on 2018-01-31T21:47:43Z No. of bitstreams: 1 Disserta??o Elisangela - Vers?o final.pdf: 4721692 bytes, checksum: 932b8588b8105cec5dea658dc990cffd (MD5) / Made available in DSpace on 2018-01-31T21:47:43Z (GMT). No. of bitstreams: 1 Disserta??o Elisangela - Vers?o final.pdf: 4721692 bytes, checksum: 932b8588b8105cec5dea658dc990cffd (MD5) Previous issue date: 2017-02-21 / Scientific Literacy is one of the big challenges in contemporary world. That way alternatives which promote practice that increase level of scientific Literacy is a challenge (deal) for educators. Inclusion of practice that involve Astronomy is a strategy which can collaborate in this process, and having support Significant Learning theories. Following this idea, this project promote a diffusion of this manner of learning though practise in Physical class and Basic Education Science, as well practice of experiments involving basic astronomical tools, observation of astronomical phenomena, planetarium sections, presentations, participations in Astronomy and Astronautic Brazilian Olympiad, science fairs and confection of didactic material for Teaching Astronomy are some activities include on this project. The report of all activities realized in the classes of Physics was through knowledges brought by students after researches, elaboration of experiment and presentation in classroom, promotes interest and improves understanding about the studied phenomena. As Educational Product, was created a homepage containing all material developed in this work, such as script of the experiments and descriptions of the practical activities and observations realized, which will serve as methodological handle in diverse Learning contexts in Science. / A Alfabetiza??o Cient?fica ? um dos grandes desafios da contemporaneidade. Criar alternativas para a promo??o de pr?ticas que elevem o patamar do letramento cient?fico ? um desafio para os educadores. A inclus?o de atividades pr?ticas envolvendo a Astronomia ? uma estrat?gia que pode colaborar neste processo, tendo como base a Teoria da Aprendizagem Significativa. Neste sentido, este trabalho promoveu a difus?o desta pr?tica nas aulas de F?sica e Ci?ncias na educa??o b?sica, bem como a pr?tica de experimentos envolvendo a constru??o de instrumentos astron?micos b?sicos, observa??o de fen?menos astron?micos, exposi??es de planet?rio, semin?rios, participa??o na Olimp?ada Brasileira de Astronomia e Astron?utica e confec??o de material did?tico para o ensino de Astronomia. O relato das atividades realizadas nas aulas de F?sica a partir dos conhecimentos trazidos pelos estudantes ap?s pesquisa, elabora??o de experimento e apresenta??o em sala de aula, promove o interesse, e melhora a compreens?o dos fen?menos estudados. Como produto educacional foi constru?da uma homepage contendo o material desenvolvido neste trabalho, bem como o roteiro dos experimentos e descri??o das atividades pr?ticas e observacionais realizadas, para que possam servir como suporte metodol?gico em diversos contextos de aprendizagem em ci?ncias.
2

A constru??o do conhecimento em matem?tica atrav?s de estrat?gias diferenciadas em um curso t?cnico em agropecu?ria

