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      <title>Laboratório de &quot;ideias&quot; BG10F by Rui Cunha</title>
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      <description>A ciência contextualizada no quotidiano</description>
      <language>en-us</language>
      <pubDate>2018-10-11 22:58:57 UTC</pubDate>
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         <author>ruialbcunha</author>
         <link>https://padlet.com/ruialbcunha/1ei992aju793/wish/291984212</link>
         <description><![CDATA[<div>Regras para a organização de um Diário de Aprendizagem (mural):</div><div><br></div><ol><li>As <strong>atividades de aprendizagem </strong>realizadas pelos alunos devem ser refletidas no mural.</li><li>Associar sempre uma<strong> reflexão</strong>, comentário ou opinião em cada publicação que fizer no seu mural (textos, fotos, vídeos, websites, etc.).  </li><li>Todas as publicações que incluam informação (textos, fotos, vídeos,...) de terceiras pessoas ou entidades devem mencionar a <strong>fonte</strong>.</li><li>Os<strong> textos</strong> devem ser curtos e<strong> </strong>objetivos. A <strong>linguagem </strong>deve ser cuidada e escrita corretamente.</li><li>Não é permitida a publicação<strong> </strong>de <strong>fotos </strong>onde possam ser identificados tanto o <strong>autor</strong>, como <strong>colegas</strong> ou <strong>professores</strong>.</li><li>Devem ser publicadas, <strong> evidências </strong>para cada atividade prática realizada. </li><li>O mura<strong>l </strong>deve ser<strong> partilhado</strong> com o <strong>professor</strong> e com os <strong>colegas da turma</strong>.</li></ol>]]></description>
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         <pubDate>2018-10-11 23:12:02 UTC</pubDate>
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         <pubDate>2018-10-30 11:21:27 UTC</pubDate>
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         <pubDate>2018-10-30 11:22:51 UTC</pubDate>
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         <pubDate>2018-10-30 11:33:10 UTC</pubDate>
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         <author>ruialbcunha</author>
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         <pubDate>2018-10-30 11:35:51 UTC</pubDate>
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         <author>ruialbcunha</author>
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         <author>ruialbcunha</author>
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         <author>ruialbcunha</author>
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         <author>ruialbcunha</author>
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         <author>ruialbcunha</author>
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         <author>ruialbcunha</author>
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         <pubDate>2018-10-30 11:39:14 UTC</pubDate>
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         <title></title>
         <author>ruialbcunha</author>
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         <pubDate>2018-10-30 11:39:39 UTC</pubDate>
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         <title></title>
         <author>ruialbcunha</author>
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         <pubDate>2018-10-30 11:40:05 UTC</pubDate>
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         <author>ruialbcunha</author>
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         <title></title>
         <author>ruialbcunha</author>
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         <pubDate>2018-10-30 11:41:09 UTC</pubDate>
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         <title></title>
         <author>ruialbcunha</author>
         <link>https://padlet.com/ruialbcunha/1ei992aju793/wish/298427538</link>
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         <pubDate>2018-10-30 11:41:38 UTC</pubDate>
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         <title></title>
         <author>ruialbcunha</author>
         <link>https://padlet.com/ruialbcunha/1ei992aju793/wish/298428177</link>
         <description><![CDATA[<div><strong><br>Sugestões de publicações sobre a AP01 a incluir no mural:<br></strong><br></div><div><br></div><ul><li>Evidências de <strong>causas</strong> e <strong>consequências</strong> do aquecimento global, em Portugal e no mundo.</li><li>Evidências de <strong>interações</strong> entre os subsistemas, relacionadas com o aquecimento global.</li><li>Evidências de possíveis <strong>soluções </strong>para travar o aquecimento global.</li></ul>]]></description>
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         <pubDate>2018-10-30 11:43:47 UTC</pubDate>
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         <title></title>
         <author>ruialbcunha</author>
         <link>https://padlet.com/ruialbcunha/1ei992aju793/wish/298428734</link>
         <description><![CDATA[<div><strong><br>Sugestões de publicações sobre a AP02 a incluir no mural:<br></strong><br></div><div><br></div><ul><li>Evidências do <strong>ciclo das rochas </strong>(fotos, textos, vídeos, ...).</li><li>Registos da <strong>atividade prática </strong>(fotos das amostras, vídeos do teste do ácido, ...).</li><li>Relatos da <strong>história geológica</strong> das amostras.</li></ul>]]></description>
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         <pubDate>2018-10-30 11:45:44 UTC</pubDate>
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         <title></title>
         <author>ruialbcunha</author>
         <link>https://padlet.com/ruialbcunha/1ei992aju793/wish/304865762</link>
         <description><![CDATA[<div>Sugestões de publicações  sobre a <strong>AP03 a incluir no mural:</strong></div><ul><li><strong>Capturas de écrã </strong>do <em>Google Earth </em>ilustrativas de estruturas tectónicas.</li><li>Evidências visuais (fotos, vídeos, ...) dos processos tectónicos em <strong>paisagens da Terra.</strong></li><li>Referências a <strong>artigos ou notícias </strong>alusivos a eventos de natureza tectónica.</li><li><strong>Desenhos e esquemas</strong> ilustrativos de diferentes estruturas e processos tectónicos.</li></ul>]]></description>
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         <pubDate>2018-11-15 15:54:09 UTC</pubDate>
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         <title>Saber mais</title>
         <author>ruialbcunha</author>
