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All Journal Jurnal Tadris Kimiya Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Pendidikan Kimia (JPKim) JPPIPA (Jurnal Penelitian Pendidikan IPA) Jurnal Abdi Insani Edukimia Jurnal Pengabdian Kepada Masyarakat (JPKM) Tabikpun Jurnal Pengabdian Masyarakat STKIP AL MAKSUM LANGKAT Seminar Nasional Peningkatan Mutu Pendidikan Jurnal Pengabdian kepada Masyarakat Jurnal Abdi Masyarakat Indonesia JGK (Jurnal Guru Kita) UNESA Journal of Chemical Education JS (Jurnal Sekolah) Jurnal Abdimas Ilmiah Citra Bakti Jurnal Pendidikan dan Pembelajaran Kimia (JPPK)
Sari, Dwy Puspita
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Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Development of Interactive Google Sites-Based Learning Media to Improve Senior High School Students’ Understanding of Stoichiometry Mutiara Agustina Nst.; Rabiah Afifah Daulay; Dwy Puspita Sari; Mutia Ardila
Jurnal Pendidikan dan Pembelajaran Kimia Vol. 15 No. 1 (2026): Jurnal Pendidikan dan Pembelajaran Kimia
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Chemistry is one of the fields of science with abstract concepts and unique vocabulary. That is why chemistry is considered as one of the subject matter that is considered difficult. Stoichiometry is one of the chemistry materials that is considered difficult due to its abstractness. This study aimed to develop and validate an interactive web-based learning media using Google Sites to enhance students’ understanding of stoichiometry. The research employed a Research and Development (R&D) method, including needs analysis, design, development, and validation stages. Data were collected in qualitative and quantitative forms, with quantitative data obtained through validation questionnaires using a 5-point Likert scale. The validation involved two expert validators, consisting of media and material experts. The results showed a validity score of 89% from media experts and 90% from material experts, with an overall average of 90%, categorized as highly feasible. The developed media includes interactive features such as virtual laboratories, learning videos, and 20 online quiz questions. These findings indicate that the Google Sites-based learning media is valid and suitable for supporting chemistry learning, particularly in improving students’ engagement and understanding of stoichiometry.
VALIDITY AND PRACTICALITY OF STEM-PBL BASED THERMOCHEMISTRY TEACHING MATERIALS FOR CHEMISTRY EDUCATION STUDENTS Dwy Puspita Sari; Mutiara Agustina Nst; Dewi Syafriani; Alfira Julian Pratiwi
JPPIPA (Jurnal Penelitian Pendidikan IPA) Vol. 11 No. 1 (2026): June 2026
Publisher : Universitas Negeri Surabaya in collaboration with Perkumpulan Pendidik IPA Indonesia (PPII)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jppipa.v11n1.p79-85

Abstract

This study aimed to develop STEM-PBL-based thermochemistry teaching materials and examine their validity and practicality for use in chemistry education. This research employed a Research and Development (R&D) approach using the ADDIE model, limited to the Analysis, Design, and Development stages. Following product development, expert validation and a limited practicality assessment were conducted. The research subjects consisted of three expert validators and 30 students from the Chemistry Education Study Program. The instruments used were validity and practicality questionnaires employing a four-point Likert scale. Validity data were analyzed using average validation scores, while practicality data were analyzed using the percentage of student responses. The results showed that the developed teaching materials obtained an average validity percentage of 93%, categorized as highly valid. The practicality assessment yielded a percentage score of 92%, categorized as highly practical. Students responded positively to the developed teaching materials, indicating that they were easy to use, attractive, and beneficial for supporting thermochemistry learning activities. The practicality assessment was limited to student responses and did not evaluate learning effectiveness. Therefore, the STEM-PBL-based thermochemistry teaching materials are considered highly valid and highly practical for use in chemistry education.
STEM-PBL Instructional Materials to Support Quality Education through Chemical Literacy in Thermochemistry Dwy Puspita Sari; Mutiara Agustina Nst; Ani Sutiani; Ratu Evina Dibyantini; Alfira Julian Pratiwi
Jurnal Penelitian Pendidikan IPA Vol 12 No 6 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i6.15152

Abstract

The purpose of this study was to evaluate the effectiveness of STEM-Problem Based Learning (STEM-PBL) instructional materials in improving students’ chemical literacy on thermochemistry topics. This study employed a quasi-experimental method using a pretest-posttest control group design. The participants were 56 Chemistry Education students divided into an experimental class and a control class, each consisting of 28 students. Data were collected using a validated and reliable essay test (Cronbach’s α = 0.85). The results showed that the experimental class improved from 36.11 to 88.50, while the control class improved from 31.50 to 78.43. An independent samples t-test revealed a significant difference between the two groups (p < 0.05). In addition, the effect size analysis yielded a Cohen’s d value of 1.16, indicating a large effect. These findings suggest that STEM-PBL instructional materials effectively improve students’ chemical literacy, particularly in conceptual understanding, critical thinking, and problem-solving related to thermochemistry. In conclusion, STEM-PBL instructional materials are effective and feasible for enhancing chemical literacy and supporting quality, contextual, and 21st-century-oriented chemistry learning at the university level.
Co-Authors Agnes Irene Silitonga Ahmad Nasir Pulungan Alfira Julian Pratiwi Ani Sutiani Anis Syafitri Ardila, Mutia Ayi Darmana, Ayi Br Rambe, Imelda Wardani Dalimunthe, Makharany Dewi Syafriani Dewi Syafriani, Dewi Dini Puji Anggraini Faradilla, Putri Hafni Indriati Nasution Haniyyah, Ummu Haqqi Annazili Nasution Ida Duma Riris Intan Permata Putri Intan Permata Putri Irwanto Jasmidi Jasmidi Julia Mardhiyah Junifa Layla Sihombing Karimah, Fithriyyah Lastama Sinaga Marini Damanik Mhd Fahmi Moondra Zubir Mutia Ardila Mutia Ardila Mutiara Agustina Nst Mutiara Agustina Nst. Mutiara Agutina Nasution Nasution, Hafni Indriati Nasution, Haqqi Annazili Nasution, Irma Yuliani Nasution, Mhd. Sholeh Kurniawan Nasution, Mutiara Agutina Nia Veronika Nst., Mutiara Agustina Nugroho, Arfito Nurul Hidayah Perdana Simanjuntak, Yanthy Leonita Pratiwi, Alfira Julian Putri Faradilla Rabiah Afifah Daulay Ratu Evina Dibyantini Rini Selly Salmah Naelofaria Samosir, Rafidah Almira Sanimah Sianturi, Yonaria Agustina Simson Tarigan Sinaga, Lastama Siregar, Muhammad Isa Siti Rahmah Sri Adelia Sari Sugiharti, Gulmah Susilawati Amdayani Sutiani, Ani Syuhada, Feri Andi Widya Arwita Yanthy Leonita Perdana Simanjuntak Zainuddin Muchtar Zuhairiah Nasution, Zuhairiah