UM OLHAR EPISTEMOLÓGICO PARA A EXPERIMENTAÇÃO NO ENSINO DE CIÊNCIAS

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Detalles Bibliográficos
Autor principal:	Greyze Maria Palaoro Deitos
Formato:	Artículo científico
Lenguaje:	pt
Publicado:	Universidade Estadual de Ponta Grossa 2018
Materias:	Educación Epistemologia Experimentação Ensino de Ciências
Acceso en línea:	Acceder al recurso 1 Acceder al recurso 2 Acceder al recurso 3 Acceder al recurso 4 Acceder al recurso 5 Acceder al recurso 6
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_version_	1876462991329722368
author	Greyze Maria Palaoro Deitos
author_facet	Greyze Maria Palaoro Deitos
contents	UM OLHAR EPISTEMOLÓGICO PARA A EXPERIMENTAÇÃO NO ENSINO DE CIÊNCIAS Greyze Maria Palaoro Deitos Dulce Maria Strieder Educación Epistemologia Experimentação Ensino de Ciências Neste trabalho, com abordagem qualitativa, temos a intenção de despertar reflexões epistemológicas acerca da construção histórica pela qual a experimentação se estabeleceu no ensino de ciências. Em virtude destas observações, tem-se a intenção de estreitar a relação entre a epistemologia e ensino de Ciências, favorecendo um olhar para a experimentação, pautado no questionamento, na dúvida e na busca por conhecimentos socialmente construídos. Embora tenham ocorrido significativas reflexões perante o caráter volátil da experimentação no Ensino de Ciências, percebe-se que estas ainda referendam uma atividade com traços marcantemente positivistas, onde o rigor científico se sobrepõe aos aspectos reflexivos. 2018 artículo científico 1518-5648 https://www.redalyc.org/articulo.oa?id=68460852016 https://www.redalyc.org/journal/684/68460852016/ https://www.redalyc.org/journal/684/68460852016/html/ https://www.redalyc.org/journal/684/68460852016/68460852016.epub https://www.redalyc.org/journal/684/68460852016/movil https://doi.org/10.5212/OlharProfr.v.21i2.0008 pt http://www.redalyc.org/revista.oa?id=684 Olhar de Professor application/pdf Universidade Estadual de Ponta Grossa Olhar de Professor (Brasil) Num.2 Vol.21
format	Artículo científico
id	redalyc_68460852016
institution	Redalyc
language	pt
publishDate	2018
publisher	Universidade Estadual de Ponta Grossa
spellingShingle	UM OLHAR EPISTEMOLÓGICO PARA A EXPERIMENTAÇÃO NO ENSINO DE CIÊNCIAS Greyze Maria Palaoro Deitos Educación Epistemologia Experimentação Ensino de Ciências UM OLHAR EPISTEMOLÓGICO PARA A EXPERIMENTAÇÃO NO ENSINO DE CIÊNCIAS Greyze Maria Palaoro Deitos Dulce Maria Strieder Educación Epistemologia Experimentação Ensino de Ciências Neste trabalho, com abordagem qualitativa, temos a intenção de despertar reflexões epistemológicas acerca da construção histórica pela qual a experimentação se estabeleceu no ensino de ciências. Em virtude destas observações, tem-se a intenção de estreitar a relação entre a epistemologia e ensino de Ciências, favorecendo um olhar para a experimentação, pautado no questionamento, na dúvida e na busca por conhecimentos socialmente construídos. Embora tenham ocorrido significativas reflexões perante o caráter volátil da experimentação no Ensino de Ciências, percebe-se que estas ainda referendam uma atividade com traços marcantemente positivistas, onde o rigor científico se sobrepõe aos aspectos reflexivos. 2018 artículo científico 1518-5648 https://www.redalyc.org/articulo.oa?id=68460852016 https://www.redalyc.org/journal/684/68460852016/ https://www.redalyc.org/journal/684/68460852016/html/ https://www.redalyc.org/journal/684/68460852016/68460852016.epub https://www.redalyc.org/journal/684/68460852016/movil https://doi.org/10.5212/OlharProfr.v.21i2.0008 pt http://www.redalyc.org/revista.oa?id=684 Olhar de Professor application/pdf Universidade Estadual de Ponta Grossa Olhar de Professor (Brasil) Num.2 Vol.21
title	UM OLHAR EPISTEMOLÓGICO PARA A EXPERIMENTAÇÃO NO ENSINO DE CIÊNCIAS
topic	Educación Epistemologia Experimentação Ensino de Ciências
url	https://www.redalyc.org/articulo.oa?id=68460852016 https://www.redalyc.org/journal/684/68460852016/ https://www.redalyc.org/journal/684/68460852016/html/ https://www.redalyc.org/journal/684/68460852016/68460852016.epub https://www.redalyc.org/journal/684/68460852016/movil https://doi.org/10.5212/OlharProfr.v.21i2.0008

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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