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All Journal Jurnal Pendidikan Fisika Undiksha Prosiding Seminar Nasional MIPA Wahana Matematika dan Sains Jurnal Sains dan Teknologi Jurnal Penelitian Pendidikan IPA (JPPIPA) International Journal of Community Service Learning Indonesian Physical Review Bioscientist : Jurnal Ilmiah Biologi Pillar of Physics Education : Jurnal Berkala Ilmiah Pendidikan Fisika Jurnal Citra Pendidikan NUSRA: Jurnal Penelitian dan Ilmu Pendidikan Jurnal Citra Pendidikan Anak Eduvest - Journal of Universal Studies Journal International Journal of Teaching and Learning (INJOTEL) GEMBIRA (Pengabdian Kepada Masyarakat) SAINTEK Jurnal Citra Pendidikan Variable Research Journal
Putu Artawan
Universitas Pendidikan Ganesha
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FABRIKASI DAN KARAKTERISASI ANTENA PATCH MICROSTRIP ARRAY 4X4 UNTUK APLIKASI WI-FI PADA FREKUENSI 2.4 GHz Artawan, Putu
JST (Jurnal Sains dan Teknologi) Vol. 1 No. 2 (2012)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (783.082 KB) | DOI: 10.23887/jstundiksha.v1i2.6039

Abstract

Fabrikasi dan karakterisasi antena patch dengan microstrip array 4x4 telah dilakukan untuk aplikasi wi-fi pada frekuensi 2,4 GHz. Desain fabrikasinya dirancang sesuai persamaan yang ada yang kemudian difabrikasi dengan metode UV Photoresist laminate. Antena yang sudah difabrikasi selanjutnya dilakukan pengukuran dengan Network Analyzer untuk mengetahui frekuensi kerja antena yang kemudian dilanjutkan dengan pengukuran pola radiasi untuk mendapatkan nilai penguatan dan nilai HPBW. Data hasil pengukuran dianalisis dengan persamaan yang sesuai dengan karakteristik antena dan haruslah memenuhi spesifikasi yang dibutuhkan seperti frekuensi kerja, SWR, VSWR, koofesien refleksi yang kompatibel dan return loss yang kecil serta peguatan yang besar. Selanjutnya data hasil pengukuran dibandingkan dengan data hasil perhitungan untuk mengetahui besarnya kesalahan (error). Hasil karakterisasi antena patch dengan microstrip array 4x4 diperoleh frekuensi kerja (bandwidth) 2,21 – 2,43GHz, VSWR 1,26, SWR 2,01, return loss -18.42dB, koofesien refleksi 0,12 dengan penguatan (gain) untuk pola radiasi vertikal 17dB dan untuk pola radiasi horisontal 18dB. Nilai HPBW 320 untuk pola radiasi vertikal dan 370 untuk pola radiasi horisontal. Kesalahan total (total error) sebesar 11,24 %.
SYNTHESIS AND CHARACTERIZATION OF ACTIVATED CARBON PREPARED FROM RICE HUSK BY PHYSICS-CHEMICAL ACTIVATION Suyoga Wiguna, Anak Agung Gde; Mardana, Ida Bagus Putu; Artawan, Putu
Indonesian Physical Review Vol. 7 No. 2 (2024)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v7i2.311

