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Physics Communication
Published by Universitas Negeri Semarang
ISSN : 25285971     EISSN : 2528598X     DOI : https://doi.org/10.15294/physcomm
Core Subject : Science,
Physics
Physics Communication is devoted to reporting important new developments in the area of physics. Papers cover the fields of: atomic and molecular physics condensed matter and theory of statistical physics nuclear theory fluid theory and plasmas elementary particle physics and quantum field theory quantum mechanics and quantum optics theoretical astrophysics cosmology relativity Certain new interdisciplinary subjects such as theoretical biophysics, mathematical physics and computational physics are also incorporated.
Arjuna Subject : Fisika dan Astronomi - Fisika dan Astronomi (Lain-Lain)
Articles 12 Documents
 1   2 
Search results for , issue "Vol 4, No 1 (2020): February 2020" : 12 Documents clear
Conceptual Problem Solving and Student's Empirical Inductive Reasoning in Elasticity Subject Mulyati, Restina Muji; Nugroho, Sunyoto Eko; Sulhadi, Sulhadi
Physics Communication Vol 4, No 1 (2020): February 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i1.26408

Abstract

Conceptual problem solving skills are one of the factors for student success in learning physics. Problem solving skills have a close relationship with reasoning skills. This study aims to analyze conceptual problem solving and student’s empirical inductive reasoning in learning physics in elasticity subject. This study used a quasi-experimental method with a one-shot case study research design. The research data were obtained from written tests. For conceptual problem solving skills, the average score percentage for principle aspects was 50.79%, justification aspects 3.17%, and plan aspects 38.49%. The results showed that the aspects of student justification in the elasticity subject were still low. Students have not been able to provide a complete explanation of why a principle or law of physics applies to a problem. For empirical inductive reasoning skills, the percentage score for the class inclusion pattern average was 31%, the conservation pattern was 10%, and the serial ordering pattern was 38%. Students have not been able to apply conservation thinking to an object, meaning that students do not understand that if nothing is added or removed from an object, then the properties or characteristics of the object will remain the same even though their appearance is different. The research results are expected to provide benefits, namely: (1) for students, as motivation to improve learning performance so that good learning outcomes are achieved, and (2) for teachers, as a basis for applying appropriate learning methods to develop student’s conceptual problem solving and empirical inductive reasoning skills.
The Use of Video as Teaching Media to Improve SMPN 1 Wonosalam Student Understanding on The Topic of Simple Machine Millah, Isna Lukluil; Ellianawati, Ellianawati
Physics Communication Vol 4, No 1 (2020): February 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i1.11789

Abstract

The purpose of this research is to investigate the understanding of physics concept on the topic of simple machine through the application of learning media assisted discovery model. This pre- experimental study used pre-test – post-test. The sample of the research is the students of class VIIIG SMP Negeri 1 Wonosalam Demak academic year 2019/2020. The concept comprehension test results were analyzed using the n-gain test of the mean score and interview questionnaire. The average value of pretest 54 and the average post-test score increased to 87. The gain test results showed the high category. It was concluded that discovery-assisted learning model of video media teaching materials improved the student’s understanding of the concept of simple machine topic.
Modification of The Gasik Game version 2.0 to improve 21st Century Skills for Junior High School Haya, Frilisa Dliyaul; Hartono, Hartono; Sulhadi, Sulhadi
Physics Communication Vol 4, No 1 (2020): February 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i1.29271

Abstract

The 21st-century skill standards in Indonesia include 4Cs (critical thinking, creativity, communication, and collaboration); ICTs (Information, Media and Technology Skills); Character Building; and Spiritual Value. All 21st-century skills need to be possessed by students as a provision to face all the challenges of life. Therefore, we need a guide who can instill all skills. The purpose of this study was to improve the students' 21st-century skills.  The 21st-century skills in this study focused on increasing 4Cs skills. The development model used is Analyze, Design, Develop, Implement, and Evaluate (ADDIE Model). Research subjects were 75 eighth-grade students of junior high school. Data collection method used was an experimental method. Data collection used a product assessment questionnaire, an observation rubric of 21st-century skills, and tests. Meanwhile, the product content validity test uses the v Aiken index. The modified Gasik game (Gasik version 2.0) received ratings from the experts on the material aspect of 83.68% and in the media aspect of 87.61%.  The value of the content validity v Aiken is 0.82 with a high category so that the Gasik 2.0 game can be stated as very good to be applied to 21st-century learning. The n-gain value between the pretest and posttest values in the experimental class is 0.12, while in the control class is -0.01. The results of the analysis indicate that the use of the Gasik 2.0 game can grow 4Cs skills with low categories.
Multimedia-Based Discovery Learning Approach to Improve Critical Thinking Skills and Student Learning Outcomes Yuniarti, Nenik; Ellianawati, Ellianawati
Physics Communication Vol 4, No 1 (2020): February 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i1.11890

