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All Journal Bulletin of Social Studies and Community Development
Andrian Saputra
Universitas Lampung [Scopus ID: 57216792189]

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Journal : bulletin of social studies and community development

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Enhancing Molecular Modelling Skill of High Schools Chemistry Teacher using Computational Chemistry Training Andrian Saputra; Lisa Tania
Bulletin of Social Studies and Community Development Vol 2, No 2 (2023): Bulletin of Social Studies and Community Development
Publisher : Institute of Multidisciplinary Research and Community Service

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61436/bsscd/v2i2.pp77-85

Abstract

Abstract: Current developments in information and communication technology require innovative efforts to integrate computers and visualization in learning. In the field of chemistry, many studies have proven that the integration of ICT plays a significant role in increasing the effectiveness of chemistry learning. The aim of this workshop activity is to increase the knowledge and skills of high school/MA chemistry teachers in Lampung Province in teaching atomic structure and chemical bonding based on computational chemistry using computational chemistry applications. This activity will be carried out for 6 months and will be attended by high school/MA chemistry teachers in Lampung Province. The training methods that will be used are workshops and guided practice. The activity evaluation design was carried out in 2 ways, namely evaluating participant understanding and evaluating participant skills. Evaluation of participants' understanding is based on pretest scores at the beginning of the activity and posttest at the end of the activity. Evaluation of participant skills is based on the participant performance assessment criteria during the workshop process. The results of the service implementation show that participants have been able to understand and know the types, advantages, functions and working/working procedures of smartphone-based molecular modeling applications for learning chemistry on atomic structure and the periodic system of elements. The participant performance during the training increase significantly in operating the computational program. The follow-up to this service is to expand the service participants to all teachers in Lampung Province and expand the workshop material not only on atomic structure and the periodic system of elements, but on other material such as chemical bonds, reaction rates, equilibrium, and so on. Keywords: computational chemistry training, molecular modelling skill, high school teacher.
Dynamic Representation-Aided Discovery Learning to Improve Translational Ability between Different Representations at the Same Level Andrian Saputra; Lisa Tania; Annisa Hanun
Bulletin of Social Studies and Community Development Vol 3, No 1 (2024): Bulletin of Social Science and Community Development
Publisher : Institute of Multidisciplinary Research and Community Service

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61436/bsscd/v3i1.pp01-07

Abstract

Abstract: This research aimed to describe the effectiveness of discovery learning assisted by molecular simulations in improving translational ability at the same level on stoichiometric topic. The method used in this research was quasi-experimental with purposive sampling data collection techniques. The population in this study were all students in class XI Science at SMA Negeri 2 Metro for the 2022/2023 academic year. Class X IPA 2 was the experimental class while class XI IPA 3 as the control class. The increase in translational ability at the same level was measured based on the significant difference in the n-gain average in the experimental class and the control class. The research results showed that the n-gain average of students in the experimental class was 0.6 in high criteria, while the n-gain average of students in the control class was 0.53 in medium criteria. Based on the difference test, the translational ability at the same level of students in the experimental class was higher than in the control class. It can be concluded that discovery learning assisted by molecular simulations was effective in improving translation abilities at one level of chemical representation in stoichiometric topic. Keywords: discovery learning, molecular simulation, translation ability at one level chemical representation, stoichiometry
Co-Authors Annisa Hanun Lisa Tania