Laboratorios virtuales para el tema de purificación de sustancias en un laboratorio químico
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Pérez - Borroto Martínez, Sergio
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Universidad Central “Marta Abreu” de Las Villas
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Como parte del proceso de enseñanza - aprendizaje de la Química General, en la Universidad Central "Marta Abreu" de Las Villas se diseñan e implementan laboratorios virtuales como preparación de los estudiantes para las prácticas en el laboratorio real, en las carreras de perfil químico, y, en otras, como sustitución de las prácticas reales debido a la carencia de equipos y reactivos.
Es por ello que el objetivo de esta investigación ha sido desarrollar sendos software que simulen las prácticas de laboratorios “Purificación del ácido benzoico” y “Purificación del cloruro de sodio” correspondientes al tema Purificación de sustancias. El sistema se desarrolló a través de la herramienta computacional Macromedia Flash 8; se establece un ambiente visual de presentación único para ambas simulaciones y se da cumplimiento a los siguientes requerimientos didácticos: lograr interactividad, permitir la autoevaluación del desempeño del estudiante, lograr un ambiente virtual cercano a la realidad e incluir orientaciones para el estudio independiente.
As part of the teaching-learning process of the General Chemistry at "Marta Abreu" University from Villa Clara it is designed and it is also implemented virtual laboratories as part of the students preparation for real laboratory practice in the careers of chemical profile and others, as substitution of the real practice due to the lack of equipment and reagents. That’s why the objective of this investigation has been to develop software for each practice that simulate laborator y practices "Purification of the benzoic acid" and "Purification of the chloride of sodium" corresponding to the topic purification of substances. The system was developed through the tool computational Macromedia Flash 8; a unique visual atmosphere of presentation settles down for both simulations and execution is given to the following didactic requirements: To achieve interactiony and to allow self-evaluation of the students acting, to achieve a near virtual atmosphere to the reality and to include orientations for the independent study.
As part of the teaching-learning process of the General Chemistry at "Marta Abreu" University from Villa Clara it is designed and it is also implemented virtual laboratories as part of the students preparation for real laboratory practice in the careers of chemical profile and others, as substitution of the real practice due to the lack of equipment and reagents. That’s why the objective of this investigation has been to develop software for each practice that simulate laborator y practices "Purification of the benzoic acid" and "Purification of the chloride of sodium" corresponding to the topic purification of substances. The system was developed through the tool computational Macromedia Flash 8; a unique visual atmosphere of presentation settles down for both simulations and execution is given to the following didactic requirements: To achieve interactiony and to allow self-evaluation of the students acting, to achieve a near virtual atmosphere to the reality and to include orientations for the independent study.