Abstract

The purpose of this study was conducted to determine the increase in critical thinking skills and student learning outcomes in multimedia-based elasticity learning and discovery learning. The type of research used is action class research with 3 cycles. Each cycle consists of 4 stages, namely planning (action), action (action), observation (observation) and reflection. The sample used was class XI IPA 2 SMA Negeri 2 Pekalongan. The critical thinking skills of students in cycle 1 are still in the low category, but the positive behavior of students has begun to appear. The participation of students in discussions increases. Critical thinking skills in cycle 2 increased with good categories. Students who are usually lazy have started to join the discussion. The increase in critical thinking skills occurred in the third cycle with the very good category, because in this cycle the discussion groups were divided based on the peer tutor principle. The percentage of student learning outcomes also increased to 74%. This increase can be seen in the acquisition of a gain value of 0.55 in the medium category. Multimedia-based learning with discovery learning models can be applied in learning physics so that it can improve student learning skills and outcomes
Development of a Five-Tier Diagnostic Test to Reveal the Student Concept in Fluids Setiawan, Doni; Eko Nugroho, Sunyoto; Made Darma Putra, Ngurah
Physics Communication Vol 4, No 1 (2020): February 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i1.21181

Abstract

This study aims to develop a five-tier form of fluid misconception diagnostic assessment and to reveal the profile of student’s conceptual understanding in maritime-based schools in the city of Tegal. This study used a 4D model (defining, designing, developing, and disseminating). The sampling technique used purposive sampling. The research samples were Bahari Vocational School Tegal, Al Maarif Vocational School Tegal, and Nahdlatul Ulama Senior High School Tegal. Methods of data collection used documentation, questionnaires, tests, and interviews. Expert validation states that the instrument was valid, has good readability, was easy to understand, and the sentence structure was correct. The reliability of the instrument is 0.958 and declared reliable. A total of 39 questions were categorized as medium, and one question was easy. The discrimination power of the questions obtained was that 30 questions were accepted, eight questions were received with a little improvement, and one question needed improvement. Seventy student misconceptions were identified from seven fluid sub-concepts. The biggest misconception, as much as 46.5% was found in the buoyancy sub-concept, while the smallest misconception was found in the application of Pascal's law at 35.2%. The most dominant misconception is that the deeper a point in the fluid is, the greater the buoyancy. Students assume that the greater the depth, the greater the fluid pressure, so that the buoyancy force is greater. Students believe that buoyancy is influenced by fluid pressure. This misconception is influenced by conceptual appreciation and intuition in daily life.
Analysis of Creative Thinking Skill and Student Learning Interest through Mind Mapping Based Creative Problem-Solving Learning Model Meiarti, Devi; Wiyanto, Wiyanto; Yulianti, Ian
Physics Communication Vol 4, No 1 (2020): February 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i1.23846

Abstract

Creative thinking skill is one of the most important skills in the learning process in 21st century. Creative thinking skills influenced by student’s learning interest. Therefore, creative thinking and learning interest must be cultivated through a proper learning process. This research aims to analyze student’s creative thinking skills and learning interest through mind mapping-based creative problem solving learning models. This research method used mixed methods with a sequential explanatory design. The population of this research was all students of class X with 30 students as the sample. The instrument used an essay test for creative thinking, an interview sheet, and learning interest questionnaire. The results of the n-gain alalysis showed an increase for each indicator of the creative thinking skills with an average of 71.73 included in the high criteria. As for the percentage of student’s learning interest is 79.17% which is included in good criteria. The results of the interview showed that there was different creative thinking patterns for each category where students in solving problems tended to begin by understanding the problem, linking scientific theory with their own knowledge, then developing it based on experience and reasoning. However, seen from the answers and interview results, students with very high creative thinking skills are better at providing ideas or conclusions than students with high, medium, and low categories. The results of the correlation analysis showed that there was a positive and significant relationship between student’s learning interest and four indicators of creative thinking skills.
Development of a Five-Tier Diagnostic Test to Reveal the Student Concept in Fluids
Physics Communication Vol 4, No 1 (2020): February 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i1.21181

