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Gravitasi: Jurnal Pendidikan Fisika dan Sains
Published by Universitas Samudra
ISSN : 2715548X     EISSN : 27155498     DOI : -
Core Subject : Science, Education,
Education Physics
GRAVITASI: Jurnal Pendidikan Fisika dan Sains merupakan jurnal peer-reviewed, yang diterbitkan secara berkala 2 kali setahun pada bulan Juni dan Desember oleh Program Studi Pendidikan Fisika Fakultas Keguruan dan Ilmu Pendidikan (FKIP) Universitas Samudra. GRAVITASI: Jurnal Pendidikan Fisika dan Sains ini berisikan artikel hasil penelitian ataupun hasil kajian studi literatur di bidang kajian Pendidikan Fisika dan Sains Fisika dengan scope: penerapan dan pengembangan model pembelajaran, Pengembangan media pembelajaran, kajian kurikulum, pembelajaran berbasis praktikum dan implementasi aplikasi terapan bidang sains fisika: Garavitasi, Termodinamika, Ilmu Bumi dan Antariksa, sains Kebumian, Sains Komputasi, dll.
Arjuna Subject : Fisika dan Astronomi - Fisika dan Astronomi (Lain-Lain)
Articles 96 Documents
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Analisis Kualitas Butir Soal UTS Mata Pelajaran IPA Tahun Pelajaran 2019/2020 Kelas VII di SMPN 6 Kota Langsa Cindy Rasta Br Ginting; Dion Bagus Ds; Nurul Yusya Miranti; Nurmasyitah Nurmasyitah
Jurnal Pendidikan Fisika dan Sains Vol 3 No 01 (2020): GRAVITASI: Jurnal Pendidikan Fisika dan Sains
Publisher : Program Studi Pendidikan Fisika FKIP Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/gravitasi.jpfs.v3i01.2261

Abstract

The purpose of this study is to determine the quality of the results of the vii class science class in 2019/2020, a class of validity, reliability, depth of adversity and contrasting power. And this study USES a descriptive method. The subject in this study is a student class vii middle school n 6 langsa. Data-collection techniques are done using methods of documentation and observation. Data obtained use manual calculations by helping excel programs. This study is: (1) based on validity, problem no. 1 is low-predicated, validity of article 2 is insufficient, validity of article 3 is extremely low, and the validity of grains of 4-5 is fairly categorized. (2) reliably, the results of these studies have found that the peculiar midterm problems for the class vii class 6 of langsa for the 2019/2020 school are not religious, (3) based on reclassification power, from exam problems are low, only article no. 4 has enough categories. (4) for her level of suffering from no. 1 to no. 5, she was categorized as a simple group. Tests are good as a gauge when they meet the following requirement: good validity, good reliability, good objectivity, normal practicality and good economic value. Well, according to research conducted, the fact that entire grains of matter were rated as inferior. Because of validity, reliability, contrition power and severity it does not meet well-defined standard scores.
Mengoptimalkan Metode Eksperimen dengan Peningkatan Keterampilan Merangkai Alat-alat Fisika pada Siswa SMP Negeri 1 Peureulak Elinawati Dalimunthe; Muhammad Yakob
Jurnal Pendidikan Fisika dan Sains Vol 3 No 01 (2020): GRAVITASI: Jurnal Pendidikan Fisika dan Sains
Publisher : Program Studi Pendidikan Fisika FKIP Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/gravitasi.jpfs.v3i01.2269

