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PENGEMBANGAN MEDIA LAPANGAN KARTESIUS BERBASIS PERMAINAN GOBAK SODOR PADA MATERI TITIK KOORDINAT UNTUK MENINGKATKAN HASIL BELAJAR SISWA KELAS VI SDN 107400 BANDAR KHALIPAH Halimatus Azizah Hutasuhut; Elvi Mailani; Zainuddin Muchtar; Syahrial; Natalia Silalahi
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 12 No. 02 (2026): Volume 12 No. 2, Juni 2026 Release
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v12i02.12533

Abstract

This study aims to determine the validity, practicality, and effectiveness of the Cartesian Plane learning media based on the Gobak Sodor game on the coordinate point material for sixth grade students of SDN 107400 Bandar Khalipah. This study uses the Research and Development (R&D) method with the ADDIE model, which includes the stages of Analysis, Design, Development, Implementation, and Evaluation. The validation results show an average percentage of 89%, categorized as very feasible. The practicality aspect obtained a score of 92%, which indicates that the media is easy to use by teachers and students and supports conducive learning. This media presents concrete and interactive visualizations of the concept of coordinate points through game activities, helping students understand the position of points on the Cartesian plane more meaningfully. The effectiveness test was carried out through pre-tests and post-tests, with the average score increasing from 38.25% to 81.85%. The N-Gain calculation result of 0.6643 is included in the fairly high category. Based on these results, the learning media is declared valid, practical, and effective in improving student learning outcomes. Thus, this media has the potential to be applied more widely and developed in other educational materials and levels.
Pengaruh Penggunaan Media Let’s Read terhadap Kemampuan Memahami Bacaan pada Siswa Kelas IV Mata Pelajaran Bahasa Indonesia Sabrina Abnoor Pasaribu; Nurmayani Nurmayani; Zainuddin Muchtar; Halimatussakdiah Halimatussakdiah; Fajar Sidik Siregar
Jurnal Keluarga Sehat Sejahtera Vol. 24 No. 1 (2026): JURNAL KELUARGA SEHAT SEJAHTERA (In-Press)
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/

Abstract

The purpose of this research is to determine the effect of using the Let’s Read media on reading comprehension skills among fourth-grade students in the Indonesian Language subject at SDN 101777 Saentis for the 2025/2026 academic year. This study uses a quantitative approach with a quasi-experimental design method, specifically a non-equivalent control group design. The population in this study consists of all fourth-grade students divided into two classes, namely class IV-A as the experimental class and class IV-B as the control class, each with 16 students, resulting in a total sample of 32 students. The research instrument used was a test in the form of essay questions consisting of 10 questions for the pre-test and 10 questions for the post-test. The results of the data analysis showed that the average post-test score of the experimental class was 85, higher than the control class at 68.75. Based on the t-test results, the calculated tvalue was 5.439 and the  ttable Value was 2.042 at a significance level (Sig.) of 0.05, thus H0 was rejected and Ha was accepted. Thus, it can be concluded that the use of the Let’s Read media has a significant effect on the reading comprehension ability of fourth-grade students in the Indonesian language subject, narrative text material, at SDN 101777 Saentis for the 2025/2026 academic year.
Development of Interactive Learning Media Based On Augmented Reality Technology With Discovery Learning Model On Hydrokarbon Materials Nur Fitri Fadhilah; Risa Dwi Widya; Nala Angriani Syalsabila Daulay; Miftahul Zannah; Khoirul Bariah; Risma Nurhasanah; Zainuddin Muchtar
Jurnal Pendidikan dan Pembelajaran Kimia Vol. 14 No. 1 (2025): Jurnal Pendidikan dan Pembelajaran Kimia
Publisher : Universitas Lampung

