<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1516-7313</journal-id>
<journal-title><![CDATA[Ciência & Educação]]></journal-title>
<abbrev-journal-title><![CDATA[Ciência educ.]]></abbrev-journal-title>
<issn>1516-7313</issn>
<publisher>
<publisher-name><![CDATA[Universidade Estadual Paulista (UNESP)]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1516-73132020000100211</article-id>
<article-id pub-id-type="doi">10.1590/1516-731320200012</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Proposta de Análise Praxeológica de Noções de Química em Documentos Oficiais e Livros Didáticos]]></article-title>
<article-title xml:lang="en"><![CDATA[Proposal for Praxeological Analysis of Chemistry Notions in Official Documents and Textbooks]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[Kleyfton Soares da]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fonseca]]></surname>
<given-names><![CDATA[Laerte Silva da]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[Luciano Pontes da]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carvalho]]></surname>
<given-names><![CDATA[Edmo Fernandes]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Federal Goiano  ]]></institution>
<addr-line><![CDATA[Campos Belos GO]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Federal de Sergipe  ]]></institution>
<addr-line><![CDATA[Aracaju SE]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidade Federal de Alagoas  ]]></institution>
<addr-line><![CDATA[Arapiraca AL]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidade Federal do Oeste da Bahia  ]]></institution>
<addr-line><![CDATA[Barreiras BA]]></addr-line>
<country>Brasil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>26</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_arttext&amp;pid=S1516-73132020000100211&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_abstract&amp;pid=S1516-73132020000100211&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_pdf&amp;pid=S1516-73132020000100211&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo: Este artigo traz a aplicação da Teoria Antropológica do Didático (TAD) na análise praxeológica da noção de Geometria Molecular (GM). O objetivo principal foi analisar a possibilidade de existência de relações praxeológicas que reforcem a necessidade da articulação entre objetos ostensivos e não ostensivos durante o ensino de GM. Esses objetos são compreendidos pela TAD, que toma como pressuposto a necessidade de tarefas que requisitam técnicas, tecnologias e teorias para colocarem o aluno em atividade matemática. No âmbito institucional analisaram-se documentos oficiais, e dois livros didáticos aprovados pelo Programa Nacional do Livro e do Material Didático (PNLD) também foram analisados quanto à existência de praxeologias. Diante dessas condições conclui-se que, no caso dos documentos oficiais, a noção de GM não está alicerçada em praxeologias. No entanto, quanto aos livros didáticos, verificou-se ser possível haver praxeologias que permitam colocar o aluno em atividade.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: This article brings the application of the Anthropological Theory of the Didactic (ATD) in the praxeological analysis of the notion of Molecular Geometry (MG). The main objective is to analyze the possibility of praxeological relations that reinforces the need for articulation between ostensive and non-ostensive objects during the teaching of MG. These objects are understood by ATD, which assumes the need for tasks that require techniques, technologies and theories to put the student in mathematical activity. At the institutional level, official documents are analyzed, and two textbooks approved by Programa Nacional do Livro e do Material Didático (PNLD) are also analyzed for the existence of praxeologies. Given these conditions, it is concluded that, in the case of official documents, the notion of MG is not based on praxeologies. However, as for the textbooks analyzed, it was found that it is possible to have praxeologies that allow the student to be active.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Praxeologia]]></kwd>
<kwd lng="pt"><![CDATA[Livro didático]]></kwd>
<kwd lng="pt"><![CDATA[Teoria antropológica do didático]]></kwd>
<kwd lng="pt"><![CDATA[Geometria molecular]]></kwd>
<kwd lng="en"><![CDATA[Praxeology]]></kwd>
<kwd lng="en"><![CDATA[Textbooks]]></kwd>
<kwd lng="en"><![CDATA[Anthropological theory of the didactic]]></kwd>