Abstract

Activated carbon is an amorphous carbon material predominantly composed of free carbon atoms with high adsorption capacity. The amorphous structure in activated carbon affects its adsorption capacity; the higher the percentage of amorphous carbon, the greater the adsorption capacity of the activated carbon. Activated carbon can be obtained from rice husk waste containing 30-40% C in cellulose, hemicellulose, and lignin. Therefore, this study was conducted to observe activated carbon's phases, morphology, elemental composition, and particle size. Activated carbon was synthesized using a physics-chemical activation method, which began with washing the rice husk samples, followed by air drying, carbonizing into charcoal, and grinding it finely. The rice husk charcoal powder was then physically activated at a temperature of 500℃. The physically activated product was then chemically activated using 6M HCl with a charcoal-to-activator ratio of 1:10 (m/V), stirred at 250 rpm for 1 hour, and then allowed to settle for 24 hours. It was then washed and dried to produce activated carbon powder. XRD test results showed diffraction peaks at 2θ = 22.23° without sharp or pointed peaks, indicating that the activated carbon has an amorphous structure. SEM test results showed the morphology of rice husk-activated carbon with spherical particle shapes and a particle size distribution of 20-70 nm. EDX test results showed that the rice husk activated carbon is predominantly composed of C, O, and Si with respective percentages of 54.31%, 40.04%, and 2.49%.  
PROFIL MISKONSEPSI SISWA PADA MATERI SUHU DAN KALOR Yuliana, Ina; Artawan, Putu; Heny, Ajeng Purnama
NUSRA : Jurnal Penelitian dan Ilmu Pendidikan Vol. 4 No. 4 (2023): NUSRA: Jurnal Penelitian dan Ilmu Pendidikan, November 2023
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/nusra.v4i4.1763

Abstract

Misconception is a mismatch between the concept that a person believes and the scientific concept according to experts. The occurrence of misconceptions can affect one's knowledge of the next concept. This study aims to describe the profile of students ' misconceptions and find out the difficulties experienced by students on the material heat and temperature. This survey research was conducted on class X MA students totaling 24 students. Data were obtained through a web-based four tier diagnostic test consisting of 10 questions. Students' answers were categorized into 3 categories, namely understanding the concept, misconceptions, and not understanding the concept. The results showed that students had misconceptions with an average percentage of 41%. Students have the most misconceptions in the sub-material of the effect of heat on temperature changes with a percentage of 66%. Based on the results of the interviews, it was found that the average student had difficulty in several sub-materials, namely the concepts of specific heat, temperature, expansion, and the effect of heat on changes in temperature and phase. This research needs to be followed up to overcome students' misconceptions on heat and temperature.
Validity of Sinergi Learning Model (Science Process Skills Integration with Local Wisdom and Technology) Fitriani, Herdiyana; Tika, I Nyoman; Artawan, Putu; Arnyana, Ida Bagus Putu; Adnyana, Putu Budi; Citrawathi, Desak Made
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 2 (2025): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i2.14343

Abstract

This study aims to validate the SINERGI (Science Process Skills Integration with Local Wisdom and Technology) learning model, which is designed to improve students' Science Process Skills (SPS) through the integration of local wisdom and technology. Validation was carried out by involving five education experts to assess the validity of the content and construct of the model. Content validity covers six main aspects, namely supporting theory, syntax, social system, reaction principle, support system, and model implementation, while construct validity covers seven aspects, including components of the learning model. The validation results show that the SINERGI learning model has a high level of validity with most indicators in the very valid category and reliability above 85% based on the Percentage of the Agreement method. This finding confirms that the SINERGI learning model is feasible to be applied in 21st-century science learning, although minor improvements are needed in the reaction principle aspect.
Bahasa Indonesia Bahasa Indonesia Artawan, Putu
Jurnal Penelitian Pendidikan IPA Vol 9 No 6 (2023): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i6.3801

Abstract

This research aimed at describing the difference of the students learning achievement between-group investigation learning model and conventional learning model, describing the difference of the student’s learning achievement between mastery goal orientation and performance goal orientation, describing the interaction effect of learning model and goal orientations on learning achievement. The population of this research was VIII grade of Junior high school students. The population member consisted of 296 students. The sample was chosen for 4 classes by group random sampling. The research used a quasi-experimental with pretest-posttest nonequivalent control group design. The data were collected by two kinds of tests; they are questionnaires for goal orientations and objective tests for learning achievement. Learning achievement data were analyzed by descriptive statistics and ANCOVA 2 × 2 where the pretest scores were as a covariant. Further action after ANCOVA, the least significant difference (LSD) was used. Results of this research showed that: there was a significant difference of the students learning achievement between-group investigation learning model and conventional learning model (F = 135.568; p < 0.05); there was a significant difference of the students learning achievement between mastery goal orientation and performance goal orientation (F = 23.522; p < 0.05); there was no significant interactive effect between learning model and goal orientations on learning achievement (F = 0.118; p > 0.05).
TRANSFORMATION OF ELEMENTARY EDUCATION MANAGEMENT: TOWARD ENHANCED LEARNING QUALITY AND STUDENT ACHIEVEMENT Putu Artawan
International Journal of Teaching and Learning Vol. 2 No. 1 (2024): JANUARY
Publisher : Adisam Publisher