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

Abstract

Perkembangan teknologi yang semakin pesat membutuhkan sumber daya manusia dalam membangun masa depan suatu negeri. Peningkatan kualitas sumber daya manusia melalui jalur pendidikan adalah kunci untuk mampu mengikuti perkembangan revolusi industri 4.0. Dunia pendidikan memiliki tanggung jawab untuk menyiapkan generasi muda yang memiliki pengetahuan dan keterampilan tinggi. Penelitian ini bertujuan untuk mengembangkan media pembelajaran interaktif berbasis teknologi augmented reality dengan model pembelajaran discovery learning pada materi hidrokarbon. Penelitian ini menggunakan model penelitian pengembangan ADDIE. Populasi dalam penelitian ini adalah siswa kelas XI SMA Swasta Cerdas Murni dengan sampel penelitian yaitu siswa kelas XI Mipa 2 yang berjumlah 30 siswa. Hasil validasi media dan materi pada LKPD dengan validator ahli memperoleh rata rata persentase pada validasi media sebesar 92,5% yang dikegorikan sangat layak dan rata rata persentase validasi materi sebesar 93% dengan kategori sangat layak. Berdasarkan hasil penelitian, diperoleh juga hasil respon siswa yaitu pada tampilan memperoleh 86%, penyajian materi memperoleh 83%, penyajian media memperoleh 86%. Oleh karena itu, rata-rata penilaian siswa sebanyak 86% sehingga kriteria yang diperoleh secara keseluruhan menunjukkan bahwa LKPD yang dikembangkan masuk kedalam kategori sangat menarik.
Pengembangan Media Tanam Kokedama Pada Pembelajaran IPAS Di Kelas V Sekolah Dasar: Penelitian Etry Apriany Sihotang; Zainuddin Muchtar; Elvi Mailani; Fahrur Rozi; Imelda Free Unita Manurung
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 4 (2026): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 4 April - Juni
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i4.6231

Abstract

Penelitian ini bertujuan untuk mengetahui validasi kelayakan, praktikalitas dan efektivitas media pembelajaran diorama media tanam kokedama sabut kelapa pada mata Pelajaran IPAS materi Kerusakan Lingkungan di kelas V SD HKBP Pagar Jati. Jenis penelitian pengembangan yang digunakan adalah model ADDIE yang terdiri 5 tahap yaitu Analysis, design, development, implementation dan evaluation. Subjek penelitian ini sebanyak 21 siswa kelas V SD HKBP Pagar Jati. Teknik pengumpulan data yang digunakan dalam penelitian ini adalah observasi, wawancara serta tes dengan memakai analisis data kuantitatif dan kualitatif. Hasil penilaian validasi oleh ahli materi menunjukkan persentase sebesar 96% dengan kategori sangat layak, penilaian validasi ahli media menunjukkan persentase sebesar 92% dengan kategori sangat layak dan penilaian validasi ahli praktisi sebesar 90% dengan kategori sangat praktis. Efekktivitas media dilihat dari hasil belajar siswa melalui pre-test dan post-test yang dianalisis menggunakan perhitungan N-Gain Score dengan persentase sebesar 58,94 % dengan kategori Efektif. Dengan demikian, dapat disimpulkan bahwa media pembelajaran diorama media tanam kokedama sabut kelapa pada materi Kerusakan Lingkungan sangat layak, praktis dan efektif digunakan dalam kegiatan pembelajaran di kelas.
PENGEMBANGAN MEDIA PEMBELAJARAN INTERAKTIF BERBASIS WORDWALL PADA MATA PELAJARAN IPAS SISWA KELAS V SDN 107398 SEI ROTAN Dini Puspa Sari; Lidia Simanihuruk; Zainuddin Muchtar; Fahrur Rozi; Try Wahyu Purnomo
Jurnal Ilmiah Pendidikan Dasar (JIPDAS) Vol 6 No 1 (2026): Vol. 6 No. 1 Edisi Februari 2026
Publisher : Program Studi Pendidikan Guru Sekolah Dasar Fakultas Pendidikan Ilmu Pengetahuan Sosial dan Bahasa Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/jipdas.v6i1.3517