<kwd lng="en"><![CDATA[Molecular geometry]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[BOSCH]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[CHEVALLARD]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La sensibilité de l'activité mathématique aux ostensifs]]></article-title>
<source><![CDATA[Recherches en Didactique des Mathématiques]]></source>
<year>1999</year>
<volume>19</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>77-124</page-range><publisher-loc><![CDATA[Grenoble ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[BOUSON]]></surname>
<given-names><![CDATA[J. D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Metodologias didáticas alternativas para o ensino de geometria molecular e soluções: estratégias para a construção do conhecimento]]></source>
<year>2015</year>
<publisher-loc><![CDATA[Niterói ]]></publisher-loc>
<publisher-name><![CDATA[Universidade Federal Fluminense]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="book">
<collab>BRASIL</collab>
<collab>Ministério da Educação</collab>
<source><![CDATA[Base nacional comum curricular: ensino médio]]></source>
<year>2018</year>
<publisher-loc><![CDATA[Brasília ]]></publisher-loc>
<publisher-name><![CDATA[MEC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<collab>BRASIL</collab>
<collab>Ministério da Educação</collab>
<source><![CDATA[Orientações curriculares para o ensino médio: v. 2 ciências da natureza, matemática e suas tecnologias]]></source>
<year>2006</year>
<publisher-loc><![CDATA[Brasília ]]></publisher-loc>
<publisher-name><![CDATA[MEC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<collab>BRASIL</collab>
<collab>Ministério da Educação</collab>
<source><![CDATA[Parâmetros curriculares nacionais: ensino médio]]></source>
<year>2000</year>
<publisher-loc><![CDATA[Brasília ]]></publisher-loc>
<publisher-name><![CDATA[MEC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<collab>BRASIL</collab>
<collab>Ministério da Educação</collab>
<source><![CDATA[PCN+ ensino médio: orientações educacionais complementares aos parâmetros curriculares nacionais ciências da natureza, matemática e suas tecnologias]]></source>
<year>2002</year>
<publisher-loc><![CDATA[Brasília ]]></publisher-loc>
<publisher-name><![CDATA[MEC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[BITTAR]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A teoria antropológica do didático como ferramenta metodológica para análise de livros didáticos]]></article-title>
<source><![CDATA[Zetetike]]></source>
<year>2017</year>
<volume>25</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>364-87</page-range><publisher-loc><![CDATA[Campinas ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[CHEVALLARD]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Concepts fondamentaux de la didactique: perspectives apportées par une approche anthropologique]]></article-title>
<source><![CDATA[Recherches en Didactique des Mathématiques]]></source>
<year>1992</year>
<volume>12</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>73-112</page-range><publisher-loc><![CDATA[Grenoble ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[CHEVALLARD]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ostensifs et non-ostensifs dans l&#8217;activité mathématique]]></article-title>
<source><![CDATA[Actes [...]]]></source>
<year>1994</year>
<conf-name><![CDATA[ SEMINAIRE DE L&#8217;ASSOCIAZIONE MATHESIS]]></conf-name>
<conf-date>1994</conf-date>
<conf-loc>Turin </conf-loc>
<page-range>190-200</page-range><publisher-loc><![CDATA[Mathesis ]]></publisher-loc>
<publisher-name><![CDATA[Società Italiana di Scienze Matematiche e Fisiche]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[COSTA]]></surname>
<given-names><![CDATA[K. L.]]></given-names>
</name>
<name>
<surname><![CDATA[ARAÚJO]]></surname>
<given-names><![CDATA[N. F.]]></given-names>
</name>
<name>
<surname><![CDATA[JEFFREYS]]></surname>
<given-names><![CDATA[M. F.]]></given-names>
</name>
<name>
<surname><![CDATA[SANTOS]]></surname>
<given-names><![CDATA[V. O]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Uso de aplicativo no ensino de química para o estudo da geometria molecular]]></article-title>
<source><![CDATA[Anais [...]]]></source>
<year></year>
<conf-name><![CDATA[ SIMPÓSIO BRASILEIRO DE QUÍMICA, 55]]></conf-name>
<conf-date>2015</conf-date>
<conf-loc>Goiânia </conf-loc>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="">
<source><![CDATA[GEOMETRIA molecular]]></source>
<year>2015</year>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[LEANDRO]]></surname>
