Document Type : Original Research Paper
Authors
1 organic chemistry Department,Faculty of Science, Shahid Rajaee Teacher Training University (SRTTU), Tehran, Iran.
2 Faculty of Science, Shahid Rajaee Teacher Training University (SRTTU) Tehran, Iran.
3 Department of Curriculum planning,Faculty of Humanity, Shahid Rajaee Teacher Training University (SRTTU) Tehran, Iran.
Abstract
The purpose of this research is green chemistry education with the design and implementation of green chemistry experiments in stoichiometric subject in high school. The designing experiment was used to compare the green chemistry learning of experimental and control groups with pre-testing and post testing. The school selecting as well as the class selecting and assigning them to experimental and control groups، is random sampling. The method was done in two stages, to begin the practical in education on the basis of green chemistry (Independent variable) experiment was performed by "How glue is made?" experiment. A next step, teaching saponification by means of green chemistry dealing with tendency aspects and stoichiometric topics of the subject is considered as in experiment which covers many of green chemistry objectives by experimental group. Saponification experiment was done for control group without considering green chemistry objects. The data collected through teacher-made tests for cognitive domain of learners and check lists for tendency and painting open drawing in green chemistry for skill domain of learners. In this study, statistic population consist of experimental group (N=30) and control group (N=30) in high school girl students in Jafarabad city. The research has been done through descriptive–evaluative method. The research has been done through descriptive–evaluative method. The results clearly indicated that the principle of 1, 2, 3, 4, 6, 7, 11 and 12 of green chemistry principles were learned by experimental group. Also, teaching on the basis of green chemistry objectives, play important role in educating responsible students discovering talent students, training creativity, encouraging and motivating students to study and research in the field of green chemistry and replacing green method by classical method.
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Main Subjects
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