In the development of student oriented learning models to improve students' physics problem solving ability aims to develop a student-oriented learning model consisting of a syllabus, lesson plans, student worksheet and problem solving ability evaluation tools (KPM). This study uses a research and development type with a 4D model research design, namely Define, Design, Develop, and Desseminate. At the Define stage, curriculum analysis, student ability analysis, task analysis, concept analysis and analysis of learning objectives are carried out. The design stage is carried out by designing the learning device. At the Develop stage, product manufacturing, product expert validation, product revisions, testing of problem-solving ability evaluation tools were carried out, while at the Desseminate stage there was no product distribution on the grounds that it was still in the COVID 19 pandemic. The try out was conducted on a research sample (30 students) class XI MIPA4 SMA Negeri 2 Mataram which was conducted online. The results of the expert validator analysis of the student oriented learning model obtained valid results. Reliability and validity tests of the problem solving ability evaluation (KPM) instrument obtained reliable and valid results. Based on these findings, it can be concluded that the learning tools and problem solving ability evaluation tools are feasible to be applied to classroom learning.
{"title":"Pengembangan Model Pembelajaran Student Oriented dalam Meningkatkan Kemampuan Pemecahan Masalah Fisika Peserta Didik","authors":"Syahrial Ayub, Gusti Afifah, I. Gunada","doi":"10.29408/kpj.v4i2.2621","DOIUrl":"https://doi.org/10.29408/kpj.v4i2.2621","url":null,"abstract":"In the development of student oriented learning models to improve students' physics problem solving ability aims to develop a student-oriented learning model consisting of a syllabus, lesson plans, student worksheet and problem solving ability evaluation tools (KPM). This study uses a research and development type with a 4D model research design, namely Define, Design, Develop, and Desseminate. At the Define stage, curriculum analysis, student ability analysis, task analysis, concept analysis and analysis of learning objectives are carried out. The design stage is carried out by designing the learning device. At the Develop stage, product manufacturing, product expert validation, product revisions, testing of problem-solving ability evaluation tools were carried out, while at the Desseminate stage there was no product distribution on the grounds that it was still in the COVID 19 pandemic. The try out was conducted on a research sample (30 students) class XI MIPA4 SMA Negeri 2 Mataram which was conducted online. The results of the expert validator analysis of the student oriented learning model obtained valid results. Reliability and validity tests of the problem solving ability evaluation (KPM) instrument obtained reliable and valid results. Based on these findings, it can be concluded that the learning tools and problem solving ability evaluation tools are feasible to be applied to classroom learning.","PeriodicalId":82301,"journal":{"name":"Phi Kappa Phi journal","volume":"9 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72902488","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
This research is a development research that aims to produce a modern physics learning tool with guided inquiry model assisted by virtual media. The development of this learning tool is carried out using the 4D model which consists of 4 development stages, namely the definition stage, the design stage, the develop stage, and the deseminate stage. The definition stage is carried out to identify problems, the design stage is carried out in the form of designing a guided inquiry learning device, and the dissemination stage is carried out in the form of distributing learning tools to physics education lecturers. The learning tools developed were syllabus, leasson plan, student worksheet, and tests of students' scientific creativity and science process skills. The use of learning tools with a guided inquiry model assisted by virtual media aims to help students' scientific creativity and science process skills. However, in this paper, it is focused on the validation test process through validation tests on developing the tools that are made. The final result of this research is to produce a product development of instructional models assisted inquiry model with virtual media that is valid and suitable for use.