Abstract

Pendidik yang berkompetensi dan profesional harus dapat melakukan pembaharuan dalam peningkatan kreatifitas mengajar dalam pengelolaan proses pembelajaran fisika di SMP sebagai respon semakin melemahnya kualitas belajar siswa. Dalam pembelajaran yang dikakukan dengan materi yang tidak kontekstual serta kinerja siswa yang rendah akan menghasilkan proses dan produk yang rendah. Sebagian besar guru masih melaksanakan pembelajaran secara tradisional. Hal ini dapat menimbulkan kejenuhan, kebosanan, serta menurunkan minat dan motivasi belajar siswa. Berdasarkan uraian permasalahan di atas, melalui penelitian ini diharapkan guru mampu memainkan peran sebagai inovator pembelajaran. Peningkatan kreatifitas guru mutlak perlu dikembangkan, salah satunya adalah pembelajaran dengan metode eksperimen. Selama ini kegiatan pembelajaran dengan metode eksperimen, masih banyak siswa yang kesulitan dalam merangkaikan alat-alat laboratorium sesuai dengan gambar yang ada di Lembar Kerja Siswa (LKS), sehingga memboroskan waktu pembelajaran yang pada akhirnya tujuan pembelajaran tidak tercapai sesuai dengan yang diharapkan. Untuk mengatasi masalah di atas, siswa diberi LKS yang berisi gambar alat-alat sesuai dengan alat/ benda yang sebenarnya, serta dilengkapi dengan petunjuk pelaksanaan yang lengkap. Selain itu sebelum eksperimen siswa diberi penjelasan tentang nama dan fungsi alat-alat, serta cara penggunaan alat tersebut. Siswa juga dilatih merangkai alat, sehingga ketrampilan siswa dalam merangkai alat meningkat. Hasil analisis deskripsi mengungkapkan, pada siklus I skor ketrampilan siswa merangkai alat rata-rata 69%,nilai Ulangan Harian rata-rata 55,23, pada siklus II skor ketrampilan siswa merangkai alat rata-rata 74%. nilai Ulangan Harian rata-rata 65,23, sedangkan pada siklus III skor ketrampilan merangkai alat rata-rata 85%, dan nilai Ulangan Harian 73,18. Dengan peningkatan ketrampilan siswa dalam merangkai alat-alat, penggunaan metode eksperimen menjadi lebih optimal, dan hasil belajar siswa lebih meningkat. Disamping peningkatan pada aspek psikomotor, juga terjadi peningkatan pada aspek kognitif dan aspek afektif. Kata Kunci : ketrampilan siswa, merangkai alat-alat dan metode eksperimen.
Bandul si Alarm Gempa Produk Implementasi STEAM dalam Pembelajaran Fisika Berbasis Inquiry Pada kelas XI MIA 4 di SMAN 4 Kejuruan Muda Tp 2019/2020 Ayu Andriani
Jurnal Pendidikan Fisika dan Sains Vol 3 No 01 (2020): GRAVITASI: Jurnal Pendidikan Fisika dan Sains
Publisher : Program Studi Pendidikan Fisika FKIP Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/gravitasi.jpfs.v3i01.2312

Abstract

Tujuan penelitian ini untuk mendeksripsikan adanya keberhasilan STEAM dalam pembelajaran berbasis inquiri Laboratory dalam peningkatan hasil belajar fisika melalui penguasaan konsep, keterampilan berargumentasi, dan menumbuhkan karakter kewirausahaan peserta didik. Penelitian ini dilaksanakan pada bulan Agustus 2019 sampai dengan bulan November 2019, bertempat di kelas XI MIA 2 SMA Negeri 4 Kejuruan Muda Kabupaten Aceh Tamiang. Jenis penelitian adalah Penelitian Tindakan Kelas dengan satu siklus, setiap siklus terdiri dari: perencanaan, pelaksanaan, pengamatan dan refleksi. Teknik dan alat pengumpulan data pada penelitian ini menggunakan teknik analisis deskriptif terhadap data berupa dokumen hasil pekerjaan siswa, daftar nilai dan lembar observasi. Hasil penelitian menunjukkan bahwa dengan model pembelajaran pembelajaran berbasis inquiri Laboratory dapat meningkatkan hasil belajar fisika melalui penguasaan konsep, keterampilan berargumentasi, dan menumbuhkan karakter kewirausahaan peserta didik. Dengan demikian hipotesis terbukti yaitu adanya peningkatan hasil belajar siswa pada kondisi awal hingga ke Siklus. bahwa hasil belajar peserta didik pada pretest, nilai tertinggi dicapai peserta didik sebesar 80 dan nilai terendah 27, dan nilai rerata sebesar 43 dengan nilai ketuntasan 32,10%. Kemudian hasil pelaksaanaan ujian posttest setelah memperoleh Implementasi STEAM dalam pembelajaran fisika berbasis inquiry diperoleh nilai tertinggi 97 dan nilai terendah 68, dan nilai rerata 83 dengan nilai ketuntasan 96,77%. selanjutnya Berdasarkan hasil uji sensivitas butir soal diperoleh indeks sensivitas per item soal berturut-turut : 1 (0,5) , 2(0,4), 3 (0,5), 4 (0,9), 5 (0,3), 6 (0,9). Berdasarkan hasil analisis dapat disimpulkan bahwa implementasi STEAM pada pembelajaran fisika berbasi inqury terbukti merupakan strategi yang tepat, berpengaruh, dan efektif dalam meningkatkan penguasaan konsep peserta didik materi Gelombang Mekanik pada Osilasi Bandul Sederhana, karena pembelajaran memberikan pengalaman belajar aspek pengetahuan, keterampilan dan sikap dalam satu paket, juga menempatkan peserta didik sebagai pembelajar aktif. Kata Kunci: inquiri Laboratory, implementasi STEAM , Kewirausahaan
Full Issue Journal Tim Redaksi Gravitasi JPFS
Jurnal Pendidikan Fisika dan Sains Vol 3 No 01 (2020): GRAVITASI: Jurnal Pendidikan Fisika dan Sains
Publisher : Program Studi Pendidikan Fisika FKIP Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/gravitasi.jpfs.v3i01.2441

