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Obaya-Valdivia, Adolfo E.; Montaño-Osorio, Carlos; Vargas-Rodríguez, Yolanda M. – Science Education International, 2022
An exploratory study was to determine the effectiveness of discussion sessions as a teaching strategy of thermodynamics in basic physical chemistry of fundamental concepts in this area as spontaneity by explaining students according to their ideas. A previously validated questionnaire was used as an instrument on thermochemistry, enthalpies of…
Descriptors: Teaching Methods, Science Instruction, Scientific Concepts, Concept Formation
Salgado-Chavarría, David; Palacios-Alquisira, Joaquín – Science Education International, 2021
A problem-based learning (PBL) methodology was implemented to a project, whose main objectives were to discuss and apply the Twelve Principles of Green Chemistry to the study of poly(vinyl alcohol)'s cross-linking reaction with dicarboxylic acids. The five participating students were oriented to be responsible for their own learning and the…
Descriptors: Problem Based Learning, Chemistry, Science Instruction, Scientific Principles
Rojas-Oviedo, Irma; Meléndez-Ocampo, Arcelia; Herrera-García, Nancy – Science Education International, 2018
Few would deny that teachers play a decisive role in the learning-teaching process of students. The learning-teaching process with a gender equity perspective is an important tool to improve the participation and success of women in chemistry. The learning-teaching process with a gender equity perspective was analyzed using the final scores of two…
Descriptors: Chemistry, Science Instruction, Gender Differences, Pharmaceutical Education