Berkala Fisika Indonesia
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Identifikasi tingkat kematangan buah pisang berdasarkan karakteristik impedansi listrik dengan metode spektroskopi impedansi listrik menggunakan elektroda 4 jarum
Get PDFPengembangan modul pembelajaran Peluruhan Radioaktif untuk mata kuliah Fisika Atom dan Inti pada Program Studi S-1 Pendidikan Fisika
Get PDFThe development of a Radioactive Decay learning module for the Atomic and Nuclear physics course at Undergraduate Physics Education Study Program. The Atomic and Nuclear Physics course is one of the important and interesting subjects to study in the Physics Education Bachelor's study program. Still, learning has not progressed as expected because students find it difficult to understand abstract material, including radioactive decay. Therefore, learning media is needed as a tool for independent learning, and one type of appropriate learning media is a module. Research has been carried out to develop a learning module on radioactive decay in Indonesian that is suitable for use to support independent learning and to determine the level of student user satisfaction with the module developed. This research used the ADDIE (Analysis, Design, Development, Implementation, and Evaluation) development model. Before being tested with users, the feasibility of the module was validated using a questionnaire instrument by two material expert lecturers. An average feasibility level of 84.2% was obtained, which is included in the very feasible category. In the trial, the learning module was distributed as a PDF file to 25 students as a sample of users, and a user satisfaction level of 86.0% was obtained, which is in the very satisfactory category. The research results show that the module developed is suitable for independent learning
Pengembangan multimedia Tata Surya berbasis Articulate Storyline untuk meningkatkan literasi sains Kelas VI SD
Get PDFDevelopment of Solar System based multimedia Articulate Story to improve science literacy for Class VI Elementary School. This research aims to develop a multimedia Solar System based on an Articulate Storyline oriented toward scientific literacy. This research is development using the ADDIE model. The research subjects were 1 media expert, 1 material expert, 1 learning expert, 1 language expert, 1 teacher, and 19 students. Data was taken using questionnaires and tests. The data collection instruments used were validation assessment sheets, response questionnaire sheets, and questions pretest-posttest. Effectiveness test on 19 students with one group pretest-posttest design. Collecting scientific literacy data with validated questions of 10 multiple choice questions. The research results show that quality assessments from media experts, material experts, learning experts, and language experts show that the media is of high quality. The teacher responded well as shown in the results of filling out the response questionnaire and the students responded well to the media by giving positive responses to the response questionnaire that had been given. The effectiveness testing results show that the solar system is based on multimedia Articulate Storyline effective in increasing scientific literacy in grade VI elementary school. Students' interest in multimedia learning is visible, with their active interaction increasing learning success, showing the effectiveness of multimedia in improving the learning process
Analysis of subsurface structure in ulakan tapakis district Padang Pariaman regency using refraction seismic method
Get PDFAnalysis of Subsurface Structure in Ulakan Tapakis District, Padang Pariaman Regency Using Refraction Seismic Method. This study aims to analyse the subsurface structure in Ulakan Tapakis District, Padang Pariaman Regency using the seismic refraction method. Data acquisition used the in-line configuration technique on eight passes. The data obtained form of wave traveltime as a function of distance. Data processing the refraction seismic method is based on the arrival time of the first wave, by picking the first break to obtain a travel time graph and using time-term inversion to obtain a 2-D seismic cross section. The results showed that the subsurface structure in the study area consisted of 2 layers based on differences in wave propagation velocity on each path. Wave velocities in the first layer of 252 m/s to 425 m/s are interpreted as layers of weathered bedrock, topsoil, unsaturated sand and gravel mix at depths of 1 to 6 meters. The second layer has wave velocities of 503 m/s to 665 m/s interpreted as layers of alluvium, saturated sand and gravel at depths greater than 6 meters. The subsurface structure in this area is included in the primary structure with rock formation units in the form of surface Alluvium (Qal) deposits which are suspected of experiencing subsurface weathering. This research makes a significant contribution to mitigating the risk of earthquake disasters by providing an understanding of the potential associated hazards
Pengembangan media pembelajaran menggunakan smart apps creator berbasis discovery learning pada materi Gelombang Bunyi di SMA Kelas XI MIPA
