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Enhancing Critical Thinking Skills through Project-Based Chemistry Practicum Using Seaweed Hydrogel Design Dulanlebit, Yeanchon Henry; Hernani, Hernani; Liliasari, Liliasari; Amran, Muhammad Bachri
Tadris: Jurnal Keguruan dan Ilmu Tarbiyah Vol 9 No 2 (2024): Tadris: Jurnal Keguruan dan Ilmu Tarbiyah
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/tadris.v9i2.24847

Abstract

This study explores the effectiveness of a project-based chemistry practicum in enhancing critical thinking and conceptual understanding among chemistry teacher candidates. Using a seaweed-based hydrogel as a medium for adsorbing metal ions, the practicum incorporates contextual learning processes, including problem investigation, collaborative engagement, and technology design. Conducted with 36 students at Pattimura University, the study applied a mixed-methods approach, combining qualitative observations and quantitative data analysis. Results indicate significant improvements in students' critical thinking, as evidenced by an N-Gain of 0.72, enhanced worksheet scores, and better practicum outcomes. The findings underscore the importance of integrating environmental resources and technological tools in practicum activities to foster creativity and innovation. However, the study highlights the need for adequate laboratory resources, extended practicum time, and advanced rubrics to assess complex learning outcomes effectively. These insights contribute to the development of advanced chemistry practicum models that align with 21st-century learning skills.
Enrichment of Chemistry Conceptual Through Demonstration of Fun Chemistry Experiments for the Chemistry Teachers Community at Banten Province [Pengayaan Konsep Kimia Melalui Demonstrasi Fun Chemistry Experiments untuk Komunitas Musyawarah Guru Mata Pelajaran (MGMP) Kimia di Provinsi Banten] Muminah, Qonita; Kusrijadi, Ali; Nurhadi, Atep Rian; Hernani, Hernani
Jurnal Pengabdian Isola Vol 4, No 1 (2025): JPI: VOLUME 4, ISSUE 1, 2025
Publisher : Universitas Pendidikan Indonesia (UPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/jpi.v4i1.83454

Abstract

Metode pembelajaran eksperimen berkaitan erat dengan pembelajaran sains. Keunggulan metode pembelajaran ini tidak hanya bagi siswa, yaitu dapat mendorong terjadinya proses konstruksi pengetahuan, tetapi juga memberikan kesempatan bagi guru untuk menyesuaikan strategi pembelajaran dengan situasi dan kondisi nyata yang mereka hadapi. Faktanya, pelaksanaan eksperimen di banyak sekolah, terutama di Provinsi Banten, masih menghadapi permasalahan ketidaktersediaan fasilitas yang memadai sehingga menghambat guru dalam melakukan eksperimen atau demonstrasi kimia. Berdasarkan permasalahan tersebut, tim Fun Chemistry Program Studi Pendidikan Kimia, FPMIPA, UPI menyelenggarakan kegiatan pengabdian kepada masyarakat berupa demonstrasi Fun Chemistry Experiments. Melalui kegiatan ini, peserta yang merupakan guru kimia yang tergabung di dalam MGMP se-wilayah Banten, diharapkan mendapatkan pengayaan materi terkait eksperimen kimia dengan topik yang sesuai dengan mata pelajaran kimia yang diajarkan di sekolah. Metode yang dilakukan pada kegiatan pengabdian kali ini adalah demonstrasi yang disertai dengan diskusi dan tanya jawab. Saat demonstrasi dilakukan, para peserta yang berjumlah 30 orang dibekali dengan lembar kerja praktikum. Lembar kerja ini memuat 9 judul eksperimen dengan alat dan bahan yang dapat diadaptasi atau disesuaikan dengan kondisi masing-masing sekolah. Selain itu, di akhir sesi kegiatan angket pendapat guru disebarkan untuk memetakan potensi eksperimen mana saja yang mungkin untuk diadaptasi di sekolah masing-masing. Berdasarkan angket diperoleh bahwa eksperimen Pesan Rahasia, kemudian disusul oleh “Volcano Eruption”, “Tahan Panas”, dan “Haru Biru” (dengan jumlah frekuensi jawaban yang sama) dinilai oleh peserta sebagai eksperimen yang paling mungkin untuk diadaptasi di tempat mengajar masing-masing dengan jumlah frekuensi jawaban 21 dan 15 secara berturut-turut.The experimental learning method is closely related to science education. The advantages of this learning method are not only beneficial for students, by encouraging the process of knowledge construction, but also provide opportunities for teachers to adjust their teaching strategies to real situations and conditions. Implementing experiments in many schools, especially in Banten Province, continues to face issues related to inadequate facilities, thus inhibits teachers from conducting either chemistry experiments or demonstrations. According to this problem, the Fun Chemistry team from the Chemistry Education study program, FPMIPA, UPI, organized a Fun Chemistry Experiments demonstration activity. The purpose of this activity is to enrich the participants, who are chemistry teachers from the MGMP community in Banten, with chemistry experiments related to topics taught at the senior high school level. The methods used in this community service activity include demonstrations, discussions, and QA sessions. During the demonstration, the 30 participants were provided with practical worksheets. The worksheets contain 9 titles of experiments with tools and materials that can be adjusted to the real conditions of each school. In addition, at the end of the session, a questionnaire was distributed to the teachers to map which experiments could potentially be adapted in their respective schools. The results showed that the experiments 'Pesan Rahasia', followed by 'Volcano Eruption', 'Tahan Panas', and 'Haru Biru' (which had the same frequency of responses), were rated by participants as the most likely experiments to be adapted in their teaching places, with response frequencies of 21 and 15, respectively.
Prospective Science Teachers Perception of Local Resources based Curriculum for Learning Science Concepts Latip, Abdul; Park, Do-Yong; Kadarohman*, Asep; Hernani, Hernani; Anggriawan, Robby
Jurnal Pendidikan Sains Indonesia Vol 13, No 3 (2025): JULY 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jpsi.v13i3.47498

