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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

O uso pedagÃgico de software educativo e prÃticas experimentais de quÃmica para facilitar a aprendizagem significativa e colaborativa / The pedagogical use of educational software and experimental practice of chemistry to facilitate meaningful and collaborative learning

Jailson Tavares Cruz 28 February 2012 (has links)
nÃo hà / Para se facilitar a aprendizagem cientÃfica, à preciso investigar a concepÃÃo de estratÃgias didÃticas alternativas, procurando-se estabelecer vinculaÃÃes entre o uso pedagÃgico do computador e o laboratÃrio de prÃticas cientÃficas, como ferramentas de apoio pedagÃgico ao desenvolvimento do processo de ensino-aprendizagem. A presente pesquisa focou a concepÃÃo de estratÃgias de ensino e aprendizagem, atravÃs da realizaÃÃo de sessÃes didÃticas, de quÃmica, articulando-se pedagogicamente os laboratÃrios de experimentaÃÃo cientÃfica e de informÃtica, para facilitar, junto aos alunos, a aprendizagem significativa de conhecimentos de quÃmica orgÃnica, especificamente a funÃÃo hidrocarbonetos. Aportou-se na teoria de aprendizagem significativa de Ausubel, nos mapas conceituais de Novak e na proposta construcionista de Valente. Realizou-se o uso do software educativo Jmol, enaltecendo-se a construÃÃo colaborativa de conhecimentos, competÃncias e habilidades. Tais aÃÃes foram realizadas com a participaÃÃo de onze alunos, do 3 ano do ensino mÃdio de uma escola pÃblica do municÃpio de Beberibe, concebidas em quatro etapas: preliminar, teÃricoexperimental, prÃtico-virtual e colaborativa. A abordagem metodolÃgica da pesquisa foi do tipo qualitativa e se caracterizou como pesquisa exploratÃria. Os dados obtidos por meio dos questionÃrios, e as observaÃÃes do professor-pesquisador permitiram analisar e concluir haver indÃcios de desenvolvimento da capacidade criativa, colaborativa, que os alunos se motivaram para desenvolver novas habilidades e construir novos conhecimentos, atravÃs da realizaÃÃo pedagÃgica da prÃtica de experimentaÃÃo de quÃmica orgÃnica e utilizaÃÃo do software Jmol. O experimento da produÃÃo de etino na etapa teÃrico-experimental foi uma maneira de trabalhar de forma mais clara, dinÃmica e colaborativa a ressignificaÃÃo e construÃÃo de conhecimentos. O uso pedagÃgico e colaborativo do software Jmol na etapa prÃtico-virtual e de mapa conceitual na etapa colaborativa, possibilitaram aos alunos desenvolver uma compreensÃo mais facilitadora do conceito, escrita, representaÃÃo e visualizaÃÃo em trÃs dimensÃes de compostos da funÃÃo hidrocarbonetos. / To facilitate the science learning, you need to investigate the design of didactic strategies alternatives, and seeking to establish linkages between the pedagogical use of the computer and the laboratory of scientific practices, such as tools of pedagogical support for the development of the teaching-learning process. The present research focused on the design of strategies for teaching and learning, through the completion of didactic sessions, of chemistry, articulating it is pedagogically the laboratories of scientific experimentation and computer, to facilitate, together with the students, the significant learning of the knowledge of organic chemistry, specifically the light hydrocarbons. Disembarked on the theory that meaningful learning of Ausubel, the conceptual map of Novak and the proposal of constructionist Valente. There was the use of educational software Jmol, praising the collaborative construction of knowledge, skills and abilities. Such actions were carried out with the participation of 11 students, of the 3rd year of secondary education in a public school in the municipality of Beberibe, designed in four stages: preliminary, theoretical and experimental, practical-virtual and collaborative. The methodological approach of the research was qualitative and is characterized as exploratory research. The data obtained by the use of questionnaires, and observations of the teacher-researcher allowed to analyze and conclude there is evidence of the development of creative ability, collaborative, which the students are motivated to develop new skills and build new knowledge through the realization of pedagogical practice of experimentation of organic chemistry and use of software Jmol. The experiment of the production of ethno in step theoretical-experimental was a way of working in a more clear, dynamic and collaborative signification and construction of knowledge. The use of pedagogical and collaborative software Jmol in the stage-practical virtual and conceptual map in the stage collaborative enabled students to develop an understanding more facilitator of the concept, writing, representation and visualization in three dimensions of compounds of light hydrocarbons.

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