JIPF (Jurnal Ilmu Pendidikan Fisika)
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Hawking Temperature Modification and the Physical Dynamics of Black Holes: A Study of the Influence of Internal and Cosmological Variables
Full text linkThe main objective of the study is to develop a model that modifies the traditional Hawking temperature by considering the influence of internal variables such as radius, mass, electric charge, angular momentum, and cosmological constant. The research method involves mathematical analysis and computational modeling based on the modified Hawking temperature equation. The results show that the modified Hawking temperature produces non-linear corrections that show the interaction between black holes and the quantum structure of spacetime. graphical representations visualize the variation of Hawking temperature with changes in area, electric charge, angular momentum, and cosmological parameters. The implications of the research extend to the understanding of the thermal properties of black holes in the context of gravitational and quantum theories. The research identifies gaps in the knowledge of the effects of cosmological parameters on black hole thermodynamics and introduces Hawking temperature modifications that have not been mapped in detail before. The study concludes that the Hawking temperature modification provides a strong foundation for further research in black hole physics, particularly in the effect of physical and cosmological parameters on the thermal properties of black holes
The INoSIT (Integration Nature of Science in Inquiry with Technology) Model to Enhance the Scientific Literacy Skills of Junior High School Students: Development of Student Worksheet-Based Flip PDF Professional
Full text linkThe research's goal was to create student worksheets based on the INoSIT model with the help of Flip PDF Professional that met the criteria for validity, applicability, and effectiveness to improve junior high school students' scientific literacy competence. The study adopted a research and development (R&D) design with a 4-D model. The student worksheets were tested at Junior High School 10 Kendari using one-group pretest-posttest design involving science teachers as observers. The research subjects for the limited trial were 15 students, and the extensive test was conducted with 27 students. Three validators provided personal validation of the student worksheets, which led to the collection of practicality data through observation sheets on the application of learning, student activities, teacher and student response questionnaires, and effectiveness data through science literacy test instruments. The research showed that the INoSIT model student worksheets fell into valid and reliable categories. For the limited and extensive trials, the n-gain <g> analysis results on measures of science literacy, like being able to explain scientific phenomena, were 0.632 and 0.712, respectively. This means that they were in the moderate to high category. Furthermore, regarding evaluating and designing scientific inquiries, the average normalized gain was 0.541–0.580, indicating an intermediate category. Similarly, on the indicators of interpreting data and scientific evidence, the average normalized gain was 0,510-0,572, indicating a moderate category. Based on this data, the INoSIT model student worksheets were considered practical and effective in improving the scientific literacy competence of junior high school students
Impressive Analysis of High School Students' Abilities in Physics Measurement Materials of the New Indonesian-Paradigm Curriculum Via the Rasch Model
Full text linkThe extent of students' abilities is an important thing to consider because it is part of the learning process. This research analyzes students' abilities in the subject matter measurement physics. Tools that are used is a ministep Rasch analysis. Descriptive quantitative was used in the study by providing an overview of the student's results and supported by data in the form of numbers from Rasch analysis. A total of 14 participant students as respondents in this research with the criteria of having received physics and measurement materialize Merdeka Curriculum in his learning. The results of this research state that ability learners are still classified as low, although it has obtained that material, while Cronbach's alpha index (0.62) is in the moderate category. Besides that, suitability questions for students still need to be classified as low. That way, it is important to balance the equations with students' abilities or vice versa. In the future, study continuation is required to increase students' abilities. According to the claim from the Merdeka Curriculum, it is learning more about the essentials
Thinking Actively in Social and Context Flipped Classroom Learning in Physics of Work and Energy to Improve Students' Critical Thinking, Self-Efficacy and Character Compassion
Full text linkThis study aims to understand, describe, analyze, and measure the increase of critical thinking skills, self-efficacy and the character compassion due to the application of the flipped classroom online learning model equipped by thinking actively in social and context (TASC). This work is quasi-experimental research using the quantitative analysis. Data was collected from several techniques, consist of observation, tests, non-test and documentation. The validity of the data in this study used normality and homogeneity tests, and hypothesis testing using t-test. The results show that the critical thinking ability obtained t-count value 1.988 with a significance 0.052, that means the average critical thinking ability of the experimental group is higher than that of control group. Then, the self-efficacy component, a t-count value of 1.843 was obtained with a significance of 0.068, which means that the average self-efficacy ability of the experimental group is higher than that of the control group. The t-count value of the character compassion component is 1.910 with a significance of 0.058, which means that the average of character compassion ability of the experimental group is higher than to that of the control group. The results of the study showed that the TASC flipped classroom online learning model in physics of work and energy matter can improve critical thinking skills, self-efficacy and character compassion of the students on senior high school
The Design and Validation of the Four Tier Test Instrument for Energy Literacy Using the Rasch Model Analysis