Abstract

A community-based curriculum emphasizes the utilization of local community resources to enrich science learning. Garut, situated in west Indonesia, boasts abundant local resources that can serve as valuable curricular materials for science instruction. This study delves into the perceptions of secondary prospective science teachers regarding the local community resources vis--vis science concepts. Thirty-four aspiring secondary science educators from a university in Garut participated in the investigation. The locale features several noteworthy resources, including the Kamojang geothermal field, the leather tanning industry, and Garut sheep. Data collection involved surveys and interviews, with analysis conducted through descriptive statistics and constant comparative methods. Overall, prospective teachers exhibited awareness of Garut's three primary local resourcesnamely, the Kamojang geothermal field (70.6%), the leather tanning industry (88.2%), and Garut sheep (67.6%). However, they lacked direct engagement with these resources, whether through site visits, ownership, maintenance, or comprehensive knowledge of their developmental processes. Furthermore, participants displayed varying levels of understanding regarding concepts related to geothermal science (31.63%), Garut sheep (52%), and the leather tanning industry (24.6%). Interviews depicted a growing inclination toward leveraging local resources in future science instruction. The findings underscore the imperative for prospective teachers to enhance their understanding of science concepts linked to each of Garut's community resources
Bibliometric Analysis of Water Pollution Research: Focus on Industry Impacts Mellyzar, Mellyzar; Hernani, Hernani; Nahadi, Nahadi; Agustina, Sri
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 2 (2025): July 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i2.647-669

Abstract

Water pollution is a pressing global issue, particularly in regions heavily impacted by industrialization. This results in aquatic ecosystem degradation, biodiversity loss, and significant health risks from waterborne diseases and prolonged exposure to toxic pollutants. Industrial waste is a key contributor, highlighting the urgency of effective mitigation strategies. This study aimed to analyze research trends in industrial water pollution, identify knowledge gaps, and provide actionable insights for policymakers. A bibliometric analysis and literature review were conducted on 2,523 articles published between 2015 and 2024 using R software and the Biblioshiny interface. In addition, 30 highly cited articles were reviewed in-depth to explore dominant themes and advancements. The findings show a marked increase in research output, with China as the leading contributor. Key topics include the impact of industrial effluents, innovative water treatment technologies, and regulatory measures. However, significant gaps remain, particularly in interdisciplinary approaches and research on developing countries, such as Indonesia. This study recommends advancing scalable, cost-effective hybrid technologies, fostering interdisciplinary collaboration, and promoting public awareness initiatives. This study highlights the need to integrate technological, social, and policy dimensions to address industrial water pollution effectively, offering a pathway for sustainable solutions and future research directions.
Is higher education curriculum prepare to support sustainable environmental chemistry learning? Mellyzar, Mellyzar; Nahadi, Nahadi; Rochintaniawati, Diana; Riandi, Riandi; Hernani, Hernani; Supriatna, Asep; Lee, Tien Tien
Journal of Environment and Sustainability Education Vol. 3 No. 3 (2025)
Publisher : Education and Development Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62672/joease.v3i3.100

