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Chimica Didactica Acta : Journal of Chemistry and Chemistry Education
Published by Universitas Syiah Kuala
ISSN : 23384522     EISSN : 28096789     DOI : https://doi.org/10.24815/jcd
Core Subject : Science, Education,
Chemistry Education
Chimica Didactica Acta is a peer reviewed journal publishing research articles that address the topics of chemistry and chemistry education and practices. We focus on the topics but not limited to organic chemistry, inorganic chemistry, analytical chemistry, biochemistry, physical chemistry and educational chemistry and practices
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 5 Documents
 1 
Search results for , issue "Vol 10, No 1: June 2022" : 5 Documents clear
APPLICATION OF ONLINE LEARNING ON ACID-BASE TITRATION TOPIC TO IMPROVE STUDENTS’ LEARNING INTEREST Dinda Syiseni; Ade Ismayani; Rusman Rusman
Chimica Didactica Acta Vol 10, No 1: June 2022
Publisher : FKIP USK

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (267.687 KB) | DOI: 10.24815/jcd.v10i1.25346

Abstract

Students' interest in learning chemistry, especially in acid-base titration material during the pandemic, makes the learning process ineffective, students tend to be quiet and not interested in learning. The application of learning that can be used during a pandemic is online learning. This study aims to measure students' interest in learning through the application of online learning and to describe student learning activities and student reactions to the application of online learning. The type of research used is quantitative research with quasi-experimental methods and the One Group Posttest-Only Design. This research was conducted at SMA Negeri 1 Banda Aceh with 28 students in class XI MIA 4 taking samples using purposive sampling technique. Collecting data through observation sheets of learning activities and student learning interest questionnaires. The output of the study showed that there were learning activities in the good category with an average value of 90% and 93% observed by the observer. The application of online learning can be used during the current pandemic, seen from the responses of students in the good category with an average score of 76.67. The level of student interest in learning before the application of online learning was 65.71%, after the application of online learning obtained very good results of 77.08%. N-Gain score obtained 32.51 which is included in the medium category. Based on the results of the study, it can be concluded that the application of online learning can increase students' interest in learning.Keywords: Online, interest in Learning, Google Classroom, Acid-Base Titration
CHEMISTRY TEACHER'S PERCEPTION TOWARD SCIENTIFIC LITERACY Zulharveni Zulharveni; Sri Winarni; Erlidawati Erlidawati
Chimica Didactica Acta Vol 10, No 1: June 2022
Publisher : FKIP USK

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (215.478 KB) | DOI: 10.24815/jcd.v10i1.26700

Abstract

Education has a very important role in the development of Indonesian people as a whole. Based on this, it is necessary to develop various sciences in order to improve the quality of learning and intelligence for a nation. Therefore a research has been conducted entitled Perceptions of Chemistry Teachers Against Science Literacy. This study aims to analyze the perceptions of chemistry subject teachers on scientific literacy in several high schools in Aceh. The sample of this research is chemistry subject teachers in Aceh. The approach used in this research is descriptive qualitative. The data collection technique is in the form of an online questionnaire. Based on the results of data analysis and discussion in this study, of the 26 chemistry teachers who filled out a questionnaire, the majority of chemistry teachers had applied scientific literacy to the teaching and learning process after the implementation of the 2013 curriculum. Before the implementation of the 2013 curriculum teachers still often used direct learning. /lecture. Teachers in several areas in Aceh strongly support the application of scientific literacy in chemistry learning. Teachers are eager to take part in the training on scientific literacy that will be held. Professional Learning Community (MGMP) strongly supports the implementation of scientific literacy, especially chemistry lessons.
IMPLEMENTATION OF BLENDED LEARNING TO IMPROVE STUDENT LEARNING OUTCOMES ON THE CONCEPT OF REACTION RATE Zulhera Aprilia; Rusman Rusman; Ratu Fazlia Indah Rahmayani
Chimica Didactica Acta Vol 10, No 1: June 2022
Publisher : FKIP USK

