<?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 (Bauru)]]></journal-title>
<abbrev-journal-title><![CDATA[Ciênc. educ. (Bauru)]]></abbrev-journal-title>
<issn>1516-7313</issn>
<publisher>
<publisher-name><![CDATA[Universidade Estadual Paulista (UNESP)]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1516-73132016000200335</article-id>
<article-id pub-id-type="doi">10.1590/1516-731320160020005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Olas de significado en la interacci&#243;n profesor-alumno: an&#225;lisis de dos clases de Ciencias Naturales de un 6to de primaria]]></article-title>
<article-title xml:lang="en"><![CDATA[Semantic waves in teacher-student interaction: analysis of two Natural Science lessons in 6th grade]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[Juan Pablo Córdova]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Melo]]></surname>
<given-names><![CDATA[Giselle]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bacigalupo]]></surname>
<given-names><![CDATA[Francesca]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Manghi]]></surname>
<given-names><![CDATA[Dominique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Pontificia Universidad Católica de Valparaíso  ]]></institution>
<addr-line><![CDATA[Valparaíso Región de Valparaíso]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2016</year>
</pub-date>
<volume>22</volume>
<numero>2</numero>
<fpage>335</fpage>
<lpage>350</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_arttext&amp;pid=S1516-73132016000200335&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_abstract&amp;pid=S1516-73132016000200335&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_pdf&amp;pid=S1516-73132016000200335&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En las clases escolares de ciencias gran parte de los significados se construyen a partir de la interacci&#243;n oral, mediante representaciones ling&#252;&#237;sticas y visuales. Para alfabetizar a sus estudiantes los profesores se mueven entre el discurso cient&#237;fico y el discurso cotidiano, estos movimientos permiten a los aprendices razonar y ver el mundo natural desde la perspectiva de la disciplina. Maton propone que en las pr&#225;cticas pedag&#243;gicas los profesores forman Olas Sem&#225;nticas en el transcurso de su clase para andamiar los significados abstractos de la ciencia. Este estudio de caso aborda dos clases de un profesor ense&#241;ando la unidad Flujos de Energ&#237;a en 6&#176; b&#225;sico de una escuela chilena. A trav&#233;s de un an&#225;lisis del discurso de las actividades t&#237;picas de aula se identifican los movimientos entre el discurso cient&#237;fico y el cotidiano para describir las olas de significado que construye este profesor con sus alumnos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In science lessons at school most of the meanings are constructed during oral interaction and are represented through language and images. To help students to become literate, teachers move between scientific discourse and everyday discourse. These movements allow learners to think and see the natural world from the perspective of the discipline. Maton proposes that in pedagogical practices teachers build Semantic Waves during the lesson, to scaffold the abstract meanings of science. This case study addresses two lessons of a curriculum unit on Energy Flow in 6th grade of a Chilean primary school. Through discourse analysis of Typical Classroom Activities, we identify movements between scientific and everyday discourse to describe the waves of meaning that this teacher builds with his students.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Discurso pedagógico]]></kwd>
<kwd lng="es"><![CDATA[Discurso científico]]></kwd>
<kwd lng="es"><![CDATA[Alfabetización científica]]></kwd>
<kwd lng="es"><![CDATA[Perfil semántico]]></kwd>
<kwd lng="es"><![CDATA[Ola semántica]]></kwd>
<kwd lng="en"><![CDATA[Pedagogic discourse]]></kwd>
<kwd lng="en"><![CDATA[Scientific discourse]]></kwd>
<kwd lng="en"><![CDATA[Scientific literacy]]></kwd>
<kwd lng="en"><![CDATA[Semantic profile]]></kwd>
<kwd lng="en"><![CDATA[Semantic wave]]></kwd>
</kwd-group>
</article-meta>
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