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Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika
Published by Universitas Sultan Ageng Tirtayasa
ISSN : 2442515X     EISSN : 25281976     DOI : http://dx.doi.org/10.30870/gravity.vxix
Core Subject : Science, Education,
Astronomy Earth & Planetary Sciences Education Materials Science & Nanotechnology Physics
The focuses of the manuscript received in the Gravity journal is limited to the topic: Physics Education (Media, Educational Policy, Assessment, Learning Model) Theoretical Physics Material Physics Earth and Environmental Physics Astrophysics Medical Physics Computational Physics and Instrumentation
Arjuna Subject : Fisika dan Astronomi - Fisika dan Astronomi (Lain-Lain)
Articles 12 Documents
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Search results for , issue "Vol 9, No 1 (2023)" : 12 Documents clear
Integration of vector physics learning with the qur'an: investigating the effect of worked example (WE) in increasing the value of spiritual character in higher education Mitra Yadiannur; Rahmah Rahmah; Sulaiman Sulaiman
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 9, No 1 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/gravity.v9i1.18663

Abstract

This study aims to measure the effectiveness of the Qur'an integrated worked example vector to increase the value of spiritual characters seen from the partial eta square in the Anava Mixed Design - General Linear Model (GLM). This type of research is quantitative research with experimental research methods. The research design used was the Pretest-Posttest Mixed Design with the experimental group - control. The samples used were 20 students each in both groups. The sampling technique used is cluster random sampling. The test instrument used was a spiritual character score test of 20 multiple choice questions that were validated by 3 expert judgments in the field of character education, 2 physics lecturers, 1 religion lecturer, and 4 colleagues and obtained Aiken's V score of 0.83 with the category very good. Empirical tests were also carried out to see the level of reliability and feasibility of the item questions. A total of 185 students were involved. The reliability result is 0.97 with a very high category and 20 questions are suitable for use based on the output of the QUEST program. The results showed that there was a significant improvement difference between the control and experimental classes, where the worked example was able to increase the value of spiritual characters with an effectiveness of 61% based on the partial eta square output in the experimental class while in the control group an effectiveness of 10 percent was obtained.
Implementation e-learning through physics education study program learning on Self-Regulated Learning (SRL) Evelina Astra Patriot; Pandu Jati Laksono
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 9, No 1 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/gravity.v9i1.11590

Abstract

The Covid-19 pandemic in Indonesia has caused various learning changes that initially used the direct learning process to become distance learning. In this research, the researcher aims to implement e-learning through introductory physics lectures in the physics education study program for prospective science teachers. The type of research used is experimental research with a one-shot case study research design. The sample in the research is a candidate for science teacher in semester 1 (one) in the physics education study program as many as 40 students. This study uses an instrument in the form of a self-regulated learning instrument with 19 questions. The results of this study indicate that the SRL indicator is independence from others as much as 73%, 70% of students in the indicator of self-confidence, 68% behave in a disciplined manner, 68% have a sense of responsibility, the ability to control themselves is 77%, and the percentage is 79 % behave on their initiative. The application of e-learning can provide opportunities for prospective science teacher students to develop and improve Self-Regulated Learning (SRL) in the basic physics lecture process. This research implies an alternative choice of learning that can be applied in basic physics lectures to support student learning independence.
Pengaruh penggunaan google classroom terhadap penguasaan konsep fisika peserta didik melalui model discovery learning Dea Julianingsih; Wahyu Dian Laksanawati
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 9, No 1 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/gravity.v9i1.13563

Abstract

This study aims to describe the effect of using google classroom on students' mastery of physics concepts through the discovery learning model. The method used in this research is a Pre-Experimental Design with the type of One-Group Pretest-Posttest Design. The population in this study were students of class X MIPA at SMA Negeri 3 Tangerang. Sampling technique using simple random sampling. As an experimental class, the sample used was 72 students in classes X MIPA 1 and X MIPA 2. The instrument used was an essay question instrument with 10 questions. Then the data were analyzed and tested using the F-test. The hypothesis test results obtained Fcount = 45,709 and Ftabel = 3,98, and it can be concluded that Fcount>Ftable. So it can be concluded that the null hypothesis is rejected, in other words accepting the alternative hypothesis which states that there is a significant effect of using Google Classroom on students' mastery of physics concepts through the discovery of learning model.
Design and validity of interactive multimedia based on cognitive conflict in kinetic gas theory materials using adobe animate cc Nadya Sari Putri; Fatni Mufit; Amalia Putra; Hidayati Hidayati
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 9, No 1 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/gravity.v9i1.12690