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (242.297 KB) | DOI: 10.24815/jcd.v10i1.26708

Abstract

This study aims to observe activities, learning outcomes and describe students' responses to blended learning on the concept of reaction rate. This is a descriptive research with a qualitative approach. The research subjects were 29 USK Chemistry Education students who programmed the Basic Chemistry II course in class 02 of the 2018/2019 academic year. Data were collected through tests, observations and questionnaires. The instruments used in this study were learning outcomes test questions, student activity observation sheets and student response questionnaires. The results of observation of student activities are categorized as very good, learning outcomes are included in the good category with a score of 73.7. The application of blended learning received positive responses (71.7%). Based on the results of the study, it was concluded that the application of blended learning on the reaction rate material had a positive impact on learning activities and outcomes and received good responses from students.
IDENTIFICATION OF POTENTIAL ANTIVIRUS FROM Moringa oleifera LEAF AS MPRO SARS-COV-2 INHIBITOR: STUDY OF MOLECULAR DOCKING Zaimi Afandi; Yuni Rahmayanti; Rizarullah Rizarullah
Chimica Didactica Acta Vol 10, No 1: June 2022
Publisher : FKIP USK

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (476.302 KB) | DOI: 10.24815/jcd.v10i1.24565

Abstract

Corona virus disease/COVID-19 is an acute respiratory infection caused by SARS-CoV-2 and has become a pandemic. COVID-19 can be prevented by efforts such as physical distancing, washing hands, using masks and self-isolation as well as regional isolation. Moringa is a plant that can be used both as food and medicine. The purpose of this study was to observe the activity of Moringa leaf compounds in inhibiting Mpro (main protease) SARS-CoV-2. Moringa leaf compounds tested were Gamma tocopherol, Benzyl glucosinolate and Chlorogenic acid. The compound was taken from pubchem, while Mpro SARS-CoV-2 (receptor) was obtained from the world protein bank with the PDB code 6W63. This research was conducted using the In Silico method and AutoDock Vina software was used for the tethering process. The results of gridbox optimization by re-tethering control ligands obtained RMSD results of 0.122 . The results showed free energy Gibbs (ΔG) Gamma tocopherol (-6.8 kcal/mol), Benzyl glucosinolat (-6.6 kcal/mol), and Chlorogenic acid (-7.0 kcal/mol) which indicated a stable inhibitory reaction of Moringa leaf compounds against Mpro SARS-CoV-2. Based on Lipinski's rules, the compounds from Moringa leaves tested were qualified to be used as herbal medicines to be used orally.  
DEVELOPING NUTMEG OIL DISTILLATION VIDEO AS AN ALTERNATIVE LEARNING MATERIAL FOR CRAFT AND ENTERPRENEUR SUBJECT MATTER IN SMAN 1 PASIE RAJA Nayu Tisa; M Adlim; Ibnu Khaldun
Chimica Didactica Acta Vol 10, No 1: June 2022
Publisher : FKIP USK

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (339.369 KB) | DOI: 10.24815/jcd.v10i1.22684

Abstract

The purpose of this study was to develop a video of nutmeg oil distillation as an alternative material for craft and entrepreneurship subjects for class XI SMA N 1 Pasie Raja. This study  is research and development (RD) with the ADDIE model developed by Dick and Carry (1996). The videos that have been successfully made have gone through the ADDIE stage, namely validation by media experts and material experts with an average score of 88.9% and 88.5%, respectively, so that the material and media aspects are categorized as very good. The learning video is applied in the classroom by showing it; teachers and students gave positive responses of 100% and 88.14%, both of which were categorized as very good. The score of students' understanding of the learning video media obtained an average percentage of 79.47% and was categorized as good. Video learning of nutmeg oil refining is appropriate to be used as a medium of learning in the subjects of crafts and entrepreneurship.

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