{"title":"Validasi Perangkat Pembelajaran Fisika Modern dengan Model Inkuiri Terbimbing Berbantuan Media Virtual untuk Meningkatkan Kreativitas Ilmiah dan Keterampilan Proses Sains Mahasiswa","authors":"S. Susilawati, A. Doyan, Muh. Makhrus, S. Hakim","doi":"10.29408/kpj.v4i2.2524","DOIUrl":"https://doi.org/10.29408/kpj.v4i2.2524","url":null,"abstract":"This research is a development research that aims to produce a modern physics learning tool with guided inquiry model assisted by virtual media. The development of this learning tool is carried out using the 4D model which consists of 4 development stages, namely the definition stage, the design stage, the develop stage, and the deseminate stage. The definition stage is carried out to identify problems, the design stage is carried out in the form of designing a guided inquiry learning device, and the dissemination stage is carried out in the form of distributing learning tools to physics education lecturers. The learning tools developed were syllabus, leasson plan, student worksheet, and tests of students' scientific creativity and science process skills. The use of learning tools with a guided inquiry model assisted by virtual media aims to help students' scientific creativity and science process skills. However, in this paper, it is focused on the validation test process through validation tests on developing the tools that are made. The final result of this research is to produce a product development of instructional models assisted inquiry model with virtual media that is valid and suitable for use.","PeriodicalId":82301,"journal":{"name":"Phi Kappa Phi journal","volume":"1080 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76697923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
This study aims to determine the effect of derivative and integral mastery on the learning achievement of physics class XI IPA students on motion kinematics material. The population of this study were all students of class XI IPA at Madrasah Aliyah NW Kotaraja, amounting to 36 people. The research method used is the Ex Post Facto method, by not providing treatment but directly conducting evaluations related to students 'abilities in motion kinematics material and also students' abilities related to inherited and integral abilities. The data analysis technique used is regression analysis. From the results of the analysis, it is found that Freg-count = 4.282 and Freg-table = 4.130 (Freg-count> Freg-table), the conclusion of this study is that the derivative and integral mastery affects students' physics learning achievement on the subject of motion kinematics.
使用的研究方法是Ex Post Facto方法，不提供治疗，而是直接对学生在运动运动学材料方面的能力以及学生在遗传能力和整体能力方面的能力进行评估。使用的数据分析技术是回归分析。从分析结果中可以发现，Freg-count = 4.282, Freg-table = 4.130 (Freg-count> Freg-table)，本研究的结论是，导数和积分的掌握影响了学生在运动运动学科目上的物理学习成绩。
{"title":"Pengaruh Penguasaan Matematika Terhadap Prestasi Belajar Siswa Pada Pokok Bahasan Kinematika Gerak","authors":"Tsamarul Hizbi, Badrul Wajdi, Fartina Fartina","doi":"10.29408/kpj.v4i2.2971","DOIUrl":"https://doi.org/10.29408/kpj.v4i2.2971","url":null,"abstract":"This study aims to determine the effect of derivative and integral mastery on the learning achievement of physics class XI IPA students on motion kinematics material. The population of this study were all students of class XI IPA at Madrasah Aliyah NW Kotaraja, amounting to 36 people. The research method used is the Ex Post Facto method, by not providing treatment but directly conducting evaluations related to students 'abilities in motion kinematics material and also students' abilities related to inherited and integral abilities. The data analysis technique used is regression analysis. From the results of the analysis, it is found that Freg-count = 4.282 and Freg-table = 4.130 (Freg-count> Freg-table), the conclusion of this study is that the derivative and integral mastery affects students' physics learning achievement on the subject of motion kinematics.","PeriodicalId":82301,"journal":{"name":"Phi Kappa Phi journal","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73953814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The purpose of writing this article is to explain the application of online based learning using the Zoom Cloud Mettng application during the COVID-19 pandemic. The writing of this article uses a qualitative method of literature review by collecting data in the form of secondary data obtained from various sources such as articles, notes, or other scientific sources. The data collected is then analyzed inductively. Based on the literature review, data analysis, and discussion, it can be concluded that the Zoom Cloud Metting application is an effective medium used in the learning process during the COVID-19 pandemic because it is able to facilitate educators and learning to be able to interact while continuing to prioritize health protocols during the pandemic COVID-19, namely Physical Distancing or maintaining distance.