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

Abstract

In response to the dynamic landscape of the 21st century, elementary education management is undergoing a transformative journey focused on enhancing learning quality and elevating student achievement. This paper delves into a comprehensive exploration of strategies designed to meet the evolving demands of education in the digital age. The integration of cutting-edge educational technology, the development of a skills-based curriculum, the continuous enhancement of teacher competency, and the implementation of robust student support programs collectively shape the trajectory of this transformation. This transformative journey is intricately woven into the fabric of addressing the challenges posed by rapid technological growth and the shifting landscape of global demands. Emphasizing the need for a dynamic learning environment, the discussion navigates through the nuances of project-based learning methodologies and the integral role of parental involvement. The resultant framework is not merely an adaptation to change but a proactive and strategic approach to equip students with the skills, competencies, and adaptability required for success in the 21st century. By investing in these transformative initiatives, the educational landscape transcends traditional boundaries. It prepares students for the intricacies of the digital age and instills a profound love for learning that extends far beyond the confines of the classroom. This abstract encapsulates the essence of a holistic and forward-thinking approach to elementary education management, outlining a path that aligns with the broader goals of educational excellence and societal progress.
PENGEMBANGAN E-MODUL FISIKA BERBANTUAN PROBLEM BASED LEARNING UNTUK MENINGKATKAN PRESTASI BELAJAR PESERTA DIDIK Waruwu, Wenimanwati; Artawan, Putu; Suswandi, Iwan
Jurnal Citra Pendidikan Vol. 4 No. 3 (2024): Jurnal Citra Pendidikan
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat STKIP Citra Bakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38048/jcp.v4i3.3778

Abstract

Penelitian ini bertujuan untuk: (1) Mendeskripsikan dan menjelaskan validitas e-modul fisika berbantuan problem based learning yang dikembangkan; (2) Mendeskripsikan dan menjelaskan kepraktisan e-modul fisika berbantuan problem based learning yang dikembangkan; (3) Mendeskripsikan dan menjelaskan efektivitas e-modul fisika berbantuan problem based learning yang dikembangkan. Jenis penelitian ini adalah penelitian pengembangan dengan menggunakan metode pengembangan ADDIE (Analysis, Design, Development, Implementation, Evaluation). Desain uji lapangan menggunakan one group pretest-posttest design tanpa kelompok kontrol dengan melibatkan 40 peserta didik. Metode pengumpulan data yang digunakan adalah metode wawancara, metode analisis dokumen, angket, dan metode tes. Data dianalisis dengan analisis deskriptif dan uji wilcoxon. Hasil penelitian menunjukkan bahwa: (1) Hasil validasi isi diperoleh rata-rata skor 4,3 dengan kategori sangat valid. Hasil validasi validasi bahasa diperoleh rata-rata skor 4,4 dengan kategori sangat valid. Hasil validasi media diperoleh rata-rata skor 4,7 dengan kategori sangat valid; (2) Hasil kepraktisan oleh guru diperoleh rata-rata skor 4,5 dengan kategori sangat praktis. Hasil kepraktisan oleh peserta didik diperoleh rata-rata skor 4,2 dengan kategori praktis; (3) Efektivitas produk ditunjukkan dengan hasil uji wilcoxon pada pre-test dan post-test mendapatkan Asymp. Sig. (2-tailed) < (0,05), e-modul fisika berbantuan problem based learning efektif untuk meningkatkan prestasi belajar peserta didik. Tingkat efektivitas produk menggunakan uji N-Gain diperoleh rata-rata skor 0,8 menunjukkan terjadinya peningkatan prestasi belajar peserta didik dengan kategori tinggi. Berdasarkan hasil uji validitas, kepraktisan, dan efektivitas, maka e-modul fisika berbantuan problem based learning yang dikembangkan valid, praktis, dan efektif untuk meningkatkan prestasi belajar peserta didik.
RANCANGAN DETEKTOR GEMPA BERPOTENSI TSUNAMI DENGAN SISTEM MAGNETIC ALTITUDE BERBASIS WIRELESS SENSOR NETWORK (ANALISA TERHADAP TINGGI RENDAH GELOMBANG LAUT) DI PESISIR PANTAI KABUPATEN BULELENG Artawan, Putu; Suswandi, Iwan; Rachmawati, Dewi Oktova
VARIABLE RESEARCH JOURNAL Vol. 3 No. 01 (2026): JANUARI 2026
Publisher : Media Inovasi Pendidikan dan Publikasi