Abstract

Tim Redaksi JPFS Full Issue Edisi Juni Vol 3 No 1 Tahun 2020
Penerapan Model Pembelajaran Kooperatif Tipe NHT (Numbered Head Together) Menggunakan Rangkaian Limbah Detergen Untuk Meningkatkan Hasil Belajar Siswa Pada Materi Energi Devi Ratnasari; Muhammad Yakob
Jurnal Pendidikan Fisika dan Sains Vol 3 No 02 (2020): GRAVITASI (Jurnal Pendidikan Fisika dan Sains)
Publisher : Program Studi Pendidikan Fisika FKIP Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/gravitasi.jpfs.v3i02.2270

Abstract

Learning undertaken to achieve the educational goals and objectives of national development in general. To achieve the goal of education is carried out of learning by using learning models. The learning model should be involving the students actively in the teaching and learning activities, in order to improve learning outcomes. The purpose of this study is determine the learning outcomes of students with cooperative learning model type NHT (Numbered Head Together) using a series of waste detergents on the material energy. The method used in this research is experimental research method. Population is this research is as many 198 students of class X IPA which consists of 6 classes. While the sample as many 32 students of class X IPA 5. Based on the results of research in the analysis using the t test showed tcount = 4,03 with the ttable=1,9954 on the significant level of 5%. Because tcount > ttable then it can be concluded that there is an increase student learning outcomes using cooperative learning model type of NHT (Numbered Head Together) on as series of waste detergents on the material energi in the class X IPA 5 SMA Negeri 3 Langsa. Keywords : Cooperative Learning, Model NHT, Waste Detergent
Pengembangan Alat Kunci Pintu Selenoid Menggunakan Rangkaian Penurun Arus Era Fajira
Jurnal Pendidikan Fisika dan Sains Vol 3 No 02 (2020): GRAVITASI (Jurnal Pendidikan Fisika dan Sains)
Publisher : Program Studi Pendidikan Fisika FKIP Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/gravitasi.jpfs.v3i02.2902

Abstract

This study aims to determine the working principle of the current reducing circuit on the selenoid door lock so that it can function. The current reducing circuit is in the form of a simple power supply in the form of an AC current that has a reduced voltage. The current reducing circuit consists of a voltage reducer, a rectifier circuit, and a filter circuit. When the circuit is given an AC current and then converted to a DC current with a voltage of 12 V to make the selenoid door lock work. Selenoid door lock work systems, namely Normally Close (NC) and Normally Open (NO). if given a selenoid voltage will elongate (closed), while the way it works is NOT the opposite of NC. The research method used is Research and Development, with the 4D model. In this development model only uses 3 stages, namely defining, designing, and developing. Data collection techniques used were instrument validation in the media and teaching materials. The results obtained from media experts amounted to 74.29%, while the results from material experts amounted to 75%. From the percentage based on the scale used is the Likert scale, then the media and teaching materials are declared valid (can be used, with several revisions), so it can be concluded that the media and teaching materials can be used as learning media.
PENGEMBANGAN MEDIA KONVERSI ENERGI ANGIN MENJADI ENERGI LISTRIK lisa mustika
Jurnal Pendidikan Fisika dan Sains Vol 3 No 02 (2020): GRAVITASI (Jurnal Pendidikan Fisika dan Sains)
Publisher : Program Studi Pendidikan Fisika FKIP Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/gravitasi.jpfs.v3i02.2905