{"title":"Penggunaan Aplikasi Zoom Cloud Meeting pada Mata Kuliah Mekanika dan Termostatistika saat Pandemi COVID-19","authors":"Dedi Riyan Rizaldi, Ziadatul Fatimah","doi":"10.29408/kpj.v4i2.2237","DOIUrl":"https://doi.org/10.29408/kpj.v4i2.2237","url":null,"abstract":"The purpose of writing this article is to explain the application of online based learning using the Zoom Cloud Mettng application during the COVID-19 pandemic. The writing of this article uses a qualitative method of literature review by collecting data in the form of secondary data obtained from various sources such as articles, notes, or other scientific sources. The data collected is then analyzed inductively. Based on the literature review, data analysis, and discussion, it can be concluded that the Zoom Cloud Metting application is an effective medium used in the learning process during the COVID-19 pandemic because it is able to facilitate educators and learning to be able to interact while continuing to prioritize health protocols during the pandemic COVID-19, namely Physical Distancing or maintaining distance.","PeriodicalId":82301,"journal":{"name":"Phi Kappa Phi journal","volume":"55 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88181047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. N. R. Jauhariyah, K. Syahidi, Eti Sukadi, W. Fadly
This study aims to examine the concept of the nature of science (NOS) and attitudes towards teaching the NOS. The research used the View on Science Education (VOSE) instrument that was developed by Chen (valid and reliable) which online distributed to students of Physics Education Program from Surabaya State University and IKIP PGRI Pontianak, as well as students of Science Program from IAIN Ponorogo. The survey research method was conducted to determine the profile of students’ views on the NOS and science education. Respondents who filled out the research questionnaire were 102 students. Based on the survey results, the VOSE profile was obtained that the Science-Physics students had difficulty conceptualizing the general picture of VOSE because in some aspects of NOS it appeared that students experienced confusion.Science-Physics students have a positive attitude towards teaching NOS in terms of tentativeness, aspect of the nature of observation, as well as aspect of theory and law.However, Science-Physics students have negative attitudes towards teaching NOS in the aspect of the scientific method. Thus, the implication of this research requires that Science-Physics students learn and further research about the concept of NOS in order to have a correct understanding.
{"title":"View On Science and Education (VOSE): Studi Terhadap Mahasiswa Program S1 IPA-Fisika","authors":"M. N. R. Jauhariyah, K. Syahidi, Eti Sukadi, W. Fadly","doi":"10.29408/KPJ.V4I2.2873","DOIUrl":"https://doi.org/10.29408/KPJ.V4I2.2873","url":null,"abstract":"This study aims to examine the concept of the nature of science (NOS) and attitudes towards teaching the NOS. The research used the View on Science Education (VOSE) instrument that was developed by Chen (valid and reliable) which online distributed to students of Physics Education Program from Surabaya State University and IKIP PGRI Pontianak, as well as students of Science Program from IAIN Ponorogo. The survey research method was conducted to determine the profile of students’ views on the NOS and science education. Respondents who filled out the research questionnaire were 102 students. Based on the survey results, the VOSE profile was obtained that the Science-Physics students had difficulty conceptualizing the general picture of VOSE because in some aspects of NOS it appeared that students experienced confusion.Science-Physics students have a positive attitude towards teaching NOS in terms of tentativeness, aspect of the nature of observation, as well as aspect of theory and law.However, Science-Physics students have negative attitudes towards teaching NOS in the aspect of the scientific method. Thus, the implication of this research requires that Science-Physics students learn and further research about the concept of NOS in order to have a correct understanding.","PeriodicalId":82301,"journal":{"name":"Phi Kappa Phi journal","volume":"36 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80543485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The research has been done using geoelectric resistivity method to estimate the volume of Manganese (Mn) carrier rock in Empol sub-village, Central Sekotong Village, West Lombok NTB. Measurements was conducted with the Wenner configuration using a Resistivity Meter G-Sound GL - 4100. Data was modeled and calculated using three software, there are Res2Dinv 3.5, Surfer 10, and Rockwork 15. The rocks that regarded as carrier mangaan is pyrolusite manganese (Mn02). The description and distribution of MnO2 can be determined from the results of 2-dimension modeling using Res2Dinv. Mn02 was detected in almost all resistivity line with value around 0,023 m up to 9,8 m. From the 3-dimension visualization processed using RockWorks 15 software, we obtained volume of pirolusit about 38,199 m3 of area 160,000 m2 and 100 m of thickness.
