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- W2608134531 abstract "En este trabajo se presentan los resultados de una investigacion sobre ideas previas de estudiantes del bachillerato acerca de algunos fenomenos que se explican, cualitativamente, mediante la ecuacion de Bernoulli como aproximacion. Para ello, a la muestra estudiada se le aplico un cuestionario en el cual se plantearon cuatro casos concernientes a la Dinamica de Fluidos. Para evaluar las respuestas de los alumnos se construyo un criterio de evaluacion, conformado por cinco categorias de clasificacion, con el que se delimitaron las explicaciones dentro de las cuales se identificaron sus ideas previas. Se encontro que estas ideas intuitivas sobre la relacion entre las variables presion estatica y rapidez del flujo son contrarias a la expresada por la ecuacion de Bernoulli.Palabras clave: Ideas previas; ecuacion de Bernoulli; investigacion educativa; educacion media superior; ensenanza de la Fisica.Conceptual difficulties in understanding the Bernoulli’s equationThis paper showed the results of a previous ideas research into high school students about phenomena related with Bernoulli’s equation. A questionnaire consisted of four cases based on fluid dynamics was applied to 54 students. To assess the student’s responses, were build five categories of classification in which their previous ideas were identified. The results showed some of previous ideas and the relationship between static pressure and flux velocity are opposed to their meaning in Bernoulli equation.Keywords: Previous ideas; Bernoulli’s equation; educational research; high school education; physics teaching." @default.
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- W2608134531 date "2017-01-01" @default.
- W2608134531 modified "2023-10-03" @default.
- W2608134531 title "Dificultades conceptuales para la comprensión de la ecuación de Bernoulli" @default.
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