Abstract

Global environmental challenges such as climate change, pollution, and ecosystem degradation require urgent responses, and education plays a strategic role in building environmental literacy. This study aimed to evaluate the readiness of higher education curricula in supporting sustainable learning in Environmental Chemistry courses and their alignment with the Sustainable Development Goals (SDGs). The research used a descriptive approach involving curriculum and lesson plan analysis, student surveys, and interviews with lecturers and program heads at a state university in Aceh Province, Indonesia. The findings show that while the curriculum includes relevant topics such as pollution and climate change, the integration of emerging issues and practical learning methods remains limited. Students demonstrated positive attitudes and awareness toward environmental sustainability, but their active involvement in practical actions was still low. Recommendations include the explicit integration of SDGs in course plans, diversification of teaching strategies through fieldwork and case studies, and fostering interdisciplinary collaboration. Overall, the study concludes that the curriculum provides a strong foundation but requires strategic improvements to enhance its relevance and impact. Aligning academic programs with global and local environmental challenges will enable higher education to prepare students as proactive agents of sustainable development.
EXPLORING LEARNING OBSTACLES OF SENIOR HIGH SCHOOL STUDENTS IN GREEN CHEMISTRY ON THE TOPIC OF BIODEGRADABLE PLASTIC Azizah, Naila; Supriatna, Asep; Hernani, Hernani
JURNAL EDUSCIENCE Vol 12, No 5 (2025): Jurnal Eduscience (JES), (Authors from Malaysia and Indonesia)
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jes.v12i5.7783

Abstract

Purpose – This research aims to identify the learning obstacles experienced by senior high school students in studying green chemistry.Methodology – This study used a qualitative descriptive design with a learning obstacle analysis approach. Data were collected through in-depth interviews with students at a senior high school in Indonesia. The interview guideline covered several themes, including student learning experiences, conceptual understanding, learning methods, and the obstacles that students faced in applying green chemistry to everyday life. The collected data was then analyzed and categorized to identify any obstacles encountered.Findings – The results indicate that students' primary obstacles are epistemological, including limited prior knowledge, a superficial understanding of Green Chemistry principles, and difficulties in applying these concepts to real-life contexts. Students rarely experience project-based learning and mainly rely on rote learning and repeated explanations from teachers, which do not fully resolve their conceptual gaps.Contribution – This study highlights the use of lesson design that provides more interactive and contextual learning, helping students connect chemistry learning in green chemistry with everyday practices. This research also provides insights for teachers in designing effective learning by anticipating students' learning obstacles, thereby supporting the realization of sustainable chemistry education.
Mapping the Landscape of Chemical Thinking Research: A Comprehensive Scopus Based Analysis Mellyzar, Mellyzar; Nahadi*, Nahadi; Hernani, Hernani; Supriatna, Asep; Lee, Tien Tien
Jurnal IPA & Pembelajaran IPA Vol 9, No 3 (2025): SEPTEMBER 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jipi.v9i3.46829

Abstract

Research on chemistry education has consistently centered on students' conceptual and procedural knowledge. However, there is a clear need to prioritize how learners apply chemical thinking to address complex real-world problems. This gap highlights the need to understand how students and teachers connect molecular-level reasoning with broader social, ethical, and environmental contexts. A systematic review is the clear solution to address this issue. It will map trends, gaps, and strategies that foster the development of chemical thinking. This study provides a comprehensive overview of chemical thinking research in chemistry education through bibliometric and thematic analysis. A total of 59 scopus-indexed articles published between 2012 and 2025 were analyzed using the bibliometrix package in R and the biblioshiny interface. The analysis focused on publication trends, thematic evolution, collaboration networks, and instructional strategies. The results are clear: most studies target secondary and undergraduate learners, emphasizing causal reasoning, structure, property relationships, and representational competence. However, there are significant gaps in research concerning preservice teachers, assessment practices, and contextual approaches such as project-based and socio-scientific learning. Future studies must integrate reasoning, modeling, and sustainability-oriented frameworks. Effective strategies include inquiry-based, reflective, and socially relevant approaches. These approaches promote conceptual understanding and ethical reasoning. They offer valuable guidance for curriculum innovation and teacher education in chemistry
Science Teacher Identity in Environmental Chemistry Education Using the STEM Approach: A Bibliometric Analysis of Scopus Journals (2015–2024) Widyaningsih, Mia; Hernani, Hernani; Mudzakir, Ahmad; Supriatna, Asep; Kamaludin, Agus; Ragadhita, Risti
Journal of Educational Sciences Vol. 9 No. 5 (2025): Journal of Educational Sciences
Publisher : FKIP - Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.9.5.p.4471-4495