{"title":"Estimation Of Mangaan Carrier Rock Volume Using Geoelectric Method In Empol Sub-Village, West Lombok Regency","authors":"Dieni Haryati Utami, A. T. Alaydrus, S. Minardi","doi":"10.29408/kpj.v4i2.2731","DOIUrl":"https://doi.org/10.29408/kpj.v4i2.2731","url":null,"abstract":"The research has been done using geoelectric resistivity method to estimate the volume of Manganese (Mn) carrier rock in Empol sub-village, Central Sekotong Village, West Lombok NTB. Measurements was conducted with the Wenner configuration using a Resistivity Meter G-Sound GL - 4100. Data was modeled and calculated using three software, there are Res2Dinv 3.5, Surfer 10, and Rockwork 15. The rocks that regarded as carrier mangaan is pyrolusite manganese (Mn02). The description and distribution of MnO2 can be determined from the results of 2-dimension modeling using Res2Dinv. Mn02 was detected in almost all resistivity line with value around 0,023 m up to 9,8 m. From the 3-dimension visualization processed using RockWorks 15 software, we obtained volume of pirolusit about 38,199 m3 of area 160,000 m2 and 100 m of thickness.","PeriodicalId":82301,"journal":{"name":"Phi Kappa Phi journal","volume":"26 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73392811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Muh. Makhrus, Syahrial Ayub, W. Wahyudi, Nnsp Verawati, A. Busyairi
This study aims to train students' critical thinking skills during the learning process using CCM-CCA assisted by virtual experiments. The material used for research in optics. This type of research uses a quantitative approach. The subjects in the research were 30 physics education students at a university in NTB. The ability to think critically during the learning process is trained with student worksheets equipped with instruments for critical thinking. Learning is carried out for 3 meetings. The results showed that there was an increase in students 'critical thinking skills from the low category with an average score of 38 to the high category with an average score of 75. This fact shows that CCM-CCA learning assisted with virtual experiments can train and even improve students' critical thinking skills in Optical material.
{"title":"Kemampuan Berpikir Kritis Mahasiswa Pada Materi Optik Saat Proses Pembelajaran Dengan CCM-CCA Berbantuan Eksperimen Virtual","authors":"Muh. Makhrus, Syahrial Ayub, W. Wahyudi, Nnsp Verawati, A. Busyairi","doi":"10.29408/kpj.v4i2.2632","DOIUrl":"https://doi.org/10.29408/kpj.v4i2.2632","url":null,"abstract":"This study aims to train students' critical thinking skills during the learning process using CCM-CCA assisted by virtual experiments. The material used for research in optics. This type of research uses a quantitative approach. The subjects in the research were 30 physics education students at a university in NTB. The ability to think critically during the learning process is trained with student worksheets equipped with instruments for critical thinking. Learning is carried out for 3 meetings. The results showed that there was an increase in students 'critical thinking skills from the low category with an average score of 38 to the high category with an average score of 75. This fact shows that CCM-CCA learning assisted with virtual experiments can train and even improve students' critical thinking skills in Optical material.","PeriodicalId":82301,"journal":{"name":"Phi Kappa Phi journal","volume":"47 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83252830","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Inetractive learning media is a medium that can help students and teachers in learning. This study aims to see the role of science teachers in the use of instructional media. This type of research is qualitative non-experimental. The population of this study were students of SMPN 2 Singai Aur Pasaman Barat. Sampling using purposive sampling. Data were collected through a questionnaire with 2 indicators. Based on data analysis using statistical data in the form of percentages and relative frequencies, it was found that the indicator of teacher control of the media used had a score of 94.61% and the media indicators used were good, efficient, and could attract the attention of students in the learning process 88.31% so that it could be concluded that the role of science teachers in the use of interactive learning media has a score of 91.46% with a good category.
{"title":"Peran Guru IPA dalam Pemanfaatan Media Pembelajaran Interaktif","authors":"El Basthoh, Novyta Novyta","doi":"10.29408/kpj.v4i2.2838","DOIUrl":"https://doi.org/10.29408/kpj.v4i2.2838","url":null,"abstract":"Inetractive learning media is a medium that can help students and teachers in learning. This study aims to see the role of science teachers in the use of instructional media. This type of research is qualitative non-experimental. The population of this study were students of SMPN 2 Singai Aur Pasaman Barat. Sampling using purposive sampling. Data were collected through a questionnaire with 2 indicators. Based on data analysis using statistical data in the form of percentages and relative frequencies, it was found that the indicator of teacher control of the media used had a score of 94.61% and the media indicators used were good, efficient, and could attract the attention of students in the learning process 88.31% so that it could be concluded that the role of science teachers in the use of interactive learning media has a score of 91.46% with a good category.","PeriodicalId":82301,"journal":{"name":"Phi Kappa Phi journal","volume":"17 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78495852","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Student worksheet based on hands on and minds on activity that designed to improve student learning outcomes is not yet available, especially for simple harmonic movement. The aims of this research are to produce simple harmonic movement’s student worksheet based on hands on and minds on activity that are valid and practice. The model that used for this research is the ADDIE model, within simple harmonic movement’s student worksheet based on hands on and minds on activity as the subject of this research. The subject of this research is student worksheet. The data of this research is obtained from validity sheets and assessment sheets of student worksheet legibility by students. Data analysis was performed through the validity tests and the average score of student worksheet legibility by students. This research shows that: (1) the validity of simple harmonic movement’s student worksheet based on hands on and minds on activity is 3,23 that categorized as valid; and (2) the practicality of simple harmonic movement’s student worksheet based on hands on and minds on activity is 72,00% that categorized as practice. It can be concluded that simple harmonic movement’s student worksheet based on hands on and minds on activity can be used in the learning process.