         <link>https://padlet.com/ruialbcunha/1ei992aju793/wish/304867482</link>
         <description><![CDATA[<div>As formações de ferro bandado são depósitos sedimentares caracterizados pela alternância de minerais ricos em ferro (por exemplo, hematite) com camadas ricas em sílica (por exemplo, quartzo). Estas formações rochosas depositaram-se entre os 3000 e 1800 M.a. atrás, originando depósitos que cobriam parte dos oceanos primitivos e com dezenas a centenas de metros de espessura.<br>Os investigadores acreditam que o ferro era abundante nos mares primitivos, onde se encontrava dissolvido, tendo reagido com o oxigénio libertado pelos primeiros seres vivos fotossintéticos. Da reação formou-se um óxido de ferro, insolúvel, que precipitou nos mares primitivos. Após o ferro dissolvido ter sido consumido, o oxigénio começou a acumular-se na atmosfera.<br>Foto: Formação de Ferro Bandado, Parque Nacional Karijini, Austrália (fonte: Wikimedia commons)</div>]]></description>
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         <pubDate>2018-11-15 15:56:33 UTC</pubDate>
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         <author>ruialbcunha</author>
         <link>https://padlet.com/ruialbcunha/1ei992aju793/wish/304867943</link>
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         <pubDate>2018-11-15 15:57:18 UTC</pubDate>
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         <title></title>
         <author>ruialbcunha</author>
         <link>https://padlet.com/ruialbcunha/1ei992aju793/wish/304868906</link>
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         <pubDate>2018-11-15 15:58:53 UTC</pubDate>
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         <title></title>
         <author>ruialbcunha</author>
         <link>https://padlet.com/ruialbcunha/1ei992aju793/wish/304869182</link>
         <description><![CDATA[]]></description>
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         <pubDate>2018-11-15 15:59:23 UTC</pubDate>
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         <title>Saber mais</title>
         <author>ruialbcunha</author>
         <link>https://padlet.com/ruialbcunha/1ei992aju793/wish/304885547</link>
         <description><![CDATA[<div>O penedo do Lexim materializa uma conduta vulcânica profunda que provavelmente alimentaria um pequeno aparelho vulcânico à superfície, a partir de uma câmara magmática localizada em profundidade, durante o Cretácico Superior.<br>Esta conduta, equivalente a uma chaminé vulcânica, integra o Complexo Vulcânico de Lisboa, que para além deste tipo de corpos intrusivos também apresenta escoadas lávicas (alimentadas por chaminés como a do Lexim), soleiras e filões. Este complexo faz parte do segundo pulso de atividade magmática do Cretácico Superior e deverá ter uma idade de 72 Ma.<br>O Penedo do Lexim é constituído por uma rocha basáltica,  onde se observam fenocristais de olivina e de piroxena envolvidos por uma matriz afanítica. Esta chaminé encontra-se excecionalmente bem preservada e ocupa uma posição de destaque no relevo da região. Os prismas poligonais (geralmente hexagonais) que formam as colunas típicas deste tipo de disjunção formam-se em consequência da contração da rocha durante o arrefecimento e o seu alongamento é geralmente perpendicular ao contacto com a rocha encaixante .<br>Foto: Penedo do Lexim (Fonte: Wikimedia commons)</div>]]></description>
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         <pubDate>2018-11-15 16:26:30 UTC</pubDate>
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         <title>Saber mais</title>
         <author>ruialbcunha</author>
         <link>https://padlet.com/ruialbcunha/1ei992aju793/wish/304889305</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.rtp.pt/noticias/mundo/o-atlantico-pode-morrer-para-dar-a-luz-um-novo-supercontinente_es969862" />
         <pubDate>2018-11-15 16:32:32 UTC</pubDate>
         <guid>https://padlet.com/ruialbcunha/1ei992aju793/wish/304889305</guid>
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         <title>Portugal antes da História</title>
         <author>ruialbcunha</author>
         <link>https://padlet.com/ruialbcunha/1ei992aju793/wish/304905043</link>
         <description><![CDATA[]]></description>
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         <pubDate>2018-11-15 16:58:31 UTC</pubDate>
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         <title></title>
         <author>ruialbcunha</author>
         <link>https://padlet.com/ruialbcunha/1ei992aju793/wish/312146156</link>
         <description><![CDATA[<div>Sugestões de publicações sobre a AP04 a incluir no mural:</div><div><br></div><ul><li>Registos da <strong>atividade prática </strong>(fotos e vídeos das simulações de fluxos de lava, ...).</li><li>Evidências visuais (fotos, vídeos, ...) de <strong>fluxos de lava </strong>na Natureza.</li><li>Referências a <strong>artigos ou notícias </strong>alusivos a eventos de natureza vulcânica.</li><li><strong>Desenhos e esquemas</strong> ilustrativos de diferentes estruturas e processos vulcânicos.</li></ul>]]></description>
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         <pubDate>2018-12-07 08:53:53 UTC</pubDate>
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         <title></title>
         <author>ruialbcunha</author>
         <link>https://padlet.com/ruialbcunha/1ei992aju793/wish/312146416</link>
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         <pubDate>2018-12-07 08:55:16 UTC</pubDate>
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         <title></title>
         <author>ruialbcunha</author>
         <link>https://padlet.com/ruialbcunha/1ei992aju793/wish/312146657</link>
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         <pubDate>2018-12-07 08:56:35 UTC</pubDate>
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         <author>ruialbcunha</author>
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         <pubDate>2018-12-07 09:58:11 UTC</pubDate>
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         <author>ruialbcunha</author>
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         <pubDate>2018-12-11 11:27:22 UTC</pubDate>
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         <author>ruialbcunha</author>
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         <pubDate>2018-12-17 11:57:59 UTC</pubDate>
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