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EnglishIn this work we investigate the dynamics of 143 schools of the 3rd cycle of Basic Education in Portugal, regarding the preparation and participation in online science competitions on curricular contents of Mathematics, Portuguese, Physics and Chemistry and Geology. An exploratory factorial analysis of empirical data concerning the competitions in 2015 was carried out, to analyze the characteristics inherent to schools’ performance. Four latent factors describing the schools’ behavior were identified: Quantitative Training, Qualitative Training, Proficiency and Users, which allowed us to verify that: (i) participation in mathematics competition is predominant; (ii) schools participating in two or three competitions present different preparation dynamics; (iii) schools involved only in Mathematics and Physics and Chemistry competitions seem to adopt a more articulated and efficient pedagogical strategy. Although all schools develop a preparatory work before competitions, the strategies used seem to be related to the combination of distinct disciplinary groups participating in the competitions. portuguesNeste trabalho investiga-se a dinâmica de escolas do 3o ciclo do Ensino Basico em Portugal, na preparacao e participacao em uma competicao desenvolvida em ambiente computacional sobre conteudos curriculares de Matematica, Portugues, Fisico-Quimica e Geologia. Foi realizada uma analise fatorial exploratoria de dados empiricos relativos as 143 escolas participantes nas competicoes realizadas em 2015, analisando-se as suas carateristicas de atuacao. Foram identificados quatro fatores latentes descrevendo o comportamento das escolas: Treino quantitativo, Treino qualitativo, Prestacao e Utilizadores, constatando-se que: (i) a participacao na competicao de Matematica e predominante; (ii) escolas participantes em duas ou tres competicoes apresentam diferentes dinâmicas de preparacao; (iii) escolas que participam apenas em Matematica e Fisico-Quimica parecem adotar estrategias pedagogicas mais articuladas e eficientes. Reconhece-se que, embora as escolas participantes desenvolvam trabalhos de preparacao, existe uma tendencia para as escolas apresentarem estrategias distintas de atuacao consoante a combinacao de grupos disciplinares presentes nas competicoes oficiais.

Competições em ciência usando tecnologia: um caso de estudo do comportamento das escolas participantes em Portugal