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21st Century chemistry teacher: Analysis of TPACK of pre-service chemistry teachers in teachers college Friska Juliana Purba; Kelly Sinaga; Debora Sitinjak; Candra Y Tahya
Jurnal Pendidikan Kimia (JPKIM) Vol 15, No 2 (2023): August
Publisher : Pascasarjana Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jpkim.v15i2.43788

This research is aimed to analyze chemistry pre-service teachers' profile of the TPACK (Technology Pedagogy and Content Knowledge) competencies in Teachers College. The method used in this study was a mixed method using TPACK’s questionnaire and interview. This study revealed that Content Knowledge (CK), Technology Knowledge (TK), Pedagogy Knowledge (PK), Pedagogy Content Knowledge (PCK), and Technology Pedagogy Knowledge (TPK) components of TPACK of pre-service teachers are excellent. The Technology Content Knowledge (TCK) component needs to be improved throughout training courses that enabled the pre-service teacher to utilize, design, and apply various chemistry-based computer applications. The component of TPACK will continue to develop with the support of institutions and teaching experience. Strengthening the components of TPACK is important for a chemistry teacher to embrace 21st century learning.Keywords: Chemistry pre-sevice teacher; 21st century learning; TPACK

PENYULUHAN PENCEGAHAN PENYAKIT MENULAR DAN BAKTI SOSIAL PEMBERSIHAN SALURAN AIR DI DESA CIAKAR RT 004/ RW 003, KECAMATAN PANONGAN, KABUPATEN TANGERANG Candra Yulius Tahya; Kelly Sinaga; Friska Purba; Benedict Iglecias Sihombing
Martabe : Jurnal Pengabdian Kepada Masyarakat Vol 6, No 5 (2023): martabe : jurnal pengabdian kepada masyarakat
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jpm.v6i5.1788-1795

Dalam upaya mendukung Program Universitas Pelita Harapan untuk membina Desa-desa binaannya, termasuk Desa Ciakar, khususnya dalam megatasi masalah kesehatan masyrakat, Program Studi Pendidikan Kimia, bekerja sama dengan pengurus RT 004/RW 003 melaksanakan kegiatan Penyuluhan Penyakit Menular pada 5 Maret 2023 dan kegiatan Bakti Sosial pada 18 Maret 2023. Kedua kegiatan ini akan menjadi pendorong semangat dan penguatan pemahaman masyarakat tentang menjaga kebersihan lingkungan dan mencegah penyebaran berbagai penyakit menular di lingkungannya. Pengurus RT pun juga berkomitmen dengan bantuan beberapa sarana kebersihan yang diberikan UPH, akan tetap menjalankan bakti sosial-bakti sosial selanjutnya sehingga kebersihan dan kesehatan warga bisa semakin ditingkatkan.

Developing Senior High School Student’s Chemical Literacy Skills Through Inquiry-Based Online Chemistry Learning Elly Albert Zebua; Kelly Sinaga
Jurnal Akademika Kimia Vol. 10 No. 2 (2021)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2021.v10.i2.pp126-132

This paper is motivated by the challenges of chemistry class during the online learning period in developing students’ chemical literacy skills that were found during internship two by the author at a school in North Sulawesi at Senior High School. Based on these activities, it is known that the limitations of students in understanding chemical materials and concepts during online learning pose as a challenge for teachers to carry out the chemistry lessons long distanced. This paper aims to review the development of students’ literacy skills through inquiry-based learning. This paper also aims to examine the implications of chemical literacy in helping Christian teachers guide students to God's wisdom through inquiry-based chemistry’s online learning. The results from this study showed that the chemical literacy skills of students in the school where the author carried out field experience program two activities showed positive results; however, it was not comprehensive. Furthermore, chemical literacy helped Christian teachers observe students’ development in understanding chemical concepts and their relevance to biblical principles. This study concluded that honing chemical literacy skills through inquiry-based online learning can help students be more active in obtaining information. Good chemical literacy skills will help students make decisions based on problems that are always based on biblical principles. The author of this study suggests examining strategies in addition to inquiry-based learning, which can improve student’s chemical literacy skills, especially in online chemistry learning.

Applying Science Process Skills in Understanding Chemical Equilibrium Through Experiment Friska Purba; Debora Suryani Sitinjak; Kelly Sinaga
Jurnal Akademika Kimia Vol. 10 No. 2 (2021)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2021.v10.i2.pp78-86

Students from Teachers College coming from various regions causes variations in the cognitive, affective, and psychomotor level. Some of them have a difficulty that leads to misconception in understanding the content in chemistry, particularly on chemical equilibrium. One of the ways to comprehend that content is by conducting experiments. This study aims to apply science process skills in understanding chemical equilibrium through the experiment method. This research also helps students in their experiments in which their ability is shaped to reach the level of application. Through experiment method, science process skill will develop and give a good response in giving action both in cognitive comprehension and ineffective as well as psychomotor level. The research method used is pre-experimental with a One-Group Pre-Post test Design. The result showed N-gain was 0.7, which classified high categories and science process skills showed good categories. The final result of this research was that students would be able to understand chemical equilibrium better by applying science process skills with an experiment.