Abstract

Penelitian ini bertujuan untuk mengembangkan media pembelajaran interaktif berbasis wordwall Pada Materi Budaya Daerah di SD Negeri 107398 Sei Rotan. Penelitian dan pengembangan ini dilakukan dengan menggunakan ADDIE yang terdiri dari 5 tahapan diantaranya, Analysis, Design, Development, Implementation dan Evaluation. Subjek penelitian ini adalah validator ahli media, ahli materi dan praktisi Pendidikan yaitu guru serta 28 siswa kelas V SD Negeri 107398 Sei Rotan. Instrumen yang digunakan dalam pengumpulan data adalah instrumen wawancara, angket dan tes. Hasil penelitian menunjukkan bahwa media pembelajaran interaktif berbasis wordwall “Sangat Layak” untuk digunakan dalam proses pembelajaran dengan nilai skor kelayakan yang diberikan oleh validator ahli media dengan 93%   termasuk kategori “Sangat Layak”. Skor nilai kelayakan oleh validator ahli materi 97% dengan kategori “Sangat Layak”. Uji Praktikalitas yang dilakukan oleh praktisi Pendidikan memproleh hasil skor nilai kepraktisan dengan persentase sebesar 98% berkategori “Sangat praktis”. Keefektifan media wordwall dari hasil pre-test dan post-test peserta didik berdasarkan hasil analisis N-Gain memperoleh skor rata-rata N-Gain % sebesar 80,20 dengan kategori “Efektif”. Berdasarkan hasil penelitian tersebut dinyatakan bahwa pengembangan media pembelajaran interaktif berbasis wordwall pada mata Pelajaran IPAS Sangat Layak, Sangat Praktis dan Efektif digunakan oleh peserta didik dalam proses pembelajaran.
PENGEMBANGAN MEDIA PEMBELAJARAN IPA MENGGUNAKAN COCOPOT DARI LIMBAH SABUT KELAPA PADA MATERI PERTUMBUHAN TANAMAN DI KELAS IV SDN 101777 SAENTIS Juhaira Amsar Hrp; Zainuddin Muchtar; Fahrur Rozi; Suyit Ratno; Syahrial
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 12 No. 02 (2026): Volume 12 No. 2, Juni 2026 Publish
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v12i02.13610

Abstract

This study aims to develop science learning media in the form of cocopot derived from coconut fiber waste on plant growth material in grade IV of elementary school and to determine the level of validity, practicality, and effectiveness. This study uses a 4D development model (Define, Design, Development, Disseminate). The subjects of the study were 15 grade IV students of SDN 101777 Saentis. Data collection techniques were interviews, observations, questionnaires and tests. Data analysis techniques were carried out using qualitative and quantitative analysis. The results of the study showed that (1) the cocopot learning media was declared valid with the validation results of material experts of 85% and media experts of 96% with the criteria of "very feasible"; (2) the cocopot learning media was declared practical based on teacher responses with a percentage of 92% included in the criteria of "very practical"; and (3) the cocopot learning media was declared effective, indicated by the increase in student learning outcomes, where the average pre-test score of 53.3% increased to 87.6% in the post-test. Furthermore, during the dissemination phase, there was an increase from 47.3% to 86.7%, with an N-Gain value of 0.757, or 75.7%, which is considered high. Thus, the cocopot learning media made from coconut fiber waste has proven valid, practical, and effective for use in science teaching on plant growth in elementary schools and significantly improves student learning outcomes
PENGARUH MEDIA VIDEO ANIMASI CERITA RAKYAT DIGITAL TERHADAP KEMAMPUAN MEMBACA PEMAHAMAN SISWA KELAS IV SDN 101764 BANDAR KLIPPA Josep Nainggolan; Zainuddin Muchtar; Eva Betty Simanjuntak; Masta Marselina Sembiring; Irsan Rangkuti
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 12 No. 03 (2026): Volume 12 No. 03, September 2026 Published
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v12i03.16412