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

Abstract

Deteksi dini terhadap bahaya bencana alam gempa bumi sangatlah penting diupayakan. Salah satu efek gempa bumi yang terjadi di sekitar pesisir pantai adalah Tsunami. Tujuan penelitian ini adalah mendeskripsikan rancangan prototype detektor gempa berpotensi Tsunami dengan sistem Magnetic Altitude berbasis WSN, menganalisis hasil pembacaan sensor Magnetic Altitude dan sensor tinggi gelombang laut serta korelasi keduanya sebagai indikator peringatan tsunami, menguji kinerja sistem WSN dalam hal jangkauan dan keandalan transmisi data di lingkungan pesisir Buleleng. Penelitian ini adalah jenis penelitian eksperimen, yang dilakukan di pesisir Kabupaten Buleleng pada tahun 2025. Hasil pembacaan gempa bumi dari detektor dengan sistem sensor yang dirancang, menggunakan jaringan sensor network yang disimulasikan oleh shaking table, dengan hasil pencatatannya menggunakan skala shindo. Perancangan sistem detektor ini direalisasikan melalui integrasi tiga subsistem utama: Unit Akuisisi Data Geomagnetik (Magnetic Altitude), Jaringan Sensor Nirkabel (WSN), dan Unit Analisis Tinggi Gelombang Laut. Hasil yang diperoleh menunjukkan sistem detektor gempa berpotensi tsunami menggunakan prinsip Magnetic Altitude terbukti efektif dalam mendeteksi perubahan tinggi-rendah permukaan air laut. Pengujian menunjukkan bahwa sensor magnetik dapat mengukur variasi ketinggian gelombang laut yang signifikan dalam range yang ditentukan, yang merupakan indikasi utama dari potensi gelombang tsunami. Sistem ini memiliki potensi besar untuk diterapkan sebagai komponen kunci dalam sistem peringatan dini tsunami lokal di pesisir pantai Kabupaten Buleleng, mengingat karakteristik geografis wilayah yang rawan bencana
Pengaruh Model Pembelajaran Discovery Learning Berbasis Tri Kaya Parisudha Terhadap Literasi Sains dan Hasil Belajar IPA Pada Siswa SMP Kadek Leni Widiartini; Putu Artawan; I Nyoman Tika
Jurnal Penelitian Pendidikan IPA Vol 11 No 7 (2025): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i7.11517

Abstract

Learning model is a strategy or planning used as a reference in the implementation of the teaching and learning process. One relevant model is Discovery Learning. This study aims to examine the differences in: scientific literacy and science learning outcomes simultaneously, scientific literacy skills, and science learning outcomes between students taught using the Discovery Learning model and those taught using the Tri Kaya Parisudha-based Discovery Learning model. The research employed a quantitative approach with a quasi-experimental method and a Nonequivalent Pretest-Posttest Control Group Design. The subjects were seventh-grade students at SMP Negeri 3 Selemadeg Timur, divided into experimental and control groups. Data collection instruments included a questionnaire to assess scientific literacy and objective tests (pretest and posttest) to measure science learning outcomes. Data were analyzed using MANCOVA. The findings revealed significant differences (p < 0.05) between the two groups in all three aspects examined: simultaneous scientific literacy and learning outcomes, scientific literacy alone, and science learning outcomes alone. These results indicate that the Tri Kaya Parisudha-based Discovery Learning model is more effective in enhancing students' scientific literacy and science learning outcomes.
The Effect of TGT (Team game tournament) type Cooperative Learning Model Assisted by Interactive Wordwall Media on the Interests and Science Learning Outcomes of Junior High School Students Luh Putu Yeni Andriyani; I Nyoman Tika; Putu Artawan
Jurnal Penelitian Pendidikan IPA Vol 11 No 7 (2025): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i7.11519