Abstract

The 21st century learning requires students to have 4C skills in addition to understanding students' concepts. However, students' 4C skills and understanding of concepts in physics are still relatively low and there are still many misconceptions and the unavailability of teaching materials that can improve students' 4C abilities and conceptual understanding. This study aims to create a valid cognitive conflict-based interactive multimedia design to improve students' 4C skills and understanding of the concept of gas kinetic theory. This type of research is a development/design research using the Plomp model and this research is limited to the prototyping stage. At the preliminary research stage, it was found that in the range of 25% - 43% of students experienced misconceptions ,and in the range of 18% - 55% of students didn,t understand the concept.. In the development and prototyping stages of designing interactive multimedia, the interactive multimedia designs that have been made are carried out with self evaluation has been carried out with a very valid result of 0.96 and an expert review with a very valid result of 0.82. the result shown the conflict-based interactive multimedia can be used to improve student understanding of 4C abilities and conceptual understanding.
Meta-analysis of the effect of learning cycle model on students’ physics learning outcomes Festiyed Festiyed; Annisa Fadilla; Desnita Desnita; Murtiani Murtiani
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 9, No 1 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/gravity.v9i1.12830

Abstract

Many studies related to the influence of the learning cycle model on learning outcomes have been carried out, but a summary of this topic needs to be related. This research aims to determine the summary effect of the learning cycle model on physics learning outcomes in general and review based on class level, subject matter units, types of learning cycle model, and types of learning outcomes. The research method used is a meta-analysis. Two research results can be presented based on the data analysis conducted. First, the effect size of the learning cycle model on students' physics learning outcomes is 0.915 in the high category. Second, the effect of the learning cycle model on student physics learning outcomes has the highest effect on (1) class XI of 0.921, (2) fluid material unit of 1.026, (3) learning cycle model 7E is 0.931, (4) learning outcomes for skills aspects are 1.126.
Review of Synthesis Cu2ZnSnS4 Using Ball-Milling Method as Thin Film Solar Cell Absorber Layer Maghfirani Aulia Rachman; Eka Cahya Prima; Andhy Setiawan
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 9, No 1 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/gravity.v9i1.12348

Abstract

CZTS (Cu2ZnSnS4) is a readily available, cost-effective, and non-toxic material that uses as a material for absorbing coatings on solar cells. This study aims to examine making CZTS using the Ball-milling method. This method uses a cylindrical grinding machine to reduce coarse materials into more delicate fabrics. The CZTS synthesis process using ball-milling produces better results than other non-sputtering methods. In addition, the synthesis of CZTS using ball-milling can increase the yield of better solar cells. However, in ball-milling, there are still shortcomings, one of which is the presence of heterogeneous elements after the synthesis.
Karakterisasi dengan Spektroskopi Infra Merah (FTIR) Serbuk Bonggol Jagung Maghfiroh, Amalia Ma'rifatul
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 9, No 1 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/gravity.v9i1.17796

Abstract

Corn cobs contains 40-45% cellulose, 30-35% hemicellulose, and 10-20% lignin, while corn cobs ash contains more than 60% silica with small amounts of metal elements. Silica in corn cob powder can be isolated thermally and nonthermally. Nonthermally silica can be separated with HCl. This research was conducted to isolate silica from corncobs using HCl with variations in calcination temperature and holding time. The silica obtained was then characterized by bonding and its structure using infrared spectroscopy (FTIR). The steps taken were preparing the tools and materials, then preparing the corncob powder, and then preparing silica with HCL and FTIR, as well as data processing and analysis. This study concludes that corncob powder produces silica by isolating it using HCL at 70 ºC  for 3 hours and calcining at 800 ºC with a holding time of 4 hours. Based on its FTIR characterization, samples soaked in HCL at 70 ºC  resulted in absorption caused by several factors, including single NH, CH, OH, triple bonds, double bonds, and single bonds. This is reinforced by the FTIR results, where the peaks are in regions 1, 2, 3, and 4.
Peningkatan kemampuan berpikir kritis siswa melalui penerapan KIT listrik berbasis STEAM kontekstual Putri Rahmaddani; Fakhruddin Z; Nur Islami; Retni Khairina
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 9, No 1 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/gravity.v9i1.18702

