{"id":3359,"date":"2022-09-23T17:00:35","date_gmt":"2022-09-23T15:00:35","guid":{"rendered":"https:\/\/pioneers.nu\/nao-categorizado\/quantos-ml-e-um-litro\/"},"modified":"2023-01-24T18:58:21","modified_gmt":"2023-01-24T17:58:21","slug":"quantos-ml-e-um-litro","status":"publish","type":"post","link":"https:\/\/pioneers.nu\/pt-br\/blog-pt-br\/quantos-ml-e-um-litro\/","title":{"rendered":"Quantos ml \u00e9 um litro?"},"content":{"rendered":"\n<p>Um professor de qu\u00edmica tem uma aula e primeiro quer descobrir os conhecimentos pr\u00e9vios dos alunos sobre as medidas de volume e peso. Ele come\u00e7a por explicar que nos laborat\u00f3rios de qu\u00edmica, os estudantes devem ser capazes de misturar diferentes l\u00edquidos em propor\u00e7\u00f5es exactas. Pergunta, portanto, se algu\u00e9m pode dizer quanto \u00e9 um litro. Isso \u00e9 tanto como numa caixa de leite, diz um estudante. Bem, quanto l\u00edquido est\u00e1 no pacote expresso em decilitros, centilitros ou mililitros, pergunta o professor. Depende se a embalagem cont\u00e9m \u00e1gua, leite, iogurte ou xarope, porque os l\u00edquidos t\u00eam pesos diferentes&#8221;, responde outro estudante. N\u00e3o suspira de modo algum, suspira o professor. Um litro \u00e9 sempre um litro, n\u00e3o importa o que est\u00e1 na embalagem, mas como \u00e9 que ele deve explicar quantos ml est\u00e3o num litro?<\/p>\n\n<h2 class=\"wp-block-heading\">Quantos ml s\u00e3o num litro?<\/h2>\n\n<p>O professor traz uma caixa de leite para mostrar como se conta o volume e explica. Uma caixa de leite tem um fundo quadrado. Os lados t\u00eam 7 cent\u00edmetros. A \u00e1rea do piso \u00e9 ent\u00e3o de 49 cent\u00edmetros quadrados. Qu\u00e3o alto ser\u00e1 o n\u00edvel do l\u00edquido se o pacote tiver de aguentar exactamente um litro, o professor pergunta-se. O sil\u00eancio na sala de aula instala-se, mas o professor continua. Um litro \u00e9 igual a 1000 cent\u00edmetros c\u00fabicos. Kalle, que \u00e9 bom em aritm\u00e9tica mental, levanta a m\u00e3o e diz que a altura \u00e9 de 20,4 cent\u00edmetros. Certo, responde o professor, encantado por as suas capacidades de ensino terem triunfado. Ele pensa. Mas, quantos ml s\u00e3o num litro, ou seja, o mesmo que em 1000 cent\u00edmetros c\u00fabicos?<\/p>\n\n<h2 class=\"wp-block-heading\">Quantos ml \u00e9 meio litro?<\/h2>\n\n<p>O professor de qu\u00edmica finalmente percebe que a convers\u00e3o de um litro num cent\u00edmetro c\u00fabico est\u00e1 a tornar-se um pouco desnecessariamente complicada. Ele explica, portanto, que milli significa um mil\u00e9simo. Um mililitro, ou ml para abreviar, \u00e9 portanto um mil\u00e9simo de um litro. Uma caixa de um litro de leite cont\u00e9m, portanto, 1000 mililitros de leite. Agora o professor pede ao pensador r\u00e1pido Donald para lhe dizer quantos ml h\u00e1 em meio litro. Kalle responde rapidamente que meio litro equivale a 500 mililitros. \u00c9 verdade, mas como o descobriu t\u00e3o rapidamente, pergunta o magisteriante. Desta vez, espreitei para uma tabela de convers\u00e3o, que est\u00e1 dispon\u00edvel na Internet. N\u00e3o podemos usar tais tabelas em vez de fazer muitos c\u00e1lculos complicados, pergunta Kalle. O professor ambicioso desiste e deixa os seus alunos continuarem a utilizar tabelas de convers\u00e3o.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Um professor de qu\u00edmica tem uma aula e primeiro quer descobrir os conhecimentos pr\u00e9vios dos alunos sobre as medidas de volume e peso. Ele come\u00e7a por explicar que nos laborat\u00f3rios de qu\u00edmica, os estudantes devem ser capazes de misturar diferentes l\u00edquidos em propor\u00e7\u00f5es exactas. Pergunta, portanto, se algu\u00e9m pode dizer quanto \u00e9 um litro. Isso [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2509,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[112],"tags":[],"class_list":["post-3359","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-pt-br"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Quantos ml \u00e9 um litro? - Pioneiros<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pioneers.nu\/pt-br\/blog-pt-br\/quantos-ml-e-um-litro\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quantos ml \u00e9 um litro? - Pioneiros\" \/>\n<meta property=\"og:description\" content=\"Um professor de qu\u00edmica tem uma aula e primeiro quer descobrir os conhecimentos pr\u00e9vios dos alunos sobre as medidas de volume e peso. Ele come\u00e7a por explicar que nos laborat\u00f3rios de qu\u00edmica, os estudantes devem ser capazes de misturar diferentes l\u00edquidos em propor\u00e7\u00f5es exactas. Pergunta, portanto, se algu\u00e9m pode dizer quanto \u00e9 um litro. 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