Pre-service Chemistry Teachers’ Mental Model of Colligative Properties for Nonelectrolyte Solutions Kelly Sinaga; Debora S. Sitinjak; Friska J. Purba
Jurnal Akademika Kimia Vol. 10 No. 3 (2021)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2021.v10.i3.pp139-152

Mental models are representations that describe the understanding of the three levels of representation in chemistry, that is macroscopic, sub-microscopic, and symbolic. This study aims to obtain a general description of the mental model of pre-service chemistry teachers in the colligative properties of non-electrolyte solutions. The study was a descriptive research with 22 second-year FIP Chemistry Education students from Pelita Harapan University Tangerang. Data collection was carried out with research instruments in the form of diagnostic tests. The results of the study state that the average percentage level of representation is 67 % macroscopic level, 31% sub-microscopic level, and 72 % symbolic level. The results of this study indicate that students' understanding at the macroscopic and sub-microscopic level of the colligative properties of non-electrolyte solutions was low compared to chemical representations at a symbolic level. Meanwhile, the categories of mental models possessed by pre-service chemistry teachers in the topic of non-electrolyte colligative properties vary for each level of chemical representation. Based on the percentage at each level of representation, the mental model of chemistry teacher candidates with a symbolic model category is higher than the scientific model. The low mental model of the scientific model contributed to the understanding of the pre-service chemistry teachers that the concept of chemistry is not intact scientifically.

PENYULUHAN PENCEGAHAN PENYAKIT MENULAR DAN BAKTI SOSIAL PEMBERSIHAN SALURAN AIR DI DESA CIAKAR RT 004/ RW 003, KECAMATAN PANONGAN, KABUPATEN TANGERANG Candra Yulius Tahya; Kelly Sinaga; Friska Purba; Benedict Iglecias Sihombing
Martabe : Jurnal Pengabdian Kepada Masyarakat Vol 6, No 5 (2023): martabe : jurnal pengabdian kepada masyarakat
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jpm.v6i5.1788-1795

Dalam upaya mendukung Program Universitas Pelita Harapan untuk membina Desa-desa binaannya, termasuk Desa Ciakar, khususnya dalam megatasi masalah kesehatan masyrakat, Program Studi Pendidikan Kimia, bekerja sama dengan pengurus RT 004/RW 003 melaksanakan kegiatan Penyuluhan Penyakit Menular pada 5 Maret 2023 dan kegiatan Bakti Sosial pada 18 Maret 2023. Kedua kegiatan ini akan menjadi pendorong semangat dan penguatan pemahaman masyarakat tentang menjaga kebersihan lingkungan dan mencegah penyebaran berbagai penyakit menular di lingkungannya. Pengurus RT pun juga berkomitmen dengan bantuan beberapa sarana kebersihan yang diberikan UPH, akan tetap menjalankan bakti sosial-bakti sosial selanjutnya sehingga kebersihan dan kesehatan warga bisa semakin ditingkatkan.

Validity of Wetland-Based Chemistry Media with Virtual Workspace-SCCRT Model to Improve 6c'skills in Society 5.0 Rusmansyah Rusmansyah; Syahmani Syahmani; Yogo Dwi Prasetyo; Mohamad Nor Aufa; Arnita Purnama; Maulida Maulida; Kelly Sinaga; Maya Istyadji
QUANTUM: Jurnal Inovasi Pendidikan Sains Vol 16, No 1 (2025): April 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/quantum.v16i1.21117

This study aims to develop and evaluate the validity of wetland-based chemistry learning media with the SCCrT model supported by Virtual Workspace to improve 6C skills in the Society 5.0 era. The method used is Research and Development (R&D) with the ADDIE (Analyze, Design, Develop, Implement, Evaluate) model, including validation by material and media experts. The results of validation by five experts showed that the learning media had very high validity (average score of 90%), especially in the aspects of curriculum suitability (92%) and relevance to environmental issues (91%). This media successfully integrates the concept of chemistry with sustainability issues and supports the development of 21st-century skills, such as critical thinking, collaboration, and civic thinking. These results show that the learning media developed is effective and relevant to improving the quality of chemistry learning and students' environmental awareness

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