Abstract

This study aims to determine the working principle of the media for the conversion of wind energy into electrical energy and to test the feasibility of the media to convert wind energy into electrical energy which will be used as a learning medium on energy conversion material. This research uses the Research and Development (R&D) development method and the development model used is 4D. In the 4D Model, the activities carried out at each stage of media development are the defining stage (Define), the design stage (Development), the development stage (Develop), and the dissemination stage (Disseminate), but in this study carried out only to the validation stage only and did not reach the stage of dissemination (implementation). The working principle of the conversion media of wind energy into electrical energy is by converting a kinetic energy from the air into mechanical energy which causes the rotation that occurs on the generator to produce an electric current. Wind energy is used to spin the blades so that the rotor rotates, when the rotor rotates, the generator will automatically flow electrical energy. The results of media validation carried out by media experts to see the percentage of the feasibility of the media conversion of wind energy into electrical energy as a whole is 60%, which means that this media is quite feasible to be used in learning media. As for the results of the overall material validation carried out by material experts in the media of the conversion of wind energy into electrical energy is 80%, which means that the material in this media is suitable for use in learning.
PENGEMBANGAN MEDIA LINTASAN “HIGH ROAD-LOW ROAD” PADA MATERI USAHA DAN ENERGI Lola Pratiwi
Jurnal Pendidikan Fisika dan Sains Vol 3 No 02 (2020): GRAVITASI (Jurnal Pendidikan Fisika dan Sains)
Publisher : Program Studi Pendidikan Fisika FKIP Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/gravitasi.jpfs.v3i02.2906

Abstract

This research is intended to study the "HR-LR" trajectory media about business and energy material that can be developed and is suitable for use in learning activities. This research uses the Research and Development (R&D) development method and the development model used is 4D. In the 4D Model, the steps of activities carried out at each stage of media development are the stages of definition (definition), design stage, development stage, and development of dissemination (dissemination), but in this study carried out only to the validation stage and not to the dissemination phase (implementation). Learning media on business and energy materials can be developed using the "HR-LR" trajectory. The validation assessment stage is carried out by media experts and material experts, using a questionnaire form validation. The questionnaire used by media experts and material experts each has 4 aspects of Value. The results of media validation carried out by media experts to see the percentage of the feasibility of the "HR-LR" trajectory media on business and energy material as a whole get a percentage of 70% which has the criteria as this medium is suitable for use in media learning activities. While for the results of the overall material validation carried out by the material experts to see the percentage of module eligibility in accordance with the media path "HR-LR" on business material and energy this gets a percentage of 76% who have an opinion about the material in this media both used in learning activities. Keywords : Business and Energy, Friction Style, Media development
PERBANDINGAN TEGANGAN LISTRIK YANG DIHASILKAN BUAH PEDADA (SONNERATIA CASEOLARIS) UTUH DENGAN BUAH YANG DIBELAH Thea Deninta
Jurnal Pendidikan Fisika dan Sains Vol 3 No 02 (2020): GRAVITASI (Jurnal Pendidikan Fisika dan Sains)
Publisher : Program Studi Pendidikan Fisika FKIP Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/gravitasi.jpfs.v3i02.2907

Abstract

A research has been conducted which aims to find out how to increase the amount of electric voltage produced by pedada fruit (Sonneratia Caseolaris) with a fixed number of fruits. In this study using an experimental method by connecting copper electrodes (Cu) as a cathode and iron (Fe) as an anode. The fruit used is fruit pedada (Sonneratia Caseolaris) intact and divided. In measuring the strength of the current and voltage connected to the Multimeter with Cu and Fe electrodes as the link. The results showed that the current strength and voltage delivered by 7 whole pieces, namely for the number of 1 pedada is (0.1 mA; 0.53 V), for 2 pieces (0.11 mA; 1.09 V), for 3 pieces (0.13 mA; 1.4 V), for 4 pieces (0.13 mA; 1.75 V), for 5 pieces (0.14 mA; 2.5 V), for 6 pieces (0, 13 mA, 2.9 V) and for 7 units (0.15 mA; 3.2 V); and 7 parts divided by a quarter, namely for the number of parts a quarter of pedada fruit 1 part is (0.13 mA; 0.53 V), for 2 parts (0.15 mA; 1.03 V), for 3 parts (0.1 mA; 1.52 V), for 4 parts (0.13 mA; 2.05 V), for 5 parts (0.14 mA; 2.63 V), for 6 parts (0.13 mA; 3.27 V) and for 7 units (0.1 mA; 3.78 V). The voltage delivered by a quarter fruit is the same as a whole fruit, so it can be concluded that the fruit being cleaved is more effective in its use because it delivers the same voltage as a whole fruit.
Full Issue Journal Tim Redaksi GRAVITASI: JPFS
Jurnal Pendidikan Fisika dan Sains Vol 3 No 02 (2020): GRAVITASI (Jurnal Pendidikan Fisika dan Sains)
Publisher : Program Studi Pendidikan Fisika FKIP Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/gravitasi.jpfs.v3i02.3161

Abstract

Full Issue Edisi Desember Vol 3 No 2 Tahun 2020

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