Abstract

To improve students' interest and learning outcomes in science, it is necessary to apply an innovative learning model assisted by interactive media so that the learning process in the classroom becomes more interesting, so that it can increase students' interest in learning which will later affect student learning outcomes. One innovation that can be applied to improve students' interest and learning outcomes is to use an innovative learning model, namely the TGT (Team Game Tournament) cooperative learning model assisted by interactive wordwall media. This study aims to describe the differences in students' interest in learning science, students' learning outcomes, interests and learning outcomes of science simultaneously in students who are taught using the TGT type cooperative learning model assisted by interactive wordwall media with students who are taught using the TGT type cooperative learning model. This type of research is a quasi-experimental researchs. This study uses a quantitative approach. The design of this study uses the Nonequivalent Pretest Posttest Control Group Design. The results of this study indicate that: a significance value of less than 0.05 was obtained, a significance value of less than 0.05 was obtained, a value of less than 0.05 was obtained, so it can be concluded that there are differences in interest and learning outcomes simultaneously in groups of students who are taught using the TGT type cooperative learning model assisted by interactive wordwall media with students who are taught using the TGT type cooperative learning model.
Co-Authors ., Dewa Ayu Putu Diah Oktaviani Lestari ., I Komang Suliasa ., Kadek Ari Widia Astuti ., Luh Gede Ika Dewi Kusumayanthi ., Ni Kadek Vingki Aryanti ., Ni Made Sastri Dwisarini ., Ni Putu Widyasanti ., Putu Fera Andriyani A. A. Istri Agung Rai Sudiatmika A. E. Putra Ajeng Purnama Heny Anak Agung Sagung Krisna Darmawati Anny Maulida . Desak Made Citrawathi Dewa Ayu Putu Diah Oktaviani Lestari . Dr. I Nyoman Tika,M.Si . Dr. Ni Made Pujani,M.Si . Drs. I Made Wirta, M.Pd . Fitriani, Herdiyana Gde Parie Perdana . Gde Parie Perdana ., Gde Parie Perdana I Gede Dana Santika . I Gede Dana Santika ., I Gede Dana Santika I Gusti Agung Adi Putra Suryawan . I Gusti Agung Adi Putra Suryawan ., I Gusti Agung Adi Putra Suryawan I Kertut Purnamawan I Ketut Purnamawan I Ketut Purnamawan I Komang Suliasa . I Made Adi Wiadnyana . I Wayan Mindrawan . I Wayan Mindrawan ., I Wayan Mindrawan I Wayan Redhana I Wayan Sadia I Wayan Suastra Ida Bagus Putu Arnyana Ida Bagus Putu Mardana Iwan Suswandi Kadek Ari Widia Astuti . Kadek Leni Widiartini Ketut Janur Antariani . Ketut Purnamawan Ketut Purnamawan Luh Gede Ika Dewi Kusumayanthi . Luh Putu Budi Yasmini Luh Putu Yeni Andriyani M.Pd Drs. I Made Wirta . MS Prof. Dr. Ketut Suma . Ni Kadek Ani Parwati . Ni Kadek Suratini . Ni Kadek Vingki Aryanti . Ni Luh Wiwin Arya Juniari . Ni Luh Wiwin Arya Juniari ., Ni Luh Wiwin Arya Juniari Ni Made Sastri Dwisarini . Ni Putu Widyasanti . Prof. Dr. I Wayan Santyasa,M.Si . Prof. Dr. Ketut Suma, MS . Putra, A. E. Putri Sarini Putu Asta Widya Widnyana . Putu Asta Widya Widnyana ., Putu Asta Widya Widnyana Putu Budi Adnyana Putu Fera Andriyani . Rachmawati, Dewi Oktova Rina Agustini Sitohang Suyoga Wiguna, Anak Agung Gde Wanda Yudi Astari . Waruwu, Wenimanwati Yuliana, Ina