{"title":"Pengembangan LKPD Gerak Harmonik Sederhana Berbasis Hands On dan Minds On Activity untuk Meningkatkan Hasil Belajar Peserta Didik","authors":"S. Mahtari, Rina Ramadhani, S. Miriam","doi":"10.29408/kpj.v4i2.2549","DOIUrl":"https://doi.org/10.29408/kpj.v4i2.2549","url":null,"abstract":"Student worksheet based on hands on and minds on activity that designed to improve student learning outcomes is not yet available, especially for simple harmonic movement. The aims of this research are to produce simple harmonic movement’s student worksheet based on hands on and minds on activity that are valid and practice. The model that used for this research is the ADDIE model, within simple harmonic movement’s student worksheet based on hands on and minds on activity as the subject of this research. The subject of this research is student worksheet. The data of this research is obtained from validity sheets and assessment sheets of student worksheet legibility by students. Data analysis was performed through the validity tests and the average score of student worksheet legibility by students. This research shows that: (1) the validity of simple harmonic movement’s student worksheet based on hands on and minds on activity is 3,23 that categorized as valid; and (2) the practicality of simple harmonic movement’s student worksheet based on hands on and minds on activity is 72,00% that categorized as practice. It can be concluded that simple harmonic movement’s student worksheet based on hands on and minds on activity can be used in the learning process.","PeriodicalId":82301,"journal":{"name":"Phi Kappa Phi journal","volume":"16 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87769423","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The seismic refraction method is one of the geophysical methods which is based on measuring the response of seismic waves in the soil that are fractured along the soil and rock layers. One of the seismic refraction method application is to determine the layers and rocks types below the surface. This study uses a geophone as a catcher for seismic waves that are emitted below the surface. The waves caught on the geophone are converted into seismic data which can be read in a seismograph. Seismic data read by seismographs are already in digital form and stored in the central unit PASI 16S24-P. The results of the data analysis concluded that below the land surface of the village of Medana, there were 3 rock layers with a thickness of the first layer 3-4 meters, the second layer 2-5 meters and the third layer 10-17 meters. The first and second layers are still in the form of soil (less compact), while the third layer is in the form of rock (compact). The level of hardness (density) will be more compact in linear to the depth, the more the depth will be the more compact the rock. The depth in the form of hard rock starts from 16 meters to 23 meters from the ground level of the village of Medana, Central Lombok.
{"title":"Aplikasi Metode Seismik Refraksi dalam Menentukan Lapisan dan Tingkat Kekerasan Batuan di Bawah Permukaan Desa Medana Lombok Utara","authors":"A. Syahrial, M. Zuhdi, J. Rokhmat","doi":"10.29408/kpj.v4i2.2607","DOIUrl":"https://doi.org/10.29408/kpj.v4i2.2607","url":null,"abstract":"The seismic refraction method is one of the geophysical methods which is based on measuring the response of seismic waves in the soil that are fractured along the soil and rock layers. One of the seismic refraction method application is to determine the layers and rocks types below the surface. This study uses a geophone as a catcher for seismic waves that are emitted below the surface. The waves caught on the geophone are converted into seismic data which can be read in a seismograph. Seismic data read by seismographs are already in digital form and stored in the central unit PASI 16S24-P. The results of the data analysis concluded that below the land surface of the village of Medana, there were 3 rock layers with a thickness of the first layer 3-4 meters, the second layer 2-5 meters and the third layer 10-17 meters. The first and second layers are still in the form of soil (less compact), while the third layer is in the form of rock (compact). The level of hardness (density) will be more compact in linear to the depth, the more the depth will be the more compact the rock. The depth in the form of hard rock starts from 16 meters to 23 meters from the ground level of the village of Medana, Central Lombok.","PeriodicalId":82301,"journal":{"name":"Phi Kappa Phi journal","volume":"26 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73264722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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