Get PDFDevelopment of learning media Using smart apps creator based on discovery learning on sound wave material in SMA class XI MIPA. This research aims to develop smart application-based learning media using a discovery learning approach in sound wave material for class XI MIPA students in high school. The research method used is research and development (R&D), with procedures based on the ASSURE model and Tessmer's formative evaluation stage. The research subjects included one teacher and 45 students. The research instrument used was a questionnaire to measure the validity and practicality of learning media. The research results show that the learning media developed has a validity level of 85.20% and a practicality level of 88.26%. Thus, it can be concluded that this learning media is valid and practical for high school students in class XI MIPA to study sound waves. The implication of this research is that the developments that have been carried out can provide guidance for learning media developers, encourage the adoption of technology in learning, and motivate teachers to adopt a more interactive and discovery-based learning approach
Pengaruh model meaningful instructional design berbantuan media web learning terhadap kemampuan literasi sains siswa
No full textReduksi miskonsepsi mahasiswa Teknik Elektro pada materi induksi elektromagnetik melalui laboratorium virtual PhET
Get PDFPenelitian ini bertujuan untuk mereduksi jumlah mahasiswa Jurusan Teknik Elektro yang mengalami miskonsepsi pada 7 konsep Induksi Elektromagnetik. Laboratorium Virtual PhET digunakan dalam perkuliahan untuk mengatasi miskonsepsi. Penelitian ini menggunakan desain one-group pretest-posttest. Pretest dan posttest mengunakan soal diagnostik miskonsepsi Four-tier test. Hasil tes diagnostik miskonsepsi menggunakan Four-tier test menunjukan rata-rata sebanyak 39,86% mahasiswa mengalami miskonsepsi pada tiap konsep, kemudian setelah diterapkan kegiatan laboratorium virtual rata-rata jumlah mahasiswa yang mengalami miskonsepsi berkurang menjadi 10,71%. Uji McNemar menunjukkan bahwa terjadi perubahan yang signifikan jumlah mahasiswa yang mengalami miskonsepsi pada setiap konsep, setelah dilakukan kegiatan laboratorium virtual. Hasil tersebut menunjukkan bahwa penerapan laboratorium virtual PhET efektif dalam mereduksi miskonsepsi mahasiswa pada materi induksi elektromagneti
Pengembangan modul pembelajaran tentang efek zeeman pada mata kuliah fisika atom dan inti untuk S-1 Pendidikan Fisika
Get PDFFisika Atom dan Inti merupakan salah satu mata kuliah penting dan menarik pada program studi S-1 Pendidikan Fisika, namun proses pembelajaran belum optimal karena mahasiswa kesulitan untuk memahami materi yang abstrak, termasuk efek Zeeman. Oleh karena itu, media pembelajaran diperlukan sebagai alat bantu pembelajaran, dan salah satu jenis media pembelajaran yang menarik dan praktis adalah modul. Tujuan penelitian ini adalah untuk menghasilkan modul pembelajaran tentang efek Zeeman yang layak digunakan untuk menunjang pembelajaran, dan untuk mengetahui kepuasan pengguna terhadap modul yang dikembangkan. Penelitian ini menggunakan model pengembangan ADDIE yang terdiri atas lima tahap, yaitu Analysis, Design, Development, Implementation, dan Evaluation. Untuk mengetahui kelayakan modul dilakukan validasi melalui angket oleh dua orang dosen ahli materi. Tingkat kelayakan rata-rata adalah berturut-turut sebesar 87,48%, dengan kategori sangat layak. Setelah uji kelayakan, modul pembelajaran dibagikan dalam bentuk file pdf dan dilakukan uji kepuasan pengguna kepada 22 orang mahasiswa sebagai sampel pengguna. Dari uji kepuasan pengguna diperoleh tingkat kepuasan pengguna sebesar 84,71%, termasuk kategori sangat memuaskan
Penerapan reciprocal teaching berbantuan Google Sites untuk meningkatkan keterampilan komunikasi sains siswa smp
Get PDFPenelitian ini bertujuan untuk menerapkan Reciprocal Teaching berbantuan Google Sites untuk meningkatkan keterampilan komunikasi sains siswa. Penelitian ini dilakukan dengan menggunakan metode penelitian tindakan kelas model Kemmis dan MC Taggart yang terdiri dari dua siklus. Paradigma ini dimulai dengan perencanaan, kemudian tindakan, kemudian observasi, dan akhirnya kegiatan refleksi. Penelitian dilaksanakan pada 26 siswa di kelas VIII SMP Negeri 3 Satu Atap Borobudur. Dalam penelitian ini nilai KKM adalah 65. Sedangkan tingkat keaktifan siswa minimal sedang (33%-66%). Sementara keterampilan komunikasi sains siswa cukup (66%-75%). Hasil penelitian menunjukkan bahwa pembelajaran IPA dengan menggunakan Reciprocal Teaching berbantuan Google Sites dapat meningkatkan keaktifan guru pada kategori baik (94%) dan keaktifan siswa meningkat dari kategori sedang menjadi baik (71%), ketuntasan belajar siswa mencapai ketuntasan klasikal pada Siklus II (77%) dan keterampilan komunikasi sains siswa meningkat dari kategori cukup menjadi baik secara signifikan (79%), sehingga penggunaan Reciprocal Teaching berbantuan Google Sites untuk meningkatkan keterampilan sains siswa SMP berhasil
Pengembangan bahan ajar science, technology, engineering, mathematics model project-based learning untuk meningkatkan proses sains ditinjau dari kemampuan awal dan sikap ilmiah
Get PDFThis research aims to develop teaching materials for project-based learning models for science, technology, engineering, and mathematics (STEM). The procedure for developing teaching materials refers to the 4D model (Design, Define, Develop, Disseminate). The research instrument was in the form of teaching material validation sheets and science process skills tests. The design used is a non-equivalent (pretest-posttest) design. Data were analyzed using due diligence and effectiveness analysis. The product, as a result of the development, was tested and involved two covariates: initial ability and scientific attitude. The developed teaching materials have a very valid category, and the feasibility value of the science process skills test questions from the validator is 97% very good category. The resulting product is practical to apply based on the results of learning management. PjBL STEM teaching materials can improve science process skills