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      <title>P1 de física by Maria Clara.18</title>
      <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0</link>
      <description> Propriedades magnéticas da matéria</description>
      <language>en-us</language>
      <pubDate>2021-09-28 19:00:24 UTC</pubDate>
      <lastBuildDate>2025-11-02 06:08:26 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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      <item>
         <title>Características magnéticas da matéria </title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775712117</link>
         <description><![CDATA[<div>Os materiais podem ser classificados por suas propriedades magnéticas, existem três tipos de classificação de acordo com a sua estrutura atômica e do campo magnético aplicado (ferromagnetismo, paramagnetismo e diamagnetismo)&nbsp;</div><div><br><br></div>]]></description>
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         <pubDate>2021-09-28 19:06:06 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775712117</guid>
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         <title>Ferromagnetismo </title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775749760</link>
         <description><![CDATA[<div>É um fenômeno que é dado a partir da capacidade, de materiais como imãs, tem de reagir com o campo magnético. Eles mantém o magnetismo quando o campo é removido. O material (feito de ferro) sofre uma aplicação do campo magnético e por isso que os dipolos atômicos serão alinhados com o do campo (tornando-o magnetizado) e formando imãs permanentes&nbsp;</div>]]></description>
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         <pubDate>2021-09-28 19:22:29 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775749760</guid>
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         <title>Paramagnetismo</title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775750402</link>
         <description><![CDATA[<div>Uma substancia (corpo) que quando colocado em um campo magnético possui magnetização em proporção direta (materiais com estrutura atômica). Os momentos magnético dos átomos não estão alinhados, os materiais são atraídos por um campo magnético e <strong>formam </strong>outros campos internos; Alguns materiais paramagnéticos tornam-se magnéticos em todas as condições </div>]]></description>
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         <pubDate>2021-09-28 19:22:47 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775750402</guid>
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      <item>
         <title>Diamagnetismo</title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775752991</link>
         <description><![CDATA[<div>Surge do movimento de elétrons em sua orbita que fica ao redor do núcleo (é uma propriedade universal). É o tipo de magnetismo que os materiais não se alinham uniformemente no campo magnético (ele expele dentro do campo)<br>Ele depende da capacidade de um material CRIAR um campo magnético oposto quando ele é exposto a outro campo-um mais forte</div>]]></description>
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         <pubDate>2021-09-28 19:23:58 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775752991</guid>
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      <item>
         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775763175</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-09-28 19:28:45 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775763175</guid>
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         <title>Exemplos </title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775896018</link>
         <description><![CDATA[<div>Os principais materiais são o Ferro, Cobalto e Níquel, também faz parte dos materiais as ligas que são formadas a partir desses elementos. Para o uso do dia a dia o maior exemplo são os imãs de geladeira  </div>]]></description>
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         <pubDate>2021-09-28 20:33:03 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775896018</guid>
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      <item>
         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775903688</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-09-28 20:37:14 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775903688</guid>
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      <item>
         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775904929</link>
         <description><![CDATA[<div>As partículas se organizam paralelamente umas às outras quando existe um campo magnético</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-09-28 20:37:56 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775904929</guid>
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      <item>
         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775908217</link>
         <description><![CDATA[<div>Os materiais eletricamente descarregados atraem fortemente os outros </div>]]></description>
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         <pubDate>2021-09-28 20:39:30 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775908217</guid>
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      <item>
         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775912667</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-09-28 20:41:38 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775912667</guid>
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      <item>
         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775913944</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-09-28 20:42:22 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775913944</guid>
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      <item>
         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775922578</link>
         <description><![CDATA[<div>https://www.youtube.com/watch?v=mUuXIWRwnGI<br><br></div>]]></description>
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         <pubDate>2021-09-28 20:46:43 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775922578</guid>
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      <item>
         <title>Exemplos </title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775951909</link>
         <description><![CDATA[<div>Os materiais mais fortes são o Bismuto e o Grafite, também os compostos orgânicos. Mas muitos materiais que não são diamagnéticos possuem as mesmas qualidades como a água, madeira, plantas e humanos, por isso dizem que todas as coisas podem ser diamagnéticas </div>]]></description>
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         <pubDate>2021-09-28 21:01:57 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775951909</guid>
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      <item>
         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775965535</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-09-28 21:09:39 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775965535</guid>
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      <item>
         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775966122</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-09-28 21:10:00 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775966122</guid>
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      <item>
         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775979926</link>
         <description><![CDATA[<div>Os materiais são repelidos por uma força magnética externa que se formam no campo chamada Foucault; Eles são supercondutores; Não existem dipolos atômicos; O diamagnetismo pode causar levitação em algumas ocasiões </div>]]></description>
         <enclosure url="" />
         <pubDate>2021-09-28 21:17:57 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775979926</guid>
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         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775981097</link>
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         <pubDate>2021-09-28 21:18:35 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775981097</guid>
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         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775981711</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-09-28 21:19:00 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775981711</guid>
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      <item>
         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775982694</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-09-28 21:19:34 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775982694</guid>
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      <item>
         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775983352</link>
         <description><![CDATA[<div>https://www.youtube.com/watch?v=38C0XHTscFs</div>]]></description>
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         <pubDate>2021-09-28 21:19:57 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775983352</guid>
      </item>
      <item>
         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775987032</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-09-28 21:22:11 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775987032</guid>
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      <item>
         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775998778</link>
         <description><![CDATA[<div>As temperaturas mais baixas causam campos magnéticos mais fortes, por isso os materiais sem movem em uma direção oposta quando colocados no campo </div><div><br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2021-09-28 21:29:15 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1775998778</guid>
      </item>
      <item>
         <title>Exemplos </title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1776000880</link>
         <description><![CDATA[<div>&nbsp;O alumínio, o magnésio, o sulfato de cobre são os mais prováveis de serem paramagnéticos mais fortes, já o sódio e a platina são fracos em qualquer temperatura (possuem uma permeabilidade relativa). Os materiais paramagnéticos são a maioria dos elementos químicos pois tem uma maior permeabilidade e são atraidos por campos magnéticos </div>]]></description>
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         <pubDate>2021-09-28 21:30:32 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1776000880</guid>
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         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1776001120</link>
         <description><![CDATA[<div>ímãs elementares orientados no sentido contrário ao sentido do campo magnético aplicado</div>]]></description>
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         <pubDate>2021-09-28 21:30:41 UTC</pubDate>
         <guid>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1776001120</guid>
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         <title></title>
         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1776009982</link>
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         <pubDate>2021-09-28 21:36:18 UTC</pubDate>
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         <title></title>
         <author>clarapereiradeandrade</author>
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         <pubDate>2021-09-28 21:36:51 UTC</pubDate>
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         <title></title>
         <author>clarapereiradeandrade</author>
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         <pubDate>2021-09-28 21:37:25 UTC</pubDate>
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         <title></title>
         <author>clarapereiradeandrade</author>
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         <pubDate>2021-09-28 21:38:36 UTC</pubDate>
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         <author>clarapereiradeandrade</author>
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         <pubDate>2021-09-28 21:39:38 UTC</pubDate>
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         <author>clarapereiradeandrade</author>
         <link>https://padlet.com/clarapereiradeandrade/f9tvflgny4s36dc0/wish/1776016936</link>
         <description><![CDATA[<div>https://eaulas.usp.br/portal/video?idItem=6038 </div>]]></description>
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         <pubDate>2021-09-28 21:40:46 UTC</pubDate>
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         <author>clarapereiradeandrade</author>
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         <pubDate>2021-09-28 21:41:09 UTC</pubDate>
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