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Kappa Journal
Published by Universitas Hamzanwadi
ISSN : -     EISSN : 25492950     DOI : -
Core Subject : Science, Education,
Astronomy Physics Other
Kappa Journal (e-ISSN 2549-2950) mempublikasikan artikel hasil-hasil penelitian fisika, inovasi pembelajaran fisika, dan pemikiran-pemikiran kritis tentang fisika maupun pendidikan fisika. Kappa Journal diterbitkan oleh Universitas Hamzanwadi dua kali setahun yakni setiap bulan Juni dan Desember.
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Articles 14 Documents
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Search results for , issue "VOL 4, NO 1 (2020): KAPPA JOURNAL" : 14 Documents clear
PENGARUH SOFTWARE TRACKER PADA PEMBELAJARAN KOEFISIEN RESTITUSI BERBASIS INKUIRI TERBIMBING TERHADAP KEMAMPUAN MULTIPLE REPRESENTATIONS SISWA Oktaviani, Yeni; Wahyudi, Ismu; Abdurrahman, Abdurrahman
Kappa Journal VOL 4, NO 1 (2020): KAPPA JOURNAL
Publisher : Universitas Hamzanwadi

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The effect of software tracker on learning coefficient restitution based inquiry guided on ability of multiple representations. Software tracker in learning the restitution coefficient can help to track the motion of objects at a more precise and accurate time, helping students get the track of objects that based on these tracks students can be guided to find concepts or equations of object motion. This study aims to describe how the influence of usingatrackeronguided inquiry based restitution coefficient learning on the ability of multiple representations ( MR ). The population of this research is all grade X students of Muhammadiyah 1 Purbolinggo Senior High School. The sample of thisresearch is students of gradeX MIPA 2 Muhammadiyah 1Purbolinggo Senior High School. The research design used is the One Group Pretest-Post testDesign.Learningis done by practicing guided inquiry of restitutioncoefficien practicum activities,then processing the experimental data byanalyzing the experimental video using a software of tracker. Ability MR of students is obtained from the learning process in the formofpretestand posttest. Analisis data is done using Paired Sample T-Test. Based on the results of the study obtained an average score of ability MR has increasedby 58,64 % with an average N-Gain in the medium category (0,68 ). These results indicate that learning by using a tracker can improve ability MR with good with a significance value of 0.00.
PENGOLAHAN SAMPAH PLASTIK MENJADI BAHAN BAKAR MINYAK (BBM) DENGAN METODE PIROLISIS SEBAGAI ENERGI ALTERNATIF Wajdi, Badrul; Sapiruddin, Sapiruddin; Novianti, Baiq Aryani; Zahara, Laxmi
Kappa Journal VOL 4, NO 1 (2020): KAPPA JOURNAL
Publisher : Universitas Hamzanwadi

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Tujuan penelitian ini untuk mengolah sampah plastik menjadi BBM dengan metode pirolisis sebagai energi alternatif dan mengolah kembali gas hasil pirolisis sebagai sumber energi. Metode penelitian yang digunakan adalah eksperimen. Data  hasil  penelitian dianalisis  dengan  cara  mengamati secara  langsung  hasil  eksperimen,  kemudian menyimpulkan   dan   menentukan   hasil   penelitian yang  telah dilakukan dengan menggunakan teknik analisis regresi berganda. Parameter yang diamati dalam penelitian ini adalah suhu reaktor, waktu pirolisis, dan densitas minyak plastik. Pirolisis sampah plastik ini menggunakan sampah jenis PolyPropylene dan sampah plastik jenis High Density PolyEthylene. Proses  pirolisis  dijalankan  dalam  reaktor yang berisi 0,5 kg plastik dengan variasi suhu 1000 C, 1500 C, 2000 C, 2500 C, dan 3000 C. Untuk menghemat bahan bakar dalam menamaskan reaktor maka digunakan gas sisa pirolisis yang tidak dapat terkondensasi pada tabung kondensor. Hasil penelitian menunjukkan minyak hasil pirolisis terbanyak dari sampah plastik PolyPropylene dan High Density PolyEthylene diperoleh pada suhu operasi 3000 C sebanyak 110 ml dan 145 ml. Waktu tercepat proses pirolisis plastik PolyPropylene adalah 60 menit  dengan nilai densitas minyak sebesar 818,181 kg/m3dan plastik High Density PolyEthylene adalah  30 menit dengan nilai densitas minyak sebesar 714,285 kg/m3 serta 551,728 kg/m3. Densitas  minyak  hasil  pirolisis  pada plastik PolyPropylene mendekati densitas bahan bakar etanol dan solar masing-masing 777,777 kg/m3 dan 818,181 kg/m3. Sedangkan pada plastik High Density PolyEthylene nilai densitas mendekati bahan bakar bensin sebesar 714,285 kg/m3. Data analisis regresi berganda pada plastik PolyPropylene dan High Density PolyEthylene menunjukkan bahwa suhu, waktu pirolisis dan densitas memiliki hubungan yang sangat kuat dan saling mempengaruhi satu sama lain.