Abstract

This study aims to investigate how Environmental Chemistry education contributes to shaping the science teacher identity of prospective chemistry teachers through a STEM approach. The bibliometric analysis method was conducted using Scopus data (2015–2024), analyzed with Biblioshiny and VOS Viewer. From an initial 483 documents, 418 relevant works comprising articles, books, and reviews were selected based on keywords such as "Science Identity", "Science Teacher Identity", "STEM Education Approach", and "Environmental Science Chemistry". Biblioshiny was used to identify trends over the decade, including annual publication rates, key journals, influential authors, productive affiliations and countries, globally cited articles, and frequently occurring keywords. VOS Viewer further enhanced the analysis by offering three types of visualizations network, overlay, and density to illustrate the relationships and research trends among the selected publications. These visual tools reveal the interconnectedness of topics and highlight emerging areas in the field. The findings offer valuable insights into the global development of research at the intersection of science identity, STEM education, and environmental chemistry. This bibliometric exploration provides a foundation for researchers to identify current trends, understand the research landscape, and recognize gaps that can inform future studies.
Dancing with Falsification: The Dynamic of Chemistry Atomistic Theories Across Centuries Fibonacci, Anita; Kadarohman, Asep; Nahadi, Nahadi; Anwar, Sjaepul; Hernani, Hernani
Journal of Educational Chemistry (JEC) Vol. 5 No. 2 (2023)
Publisher : Department of Chemistry Education, Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2023.5.2.19054

Abstract

This research aimed to explore the contribution of the falsification process to the progress of science in the field of atomic theory. The analysis focused on the history of atomic development and how this theory underwent a process of falsification. This research was qualitative research using a literature study with a narrative review method. The results showed that the development of a theory, including the theory of atoms, has undergone many improvements. Falsification is an essential aspect of scientific progress, especially in atomic theory, involving testing the theory through experimentation and observation to determine accuracy. In the development of atomic theory, falsification played a key role, as in Dalton's atomic theory. Although revolutionary, subsequent experiments revealed subatomic particles, resulting in the falsification of Dalton's ideas and the emergence of a more complex understanding of atomic structure. The evolution of atomic theory shows that scientific knowledge is dynamic, continuing to develop through falsification. New evidence continues to refine ideas, ensuring scientific knowledge accurately reflects the natural world. The scientific method emphasizes openness to falsification, stating that theories must be testable and can be replaced when significant evidence refutes the theory. This openness is the basis for scientific progress and a deeper understanding of the universe.
Analysis of Scientific Literacy of Senior High School Students in Relation to Global Warming as a Socio-Scientific Issue Hernani, Hernani; Depi, Siska Sintia; Hidayat, Lina Nurlina; Nurhadi, Atep Rian; Supriatna, Asep; Tias, Bachrul; Wafi, Wulanda
Journal of Educational Chemistry (JEC) Vol. 6 No. 2 (2024)
Publisher : Department of Chemistry Education, Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2024.6.2.21881