Abstract

Currently, students' reading comprehension skills are still relatively low. This study aims to determine the effect of digital folklore animated video media on the reading comprehension skills of class IV students at SD Negeri 101764 Bandar Klippa. This type of research was quantitative research. The research method used was a quasi-experimental design with a nonequivalent control group design using a pretest and posttest. The population used consisted of class IV students at SD Negeri 101764 Bandar Klippa, totaling 69 students. The sample was selected using purposive sampling technique, consisting of 24 students in class IV-A and 25 students in class IV-C. Data collection techniques used were tests, observation, and documentation. The research instrument in the form of a multiple-choice test was tested for validity and reliability prior to use. The data were analyzed using the normality test (Shapiro-Wilk), homogeneity test (Levene), hypothesis testing (independent sample t-test), and N-gain test. The posttest average score of the experimental class was higher (78.29) compared to the control class average (67.99). Based on the data obtained from the hypothesis test, the t_count > t_table value was 2.418 > 2.011, thus H₀ was rejected and H_a was accepted. Then also the n-gain value in the control class was obtained at 27.22% with a low category with an interpretation of less effective, while in the experimental class the n-gain value was obtained at 56.02% in the medium category with an interpretation of quite effective. It can be concluded that there is a significant influence of the use of digital folklore animation video media on the reading comprehension ability of fourth grade students of SDN 101764 Bandar Klippa.
PENGEMBANGAN MEDIA PEMBELAJARAN IPA MENGGUNAKAN COCO DIORAMA BERBASIS LIMBAH SABUT KELAPA PADA MATERI SIKLUS AIR DI KELAS V SDN 060800 MEDAN AREA Refi Yulina; Zainuddin Muchtar; Winara; Laurensia Masri; Lidia Simanihuruk
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 12 No. 3 (2026): Volume 12 No. 3, September 2026 Release
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v12i3.18119

Abstract

This study aims to develop a science learning media in the form of coco diorama that utilizes coconut fiber waste in the water cycle material for fifth grade elementary school students, and to determine the level of validity, practicality, and effectiveness of the media. This study applies the 4D development model (Define, Design, Development, Disseminate). The subjects in this study were 21 fifth grade students of SDN 060800 Medan Area. Data collection techniques were carried out through interviews, observations, questionnaires, and tests. The data analysis used qualitative and quantitative approaches. The results of the study showed that: (1) the coco diorama learning media was considered valid based on the validation results of material experts by 94% and media experts by 89% with the category "very feasible"; (2) the coco diorama learning media was declared practical based on teacher responses with a percentage of 92% in the category "very practical"; and (3) the coco diorama learning media was proven effective in improving student learning outcomes. This can be seen from the average pre-test score of 46.9% which increased to 88.3% in the post-test. In addition, at the dissemination stage there was also an increase in learning outcomes from 47.0% to 87.0% with an N-Gain value of 0.764 or 76.4% which is included in the high category. Thus, the coco diorama learning media based on coconut fiber waste is proven to be valid, practical, and effective for use in science learning on the water cycle material in elementary schools, and is able to significantly improve student learning outcomes outcomes
PENGEMBANGAN ALAT PERAGA SIKLUS MAKHLUK HIDUP PADA PEMBELAJARAN IPAS KELAS III SEKOLAH DASAR Suci Ramadhani Batubara; Zainuddin Muchtar
Jurnal Merah Putih Sekolah Dasar Vol. 2 No. 4 (2025): MARCH 2025
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jmpsd.v2i4.72327