Abstract

This study aims to develop a five-tier form of fluid misconception diagnostic assessment and to reveal the profile of student’s conceptual understanding in maritime-based schools in the city of Tegal. This study used a 4D model (defining, designing, developing, and disseminating). The sampling technique used purposive sampling. The research samples were Bahari Vocational School Tegal, Al Maarif Vocational School Tegal, and Nahdlatul Ulama Senior High School Tegal. Methods of data collection used documentation, questionnaires, tests, and interviews. Expert validation states that the instrument was valid, has good readability, was easy to understand, and the sentence structure was correct. The reliability of the instrument is 0.958 and declared reliable. A total of 39 questions were categorized as medium, and one question was easy. The discrimination power of the questions obtained was that 30 questions were accepted, eight questions were received with a little improvement, and one question needed improvement. Seventy student misconceptions were identified from seven fluid sub-concepts. The biggest misconception, as much as 46.5% was found in the buoyancy sub-concept, while the smallest misconception was found in the application of Pascal's law at 35.2%. The most dominant misconception is that the deeper a point in the fluid is, the greater the buoyancy. Students assume that the greater the depth, the greater the fluid pressure, so that the buoyancy force is greater. Students believe that buoyancy is influenced by fluid pressure. This misconception is influenced by conceptual appreciation and intuition in daily life.
Analysis of Creative Thinking Skill and Student Learning Interest through Mind Mapping Based Creative Problem-Solving Learning Model
Physics Communication Vol 4, No 1 (2020): February 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i1.23846

Abstract

Creative thinking skill is one of the most important skills in the learning process in 21st century. Creative thinking skills influenced by student’s learning interest. Therefore, creative thinking and learning interest must be cultivated through a proper learning process. This research aims to analyze student’s creative thinking skills and learning interest through mind mapping-based creative problem solving learning models. This research method used mixed methods with a sequential explanatory design. The population of this research was all students of class X with 30 students as the sample. The instrument used an essay test for creative thinking, an interview sheet, and learning interest questionnaire. The results of the n-gain alalysis showed an increase for each indicator of the creative thinking skills with an average of 71.73 included in the high criteria. As for the percentage of student’s learning interest is 79.17% which is included in good criteria. The results of the interview showed that there was different creative thinking patterns for each category where students in solving problems tended to begin by understanding the problem, linking scientific theory with their own knowledge, then developing it based on experience and reasoning. However, seen from the answers and interview results, students with very high creative thinking skills are better at providing ideas or conclusions than students with high, medium, and low categories. The results of the correlation analysis showed that there was a positive and significant relationship between student’s learning interest and four indicators of creative thinking skills.
Conceptual Problem Solving and Student's Empirical Inductive Reasoning in Elasticity Subject
Physics Communication Vol 4, No 1 (2020): February 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i1.26408

Abstract

Conceptual problem solving skills are one of the factors for student success in learning physics. Problem solving skills have a close relationship with reasoning skills. This study aims to analyze conceptual problem solving and student’s empirical inductive reasoning in learning physics in elasticity subject. This study used a quasi-experimental method with a one-shot case study research design. The research data were obtained from written tests. For conceptual problem solving skills, the average score percentage for principle aspects was 50.79%, justification aspects 3.17%, and plan aspects 38.49%. The results showed that the aspects of student justification in the elasticity subject were still low. Students have not been able to provide a complete explanation of why a principle or law of physics applies to a problem. For empirical inductive reasoning skills, the percentage score for the class inclusion pattern average was 31%, the conservation pattern was 10%, and the serial ordering pattern was 38%. Students have not been able to apply conservation thinking to an object, meaning that students do not understand that if nothing is added or removed from an object, then the properties or characteristics of the object will remain the same even though their appearance is different. The research results are expected to provide benefits, namely: (1) for students, as motivation to improve learning performance so that good learning outcomes are achieved, and (2) for teachers, as a basis for applying appropriate learning methods to develop student’s conceptual problem solving and empirical inductive reasoning skills.
The Use of Video as Teaching Media to Improve SMPN 1 Wonosalam Student Understanding on The Topic of Simple Machine
Physics Communication Vol 4, No 1 (2020): February 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i1.11789

Abstract

The purpose of this research is to investigate the understanding of physics concept on the topic of simple machine through the application of learning media assisted discovery model. This pre- experimental study used pre-test – post-test. The sample of the research is the students of class VIIIG SMP Negeri 1 Wonosalam Demak academic year 2019/2020. The concept comprehension test results were analyzed using the n-gain test of the mean score and interview questionnaire. The average value of pretest 54 and the average post-test score increased to 87. The gain test results showed the high category. It was concluded that discovery-assisted learning model of video media teaching materials improved the student’s understanding of the concept of simple machine topic.

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