Full text linkThe science education curriculum needs to contain content on environmental issues including energy and its use as an effort to equip prospective physics teacher students with knowledge about the importance of reducing the impact of energy use. For this reason, it is important to measure energy literacy knowledge in prospective physics teacher students. This study aims to design and validate a four-tier test instrument to measure the energy literacy knowledge of prospective physics teacher students. The test instrument format used is a four-tier test. This test model has the advantage of being able to capture more accurate information with various answer patterns. The stages of developing this test used the design-based research model which consisted of five stages, namely developing an assessment framework, designing items, developing rubrics, conducting tests, and applying the Racsh Model analysis. The application of the Racsh Model analysis aims to obtain a valid and reliable test instrument with the Item Response Theory (IRT) approach assisted by the Winsteps program. The research method used is a descriptive-exploratory method to describe the results of the development and validation of the Four Tier test to measure Energy Literacy for prospective physics teacher student. The validation of the test was carried out through an assessment by five experts to assess the construct and content of the test instrument. The results of the item validation showed that the questions were acceptable in all aspects. The conclusion is that the test with four-tier format is suitable for identifying the knowledge of prospective physics teacher students about Energy Literacy. The four tier test model in exploring the energy literacy abilities of prospective teacher students can basically also be applied to students at the elementary school, middle school and high school levels. However, the complexity of the content tested needs to be adjusted to the existing curriculum at each level
The Use of Scaffolding in Physics Learning: A Systematic Review
Full text linkThe scaffolding strategy has been researched in 17 countries around the world regarding its effectiveness in helping improve students' competence in learning. This strategy is implemented directly with the learning model and integrated into physics learning media. The purpose of this study is to provide a description of research trends, methods, and findings on the use of scaffolding in the physics learning process. Systematic Literature Review (SLR) is the method of this research. Article data in the last 6 years (2018–2023) was collected from the Scopus database with the help of the Publish or Perish (PoP) 7 program and the Science Direct database. There were 52 articles selected using the PRISMA technique. Future research has the opportunity to develop learning media that contain scaffolding strategies to support a meaningful physics learning process. The focus of future research can lead to increased learner independence and 21st century skills through scaffolding strategies implemented in various forms of learning media development
Concept Understanding and Causes of Student Misconceptions on Simple Harmonic Motion
Full text linkThis study aims to evaluate the profile of students' misconceptions and their causes when learning simple harmonic motion. Five tier multiple choice diagnostic test with 20 questions has been for determination of the misconceptions and their causes. The descriptive method with quantitative approach was used in this exploration. There were 177 high school pupils in the sample data collection for this study. This study used the following sample was a purposive sample, that is high level and low level schools based on the average physics exam scores obtained from physics teachers at the high school level. Overall, students' concept getting to know simple harmonic motion material falls into the low category. The greatest concept understanding is found in high-level schools. Students' misconceptions in physics lessons based on simple material on harmonic motion overall fall into the medium category. The largest misunderstanding occur in high-level schools. Students' misconceptions in learning physics on simple harmonic motion material as a whole fall into the medium category. The biggest misconceptions occur in high-level schools. Where the highest misconceptions are highest in the concept of deviation, velocity and acceleration of simple harmonic motion. The more dominant cause of misunderstanding at both school levels is students' personal thoughts, followed by teachers, the internet, books, and friends
The Effect of E-LKPD Based on Physics Toolbox Sensor Suite on Simple Harmonic Motion Material on High School Students' Understanding of Physics Concepts
Full text linkThis research aims to determine the effect of Digital-Worksheet (E-LKPD) with the Physics Toolbox Sensor Suite on understanding physics concepts of high school students in South Lampung, Lampung. A total of 60 students were involved in this research and were divided into two classes, namely the experimental and control classes. Data were analyzed using n-gain, independent sample t-test, and effect size. The research results showed that the average N-gain in the experimental class was 0.73 in the high category, while it was 0.58 in the medium category in the control class. There was a significant difference in n-gain in understanding concepts (sig.2-tailed < 0.05) between the experimental and control classes. This result is also reinforced by the effect size, which is very high, namely 1.319. This shows that the E-LKPD with the Physics Toolbox Sensor Suite is able to improve understanding of physics concepts, especially regarding Vibration. E-LKPD with the Physics Toolbox Sensor Suite can help students understand concepts, improve work activities, and reduce misconceptions
The Use of Inquiry-Based Mobile Pocket Book on Students’ Knowledge Based on Critical Thinking Skills on Global Warming
Full text linkThe purpose of this study was to analyze: (1) differences in the effect of using learning media mobile pocket book and electronic book on student knowledge learning outcomes on Global Warming material, (2) differences in the effect of critical thinking skills with high and low categories on student knowledge learning outcomes on Global Warming material, (3) interaction between learning media mobile pocket book and electronic book with critical thinking skills on student knowledge learning outcomes on Global Warming material. This study used a quasi-experimental method with a sample of grade XI students’ divided into two classes. The data analysis technique used was Kruskal-Wallis Test. The results showed: (1) there is a difference in the effect of using learning media mobile pocket book and electronic book on student knowledge learning outcomes, (2) there is no difference in the effect of critical thinking skills with high and low categories on student knowledge learning outcomes on Global Warming material, (3) there is an interaction between learning media mobile pocket book and electronic book with critical thinking skills on student knowledge learning outcomes on Global Warming material
Systematic Literature Review: The Role of Physics in Implementing Disaster Alert Schools in Yogyakarta
Full text linkSchool Standby Disaster became a program initiated by BPBD in the Special Region of Yogyakarta for prepare participant educate in face disaster. Aim from study this is for give a systematic literature review (SLR) that will help identify application School Standby Disaster in the Special Region of Yogyakarta through study previously relevant. There are 7 articles reviewed and 5 schools Standby The disaster that was in DIY was made object research. Based on results study show that not yet there is research conducted at high school / equivalent and which integrates mitigation disaster in physics