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Caderno Brasileiro de Ensino de Física
Article . 2016 . Peer-reviewed
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Caderno Brasileiro de Ensino de Física
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Aquecimento e resfriamento da água, aproximados à forma real

Authors: Reynaldo Lopes de Oliveira Jr.; Milton Alves Jr.; Victhória Haira Barbosa;

Aquecimento e resfriamento da água, aproximados à forma real

Abstract

http://dx.doi.org/10.5007/2175-7941.2016v33n1p306O objetivo deste trabalho é mostrar que quando não fazemos muitas simplificações em uma demonstração experimental de calorimetria, podemos levantar em sala de aula questões interessantes. Se aquecermos, com um ebulidor de imersão, uma porção não muito grande de água, observaremos que a temperatura da água continuará aumentando mesmo depois do desligamento da fonte térmica. Se desligamos o ebulidor, que é a fonte de energia térmica deste sistema, como pode a temperatura da água continuar subindo? Esta foi a questão geradora deste trabalho. A partir desta questão e dos dados experimentais coletados no laboratório, elaboramos um modelo matemático que explicasse os dados obtidos. Esta investigação ocorreu em um grupo de seis alunos do ensino médio mediados por um professor de física.

Keywords

LC8-6691, Physics, QC1-999, Special aspects of education

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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Average
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Average
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