Abstract

The low scientific literacy skills of Indonesian students should be a serious concern for all science educators. Scientific literacy skills can be improved in contextual learning related to nature and social contexts that occur in the environment around students. This study aims to develop the science literacy of high school students through the application of Problem Based Learning model on the topic of global warming. This study used a quantitative approach with descriptive methods, with participants of 24 students in one of the high schools in Bandung City.  The research instrument used is a science literacy test question in the form of descriptions, which consists of 3 domains, namely context, content, and science competence, in addition, student handouts is also used to provide an overview of the PBL learning process containing the applied science literacy.  The result shows students performed Moderately in three PISA-based competencies including (i) explaining scientific phenomena, (ii) evaluating and designing scientific investigations, and (iii) analyzing evidence and data scientifically for decision-making and action.
Co-Authors A. Mudzakir A. Suhandi Abdul Latip, Abdul Abdullah, Norazilawati Abraham Mora Adek Diah Murti Adek Diah Murti Adi Aliyan Agus Kamaludin, Agus Agustini, Nurlaela Ahmad Aminudin Aldini Aulia Alfina Dzabillah Zahira Alfira Julian Pratiwi* Ali Kusrijadi Anak Agung Istri Sri Wiadnyani Anakotta, Raisa Anas Santria Andita Nur Sakinah Lili Budiarti Anggriawan, Robby Ani Karolina Anis Muyassaroh Anita Fadhilah Anita Fibonacci Anita Fibonacci, Anita Anna Permanasari Anwar, Sjaepul Asep Kadarohman Asep Kadarohman Asep Supriatna Asep Supriatna, Asep Asep Suryatna Aswati Asri, Aswati Atep Rian Nurhadi Aulia Rahim Aulia, Aldini Azizah, Naila Buchari Buchari Budiati, Andita Nur Sakinah Lili Budiman Anwar Cece Nurhidayat Cecep Jaenudin Depi, Siska Sintia Devi Pratiwi Sudrajat Devita Marlina Venessa Dewi Sanusi Noor Dewi Sulistyowati Dian Mustikasari Diana Rochintaniawati Diana Rochintaniawati Dieni, Wahyu Eka Fath Dwi Siti Hartinah Eny Ambarawati Eka Cahya Prima Eko Puji Rahayu Elah Nurlaelah Eneng Saidatus Syadiah Eri Ria Budiarty Evan Zerlinda Hanifah F Hidayat F. M. T. Supriyanti Fadhilah, Anita Fadilawati, Siti Fadillah, Rida Nurul Fahmi, Jam'an Fauzi, Billy Oktora Abdillah Fauziana Fauziana Fazarwati, Reza Febrian Andi Hidayat Febrizal Febrizal Fitri Khoerunnisa Fitri Khoirunnisa Fitria Nurdianti Galuh Yuliani Habiby, Iqbal Hanafi, Ainul Ahmadsyah Hartono, Rudi Haunan, Vito Winata Heli Siti Halimatul Hidayat, Lina Nurlina Ida ayu indira dwika Lestari Ida Kaniawati Ika Nur Fitriani Indah Sari Indah Sari Indra Tri Gunawan Iqbal Musthapa Irmawati Irmawati Iwan Muhamad Ramdan Izza Nabilatunnisa Kadarohman*, Asep Kaniawati*, Ida Lee, Tien Tien Liliasari , Mahmudah Mahmudah Marfuatun Marfuatun Marhami Marhami Mellyzar Mellyzar Mellyzar, Mellyzar Mochammad Imron Awalludin Monica Prima Sari Mr Amprasto Mr Sumar Hendayana Muhammad Bachri Amran Muhammad Nurul Hana Muminah, Qonita Murti*, Adek Diah Musa'adah, Siti Muslim Muslim Muyassaroh, Anis Nahadi Nahadi Nahadi Nahadi Nahadi*, Nahadi Nais, Miarti Khikmatun Nanang Winarno Nurhadi, Atep Rian Nurpratiwi, Febrianty Nursiwan, Wimbi Apriwanda Omay Sumarna P Siahaan P Sinaga Pangilinan, Greian April Park, Do-Yong Parlindungan Sinaga Permasari, Ninda Pratiwi, Alfira Julian Purba, Ester Yuliati Cristina Purwanti purwanti Ragadhita, Risti Ramadany, Lisa Dewi Razani, Ahmad Nafran Riandi Riandi Riandi Riandi Rini Solihat Rira Octa Ningsi* Risfaheri Risfaheri Roslan, Roslinawati Mohd S. Mulyanti Salsabila, Syifa Ayugea Santria, Anas Septiyanto, Arifin Sirry Alvina Siti Aisyah Siti Latifah Nata Siti Sriyati Soja Siti Fatimah Soja Siti Fatimah Solfarina Solfarina Solfarina, Solfarina Sri Agustina, Sri Sri Mulyani Sri Mulyani Sri Wahyuni Sri Wahyuni Suci Rizki NA Suharyadi S.Pd. Susilawati, Aay Sutrasman Sutrasman Suwandi, Tri Syam, Sri Rahmadani Syarifah Rita Zahara Syifa Ayugea Salsabila T. R. Ramalis TATANG HIDAYAT, TATANG Tatit K. Bunasor, Tatit K. Tias, Bachrul Tien Tien Lee Titen Pinasti Triannisa Rahmawati, Triannisa V A Tonjo Wafi, Wulanda Wahyu Eka Fath Dieni Wawan Setiawan Wawan Setiawan Wawan Setiawan Widyaningsih, Mia Wiji Adji Wiwi Siswaningsih Yaya Sonjaya Yeanchon Henry Dulanlebit Yeni Setyowati* Yulina, Indah Karina Yusmaita, Eka Zackiyah Zackiyah