Abstract

The nation's current generation must master 21st-century skills, including critical thinking skills, to face today's world competition with rapid technological advances. This contextual STEAM-based electrical KIT aims to describe students' necessary thinking abilities and discover the differences in critical thinking abilities between the experimental and control classes. The design used in the study, namely the post-test-only control group and the type of quasi-experimental research. This study included all class IX students of SMP Muhammadiyah Kuok TA.2022/2023 as a population. A sample of 47 students consisted of class IX.1 as the experimental group and category IX.2 as the control group. Posttest critical thinking skills in dynamic electricity material comprised 12 multiple choice questions previously tested for validity and reliability as a data collection instrument. The average posttest results of students' critical thinking skills were used for descriptive analysis with SPSS version 25, and normality, homogeneity, and hypothesis tests were used for inferential analysis. This study shows that students' critical thinking skills regarding dynamic electricity material can be improved by applying contextual STEAM-based electricity KIT contextual learning. This can be seen in the average value obtained in the experimental class is better than the control class.
Simulasi Produksi Neutron pada LINAC Radioterapi menggunakan metode Monte Carlo FLUKA-FLAIR Ramdani, Ridwan; Sutrisna, Irma Wati; Syaja'ah, Khoerun Nisa; Aliah, Hasniah
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 9, No 1 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/gravity.v9i1.18979

Abstract

The use of high-energy photon beams in radiotherapy aims to increase the effectiveness of the radiation beam so that it can reach tumors that are deeper than the surface of the skin. However, linac aircraft operated above 8 MV can cause photonuclear interactions. Neutrons, which are highly avoided in medical physics, can be generated from the interaction of high-energy photons with materials with high atomic numbers (Z) in linac heads. The study focused on simulating the production of linac 10 MV aircraft contaminant neutrons using Fluka-Flair software based on the Monte Carlo method to find out where the contaminant neutrons come from and their dose contribution to the water phantom. The simulated linac aircraft is a linac head consisting of target components, primary collimator, Flattening filter, ion chamber, Secondary Collimator, and Phantom. The simulation results show that neutrons are generated at the target component, primary collimator, Flattening filter, ion chamber, secondary collimator, and water phantom. Tungsten is the target material with the most excellent 55,08% neutron fluence due to its highest atomic number, Primary Collimator 23,45%, Flattening Filter 10,67%, Ion Chamber 7,58%, Secondary Collimator 3,07% and Phantom 0,15 %.
Students' critical thinking ability in implementing the physics learning module with inquiry strategies based on blended learning Chandra Ertikanto; Ismu Wahyudi
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 9, No 1 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/gravity.v9i1.15378

Abstract

The revised 2013 curriculum demands that teachers at all types and levels of schools are expected to be able to apply various approaches and learning models. The problem is the need for learning approaches, models, and assessment instruments for the National Examination or School Examination. This study aimed to describe the difference in the average critical thinking ability of students who used a scientific approach learning module with an inquiry strategy based on blended learning and conventional books used in one of the public high schools in Bandar Lampung. After carrying out the learning process using these modules in the experimental class and the learning process using conventional books in the control class, an analysis of gathering information through discussion forums and planning, instrument testing, difficulty level, discriminating power, N-gain, and Independent Sample T-test is carried out. Test. The final results of the research can be concluded that learning modules using a scientific approach with inquiry strategies based on blended learning can improve the critical thinking skills of high school students in Bandar Lampung for the 2020/2021 academic year.

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