RABELO, Manuel Ricardo dos Santos 17 October 2016 (has links)
Submitted by Jorge Silva (jorgelmsilva@ufrrj.br) on 2018-02-07T18:03:12Z No. of bitstreams: 1 2016 - Manuel Ricardo dos Santos Rabelo.pdf: 1301532 bytes, checksum: 9e93dab4c197d7e8c11715a4ea105991 (MD5) / Made available in DSpace on 2018-02-07T18:03:12Z (GMT). No. of bitstreams: 1 2016 - Manuel Ricardo dos Santos Rabelo.pdf: 1301532 bytes, checksum: 9e93dab4c197d7e8c11715a4ea105991 (MD5) Previous issue date: 2016-10-17 / This research developed in PPGEA / UFRRJ as dissertation, we made a reflection on the teaching and learning of school mathematics emphasizing some teaching experiences that value abstraction, memorization, with content outside the reality of students, and in this context we enter the vocational education field in Brazil this perspective, think of as research problem: what strategies can be used for the teaching and learning of school mathematics contribute to the improvement of knowledge of the field professional? To contribute to this problem, identify the main difficulties encountered in the teaching and school mathematics learning in the professional technical course and research some methods in which these processes can significantly occur. We work with two groups of technical progress in agriculture, a control and the other experimental, that this work will treat as a field class to accomplish comparisons. We applied to two classes a pre-test to identify some difficulties in relation to the geometry of content and arithmetic, a questionnaire diagnosis and post-test. We also point may need to know what knowledge the students had about multiplication and division. The diagnostic questionnaire allowed us to check, missing school students, a considerable amount worked and some considered the school mathematics teaching offered in decontextualized and fragmented way. We performed for the two lecture classes with the help of video lesson. Then and only for the country group proposed a field of activity in which they measured the dimensions of the ponds and flowerbeds of the institute, they found the area available for planting as well as the outline of the region and measured the spacing between the vegetables planted in the flower bed . This activity aroused enough student interest and questions. After this activity, we applied one after posttest results of a questionnaire. We verified that followed the lectures of field classes improve the students' knowledge. We emphasize that we can make a difference to improve school mathematics teaching, with dynamic lectures and contextualized when accompanied by practical classes held outside the classroom context. We alert for the importance to the technical experience school mathematics in professional activities making it significant. / Nesta pesquisa desenvolvida no PPGEA/UFRRJ, como disserta??o de mestrado, fizemos uma reflex?o sobre o ensino e a aprendizagem da matem?tica escolar enfatizando algumas experi?ncias docentes que valorizam a abstra??o, a memoriza??o, com conte?dos fora da realidade dos alunos, e neste contexto inserimos o ensino profissional do campo, no Brasil Nesta perspectiva, concebemos como problema de pesquisa: quais estrat?gias podem ser usadas para que o ensino e a aprendizagem da matem?tica escolar contribuam para a melhoria do conhecimento do profissional do campo? Para contribuir com este problema, identificamos as principais dificuldades encontradas nos processos de ensino e de aprendizagem de matem?tica escolar no curso t?cnico profissional e pesquisamos algumas metodologias em que estes processos possam ocorrer de forma significativa. Trabalhamos com duas turmas do curso t?cnico em agropecu?ria, uma de controle e outra experimental, que neste trabalho trataremos como turma de campo, para realizarmos compara??es. Aplicamos ?s duas turmas um pr?-teste, para identificar algumas dificuldades em rela??o aos conte?dos de geometria e aritm?tica, um question?rio diagn?stico e um p?s-teste. Destacamos, ainda, ser necess?rio saber quais conhecimentos os alunos tinham sobre multiplica??o e divis?o. O question?rio diagn?stico nos permitiu verificar, alunos ausentes da escola, uma quantidade consider?vel trabalhava e alguns consideravam o ensino da matem?tica escolar ofertado de forma descontextualizado e fragmentado. Realizamos para as duas turmas aula te?rica com aux?lio de videoaula. Em seguida e somente para a turma de campo propusemos uma atividade de campo, na qual eles mediram as dimens?es dos viveiros e canteiros do instituto, acharam a ?rea dispon?vel para plantio assim como o contorno da regi?o e mediram o espa?amento entre as hortali?as plantadas no canteiro. Esta atividade despertou bastante o interesse dos alunos e questionamentos. Ap?s esta atividade, aplicamos um p?s-teste seguido de um question?rio de resultados. Verificamos que aulas te?ricas seguidas de aulas de campo melhoram o conhecimento dos alunos. Ressaltamos que, podemos fazer diferen?a para melhorar o ensino de matem?tica escolar, com aulas te?ricas din?micas e contextualizadas quando acompanhada da aula pr?tica, realizada fora do contexto da sala de aula. Alertamos para a import?ncia de um t?cnico vivenciar a matem?tica escolar em atividades profissionais tornando-a significativa.

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