<given-names><![CDATA[D. T. L. T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Aprendendo os modelos atômicos, através de práticas lúdicas: uma experiência realizada pelos alunos do PIBID, na EREM São Sebastião, Ouricuri-PE]]></article-title>
<source><![CDATA[Anais [...]]]></source>
<year>2015</year>
<conf-name><![CDATA[ SIMPÓSIO BRASILEIRO DE EDUCAÇÃO QUÍMICA, 13]]></conf-name>
<conf-date>2015</conf-date>
<conf-loc>Fortaleza </conf-loc>
<publisher-loc><![CDATA[Rio de Janeiro ]]></publisher-loc>
<publisher-name><![CDATA[ABQ]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[LISBOA]]></surname>
<given-names><![CDATA[J. C. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ser protagonista: química: ensino médio, 1º ano]]></source>
<year>2016</year>
<volume>1</volume>
<edition>3. ed</edition>
<publisher-loc><![CDATA[São Paulo ]]></publisher-loc>
<publisher-name><![CDATA[Edições SM]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[MENDES]]></surname>
<given-names><![CDATA[H. L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análise praxeológica de livro didático de matemática referente ao estudo de números binários]]></article-title>
<source><![CDATA[REVEMAT]]></source>
<year>2015</year>
<volume>10</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>199-219</page-range><publisher-loc><![CDATA[Florianópolis ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[PAULING]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[The nature of the chemical bond and the structure of molecules and crystals: an introduction to modern structural chemistry]]></source>
<year>1960</year>
<edition>3rd. ed</edition>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Cornell University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[REIS]]></surname>
<given-names><![CDATA[E. S.]]></given-names>
</name>
<name>
<surname><![CDATA[SILVA]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análise de livro didático do ensino fundamental: um olhar na geometria apresentada a partir da história da matemática]]></article-title>
<source><![CDATA[Revista Saberes da Unijipa]]></source>
<year>2017</year>
<volume>5</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>49-68</page-range><publisher-loc><![CDATA[Ji-Paraná ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[SANTANA]]></surname>
<given-names><![CDATA[E. M.]]></given-names>
</name>
<name>
<surname><![CDATA[SILVA]]></surname>
<given-names><![CDATA[E. L.]]></given-names>
</name>
<name>
<surname><![CDATA[BARROS]]></surname>
<given-names><![CDATA[V. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Compreensão da polaridade das moléculas através de modelos moleculares didáticos]]></article-title>
<source><![CDATA[Anais [...]]]></source>
<year>2015</year>
<conf-name><![CDATA[ SIMPÓSIO BRASILEIRO DE EDUCAÇÃO QUÍMICA, 13]]></conf-name>
<conf-date>2015</conf-date>
<conf-loc>Fortaleza </conf-loc>
<publisher-loc><![CDATA[Rio de Janeiro ]]></publisher-loc>
<publisher-name><![CDATA[ABQ]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[SANTOS]]></surname>
<given-names><![CDATA[W. L. P]]></given-names>
</name>
</person-group>
<source><![CDATA[Química cidadã: química: ensino médio, 1.ª série]]></source>
<year>2016</year>
<volume>1</volume>
<edition>3. ed</edition>
<publisher-loc><![CDATA[São Paulo ]]></publisher-loc>
<publisher-name><![CDATA[Editora AJS]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[SILVA]]></surname>
<given-names><![CDATA[H. L.]]></given-names>
</name>
<name>
<surname><![CDATA[HENRIQUES]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[SERÔDIO]]></surname>
<given-names><![CDATA[R. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análise praxeológica de funções trigonométricas em um livro didático do ensino médio]]></article-title>
<source><![CDATA[Perspectivas da Educação Matemática]]></source>
<year>2017</year>
<volume>10</volume>
<numero>22</numero>
<issue>22</issue>
<page-range>409-32</page-range><publisher-loc><![CDATA[Campo Grande ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[SILVA]]></surname>
<given-names><![CDATA[K. S.]]></given-names>
</name>
</person-group>
<source><![CDATA[A neurociência cognitiva como base da aprendizagem de geometria molecular: um estudo sobre atributos do funcionamento cerebral relacionados à memória de longo prazo]]></source>
<year>2018</year>
<publisher-loc><![CDATA[São Cristóvão ]]></publisher-loc>
<publisher-name><![CDATA[Universidade Federal de Sergipe]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