VALIDITAS LEMBAR KERJA MAHASISWA UNTUK MENINGKATKAN LITERASI SAINS PADA MATA KULIAH FISIKA BIOLOGI Dewantara, Dewi; Mahtari, Saiyidah; Haryandi, Surya
Kappa Journal VOL 4, NO 1 (2020): KAPPA JOURNAL
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The use of student's worksheets in biology physics lectures will contribute to optimizing the achievement of learning objectives in conveying material from lecturers to students and the achievement of scientific literacy skills to students. This article aims to describe the validation of student worksheets in Biology Physics courses to improve student scientific literacy. Development research was carried out in the Lambung Mangkurat University Physics Education Study Program 2019/2020. Validation is one of the processes at the part of the development stage. The validity of student's worksheets is measured using a validation sheet and then determined based on validation by experts which are stated as Valid or invalid. If valid, it will be categorized again as very good, good, enough, less, and not very good. The conclusion of this article is the Student Worksheet for increasing scientific literacy in Physics Biology courses is valid in both categories. Thus this Worksheet can be implemented for further testing at the dissemination stage.
ANALISIS KESULITAN BELAJAR FISIKA MATERI ELASTISITAS DAN HUKUM HOOKE DALAM PENYELESAIAN SOAL – SOAL FISIKA Hidayatulloh, Alpiana
Kappa Journal VOL 4, NO 1 (2020): KAPPA JOURNAL
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This research was conducted in MA Yadaro, Moyot Village Class XI IPA. This study aims to analyze the difficulties faced by students when working on physics problems both in the form of pictorial questions and story problems. The material used in this study is about elasticity and hooke law. To see the difficulties faced by students an evaluation test in the form of a written test in the form of a picture problem and a story problem. Then the results of the evaluation were analyzed with a qualitative descriptive analysis, where students' answers were analyzed in two stages: the first stage: the analysis phase of the questions in all items and the second stage: the analysis of each item.
PENGEMBANGAN ALAT PERAGA KOTAK MITIGASI BENCANA SEBAGAI PENUNJANG PEMBELAJARAN KEBENCANAAN DI SEKOLAH DASAR Ayub, Syahrial; Verawati, NNSP; Ardhuha, Jannatin; Zuhdi, Muhammad
Kappa Journal VOL 4, NO 1 (2020): KAPPA JOURNAL
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The purpose of this research is to develop a tool for disaster mitigation box as a support for learning disaster in elementary schools. This research uses the R&D approach according to Borg & Gall, which includes the step of development, pilot testing, and the final testing. In The development stage, resulted in seven aspects of the mitigation box namely a disaster poster, disaster impact poster, evacuation map, symbols for evacuation, newspaper clippings, disaster stories and songs about disasters. The seven aspects are declared very feasible to use in disaster learning. The trial phase is a limited trial. Limited trials were carried out 2 times to 32 students in grade III of SD Negeri 6 Mataram. In this limited trial it was stated that this disaster mitigation box was very suitable for learning. Disaster mitigation box testing phase is the stage to determine the effect of the use of disaster mitigation boxes to increase disaster awareness. Increased disaster awareness is determined based on the gain score. The results of the study concluded that the gain score for implementing the disaster mitigation box was 0.50 (medium). The development of the disaster mitigation box teaching aid received a good response from students by 80.80% and according to observers the learning went very well. The results of the research and validation test of learning development experts using disaster mitigation box props are worthy to be used as references in disaster learning.
PENINGKATAN PEMAHAMAN KONSEP FISIKA DASAR MELALUI KONFLIK KOGNITIF DENGAN PERTANYAAN TAK TERDUGA Ronodirdjo, Muhammad Zuhdi; Makhrus, Muh
Kappa Journal VOL 4, NO 1 (2020): KAPPA JOURNAL
Publisher : Universitas Hamzanwadi

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Inter-Semester Lectures are identical students whose level of mastery of concept skills is still low. Efforts that can be made to improve students' mastery of concepts are applying learning with the cognitive conflict approach. Students have a very low understanding of concepts in basic physics subjects in temperature and heat. The purpose of this study is to improve the mastery of the concept of students in the material Temperature and Heat. This type of research is a quasi-experimental design with the One Group Pretest-Posttest Design. The sample in this study used students of physics education study programs at one of the universities in NTB. The number of samples in this study was 20 students. The research instrument used was a multiple-choice question. Improved understanding of concepts was analyzed by the N-Gain test. The results showed an increase in mastery of the concept of material temperature and heat after learning with the cognitive conflict approach with an average N-Gain of 0.62 in the medium category
PENERAPAN MODELING INSTRUCTION DAN SIMULASI PHET DALAM MENINGKATKAN KEMAMPUAN MENGANALISIS Hati, Hilmi Setia; Sapiruddin, Sapiruddin
Kappa Journal VOL 4, NO 1 (2020): KAPPA JOURNAL
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This study aims to determine the increase in students' ability to analyze by applying modeling instruction and simulation media PhET. The research method used is a quasi experimental method with one group pretest posttest design. In this study, samples were taken as many as 33 people. The instrument used in the study was a multiple choice test. This test consists of 5 questions in the analyze category. Data analysis in this study used the Gain Normality Test. From the calculation results obtained an average value of N-gain of 0.7, it can be concluded that the application of modeling instruction and simulation media PhET can improve the ability to analyze students.