Abstract

The purpose of this study was to design and evaluate the feasibility, usability, and effectiveness of the SIKMAHI (Life Cycle of Living Things) learning media as a tool for teaching IPAS to third-grade elementary school students. The background of this study stems from the low level of students’ interest and learning outcomes related to the topic of life cycles, which is caused by monotonous teaching methods and the limited use of concrete learning media. This research employed a Research and Development (R&D) approach using the ADDIE model (Analysis, Design, Development, Implementation, and Evaluation). The research subjects consisted of 18 third-grade students at SDN 060857 Durung. Data were collected through observation, interviews, documentation, questionnaires, and tests (pretest and posttest). Validation results from subject matter experts, media experts, and teachers indicated that the SIKMAHI media is highly feasible for use. Usability testing showed that teachers found the media easy and engaging to apply in the learning process. Furthermore, the pretest and posttest results demonstrated a significant improvement in students’ learning outcomes. In conclusion, the SIKMAHI learning media is effective for use in IPAS learning, particularly for the topic of life cycles of living things. This media is able to enhance students’ understanding, increase learning interest, and encourage active participation in the teaching and learning process.
Study Of The Reaction Mechanisms Of Epoxidation And Degradation Of Natural Rubber Through Two Reaction Pathways Based On Ftir Analysis M. Rosyadi Izzuddin Nur; Eddiyanto; Zainuddin Muchtar
Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam Vol. 15 No. 1 (2026): Volume 15 Nomor 1 (Maret 2026)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/5hbf7515

