Estrategia metacognitiva para repensar los niveles de representación involucrados en una transformación química

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Solange Wagner Locatelli

Resumen

A través de esta investigación, se pretendía comprender cómo ocho estudiantes universitarios de una universidad pública se apropian de los niveles de representación al proponer explicaciones para la transformación química involucrada en la combustión de metano. Para esto, los estudiantes tuvieron que escribir un texto para explicar esta reacción química, así como responder un cuestionario al principio y al final del proceso. La investigación fue cualitativa, basada en el análisis textual discursivo para la organización de datos, en el que se generaron unidades de análisis a partir de los textos producidos. Los resultados indicaron una prevalencia de explicaciones a nivel macroscópico, siendo menos considerado el nivel submicroscópico, así como la transición entre niveles, incluso con estudiantes más experimentados. Esto resalta la necesidad de volver a las explicaciones que involucran al triplete de vez en cuando para una mejor apropiación de esta comprensión, ya que no es espontánea.

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Locatelli, S. W. . (2020). Estrategia metacognitiva para repensar los niveles de representación involucrados en una transformación química. Ensino Em Re-Vista, 27(Especial), 1590–1613. https://doi.org/10.14393/ER-v27nEa2020-18
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