HUBUNGAN WAKTU BELAJAR DI LUAR JAM SEKOLAH DENGAN HASIL BELAJAR FISIKA DI SMA NEGERI 2 MATARAM Afifah, Gusti; Ayub, Syahrial; Ardhuha, Jannatin; Verawati, NNSP
Kappa Journal VOL 4, NO 1 (2020): KAPPA JOURNAL
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This research aims to obtain a picture of study time outside school hours with the physics learning outcomes of students of SMA Negeri 2 Mataram. This type of research is a descriptive study by interpreting the data as it is. Learning time data collection outside of school hours is obtained through a questionnaire or card that is filled in every day as students study the subject of waves and optics. Data on physics learning outcomes are obtained by multiple choice tests. The data is processed by the product moment correlation formula, followed by a test of the significance of the correlation coefficient. Data analysis conducted there was a significant relationship between study time outside school hours with physics learning outcomes of students of SMA N 2 Mataram with rhitung = 0.96 and rtabel = 0.32 for a significance level of 5%. The percentage of study time outside of school hours independently is greater than in a guided manner
IDENTIFIKASI SEBARAN BIJIH BESI MENGGUNAKAN METODE GEOMAGNET DI DESA PRINGGABAYA UTARA, KABUPATEN LOMBOK TIMUR Safitri, Ulfa Eka; Ardianto, Teguh; Anggraini, Lily Maysari
Kappa Journal VOL 4, NO 1 (2020): KAPPA JOURNAL
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Research has been conducted which aims to determine the distribution of rocks containing iron ore using the geomagnetic method in the North Pringgabaya Village, East Lombok Regency, NTB. Retrieval of magnetic data was carried out with the Proton Precision Magnetometer (PPM) GEM-19T v7.0 in an area of 4 km2 with a measurement point spacing of 100 m and spacing between trajectories of 200 m. From the measurement data, daily and IGRF corrections were performed to obtain total magnetic anomaly contours. Upward continuation is carried out to separate regional and residual magnetic anomalies at an altitude of 200 m. The results showed that there were indications of iron ore in the area with magnetic anomaly data ranging from -147.6 nT to 594.8 nT. The results showed that the rocks identified as iron ore were sand which were mostly found in the eastern and western parts of the study area with a susceptibility value of 0.01634885 SI up to 0.02674884 SI at a depth of 153 m to 449 m..
PENGARUH MODEL PEMBELAJARAN INKUIRI TERBIMBING TERHADAP KEMAMPUAN BERPIKIR KRITIS PESERTA DIDIK KELAS XI Yuliana, Yuliana; Hikmawati, Hikmawati; Wahyudi, Wahyudi
Kappa Journal VOL 4, NO 1 (2020): KAPPA JOURNAL
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Penelitian ini bertujuan untuk mengetahui pengaruh model pembelajaran inkuiri terbimbing berbantuan peta konsep terhadap kemampuan berpikir kritis peserta didik kelas XI. Jenis penelitian ini adalah Quasi Eksperimendengan desain Nonequivalent Control Group Design. Populasinya adalah semua peserta didik kelas XI MIPA SMAN 1 Praya Barat Daya. Penentuan sampel menggunakan teknik samplingjenuhyang terdiri dari peserta didik kelas XI MIPA 2 sebagai kelas eksperimen yang diberi perlakuan berupa pembelajaran dengan menggunakan model pembelajaran inkuiri terbimbing berbantuan peta konsep.  Peserta didik kelas XI MIPA 1 sebagai kelas kontrol menggunakan pembelajaran konvensional. Data kemampuan berpikir kritis diukur dalam tes akhir berupa soal dalam bentuk uraian, dengan perolehan nilai 55,81 untuk kelas kontrol dan  nilai 62,12 untuk kelas eksperimen. Hipotesis penelitian diuji dengan uji-t sampel berpasangan dengan taraf signifikan 5%. Berdasarkan hasil analisis tersebut diperoleh nilai  lebih besar daripada    yaitu 9,45 untuk nilai    dan  2,12 untuk nilai  yang bearti Ho ditolak, sehingga disimpulkan bahwa terdapat pengaruh model pembelajaran inkuiri terbimbing berbantuan peta konsep terhadap kemampuan berpikir kritis peserta didik kelas XI SMA Negeri 1 Praya Barat Daya.

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