Abstract

Natural rubber (NR), an unsaturated cis-1,4-polyisoprene polymer, exhibits limited resistance to oils, ozone, and thermal degradation, necessitating chemical modification to enhance its performance. This study evaluates two synthetic routes for producing liquid epoxidized natural rubber: epoxidation followed by oxidative degradation (NR → ENR → LENR) and degradation followed by epoxidation (NR → LNR → ELNR). Epoxidation was carried out using in situ peroxyacetic acid generated from acetic acid and hydrogen peroxide, while periodic acid in tetrahydrofuran was employed for oxidative chain scission. Structural evolution was characterized using Fourier Transform Infrared Spectroscopy (FTIR). Key transformations include attenuation of the C=C stretching band near 1660 cm⁻¹, the appearance of oxirane absorptions at 1240–1250 and 870–890 cm⁻¹, and the development of carbonyl (1717–1735 cm⁻¹) and hydroxyl (3275–3435 cm⁻¹) groups. The ENR → LENR pathway showed substantial epoxide loss and stronger oxygenated signatures, indicating extensive oxirane ring-opening during degradation. Conversely, the LNR → ELNR pathway yielded clearer and more intense oxirane bands with moderate oxidation, demonstrating that epoxide formation is more effective on low-molecular-weight chains generated prior to epoxidation. These findings confirm that reaction order critically governs epoxide retention, oxidative product distribution, and final polymer polarity. ELNR is thus suitable for applications requiring high epoxide content and reactivity, whereas LENR is more advantageous for systems requiring higher polarity and a broader range of oxygenated functional groups.
Co-Authors AA Sudharmawan, AA Adinda Riana Hermawan Agus Junaidi Agustin, Angelica Ajat Sudrajat Albinus Silalahi Albinus Silalahi Albinus Silalahi Ani Sutiani Ani Sutiani Anisa Adliyah Gultom Annisa Fitri, Annisa Arta Elsa Ambarita Atikah Aulia Purba Audina, Akhirunnisa Ayi Darmana Ayi Darmana, Ayi Bambang Enra Priando Purba Bangun, Kurnia Wati Br Bastoni Hassasi Cahyati, Riska Catur Kurniawan Chairul Omar Muchtar Damanik, Marini Deliana, Rini Dini Puspa Sari Eddiyanto Egya, Juwita Marine Elisabet Rosmadelila Gultom Elsa Febrina Tarigan ELVI MAILANI Etry Apriany Sihotang Eva Betty Simanjuntak Fahlevi, Najla Rizani Fahrur Rozi Fajar Sidik Siregar Faradilla, Putri Fatayatul Hasniyah Fatayatul Hasniyah Fatma Harian Dini Fauziyah Harahap fina, Al Firdaus, Lucky Marcelino Frandika Arif Chaniago Freddy Tua Musa Panggabean Gelis Juliandini Ginting, Rehia Angelica Gracella Evangeline Sarumaha Gultom, Elisabet Rosmadelila Hafni Indriati Nasution Halimatus Azizah Hutasuhut Halimatussakdiah Halimatussakdiah Harahap, Nazwa Malika Harian Dini, Fatma Hasibuan, Nurul Fadillah Hidayah, Putri Husuwatul Masyithah Ida Duma Riris Imelda Free Unita Manurung Intan Juwita, Intan Irsan Rangkuti Jamalum Purba Jasmidi Jasmidi Jasmidi Jasmidi Josep Nainggolan Juhaira Amsar Hrp Julia Sintya Sitorus Junifa Layla Sihombing Khairunisa, Dira Khoirul Bariah Kiky Rizky Amalia Koimah, Nur Laurensia Masri Lidia Simanihuruk Lidia Simanihuruk Lumbangaol, Hermawan M. Rosyadi Izzuddin Nur Maharani , Vira Mahmud Mahmud Mahmud Mahmud Manihar Situmorang Marini Damanik Marudut Sinaga Marudut Sinaga Melly Br Bangun Mhd. Fadhillah Miftahul Zannah Moondra Zubir Moondra Zubir Moondra Zubir Mouces Ferdinan Siagian Muchtar, Chairul Omar Muhammad Luthfi muhammad rizki harahap Muhammad Yusuf Mutiara Agustina Nst Nadya Ulfa Nala Angriani Syalsabila Daulay Natalia Silalahi Nazwa Malika Harahap Ndona, Margaretha Djanius Nst, Sahara Ramadan Nur Fitri Fadhilah Nur Koimah Nur Winda Adha Nurfajriaini, Nurfajriaini Nurfajriani Nurfajriani Nurfajriani Nurfajriani Nurfajriani Nurmayani Nurmayani Nurul Azmi, Nurul Pakpahan, Fanny Grisella Pane, Agil Makarim Panggabean, Freddy T. M. Panjaitan, Teguh Hidayat Pardede, Puspa Olivia Puji Prastowo Pulungan, Ahmad Shafwan Purba, Atikah Aulia Purba, Friska Juliana Purba, Yenni Sofia Putra, Adhitya Shahrian Putri Faradilla Putri Hidayah Putri, Andira Ramadhoni, Yudi Ramlan Silaban Ratno, Suyit Ratu Evina Dibyantini Rayhan Alfaridzi, Muh Refi Yulina Rehia Angelica Ginting Rini Selly Rini Selly Rini Selly Rini Selly, Rini Risa Dwi Widya Risma Nurhasanah RIZKI Harahap RIZKY ANDINI, RIZKY Rizky Emiliya, Rizky Sabrina Abnoor Pasaribu Said Idrus Salsabila Hirza Sari, Dwy Puspita Sari, Maya Novita SEMBIRING, MASTA MARSELINA Siagian, Mouces Ferdinan Silitonga, Aida Natalia Silitonga, Yosi Santika Siregar, Tanti Armalia Sitepu, Amelia Br Siti Rahmah Siti Rahmah siti rahmah Siti Rahmah Sitorus, Julia Sintya Situmorang, Yani Kartini Sri Adelia Sari Sri Adelila Sari* Sri Wartika Suci Ramadhani Batubara Susilawati Amdayani Sutiani, Ani Syahirah, Atikah Nur Syahrial Syahrial Syahrial Trikopal, Iqbal Try Wahyu Purnomo Wesly Hutabarat Winara Winara Wulandari, Indah Putri Yani Kartini Situmorang Yohan Aji Pratama Yosi Santika Silitonga Yudid Jonathan Zainal Arifin Zakiah Zakiah Zalukhu, Fandel Affection Christensen Zubir, Moondra