Pub Date : 2022-10-30DOI: 10.24042/jipfalbiruni.v11i2.12356
K. Sari, Yazid Zainur Isnen, A. Utomo, S. Sunardi
Natural product-based noise-absorbing composite can be an alternative to replace synthetic fiber because of its advantages of high strength, toughness, low price, and abundance to reduce noise. The materials used were pineapple leaf fibers with paper waste. This research aims to study the advantage of natural products to reduce noise by analyzing the coefficient of sound absorption and impact strength to evaluate the absorbing composite. The composites were tested with the Charpy method with ISO 11654 standard and ASTM E23 for sound absorption and impact strength. Sound absorption was carried out using an impedance tube at a frequency range of 250 – 3000 Hz. The volume fraction of pineapple leaf fibers, paper waste, and resin epoxy concentrations were 20% : 30% : 50%, 25% : 25% : 50%, and 30% : 20% : 50%. The thickness for the sound absorption coefficient was 2 cm and 3 cm, while the thickness of the impact strength was 0.5 cm. The highest sound absorption coefficient of pineapple leaf fibers composite for 30% : 20% : 50% volume fraction was 0.788 for sample 2 cm. The highest impact strength for 20% : 30% : 50% volume fraction of the thickness of 0.5 cm was 3.527 J/mm2. The results of the sound absorption coefficient will increase if used more pineapple leaf fibers but it will decrease the impact strength. Based on this research, the pineapple leaf fibers will improve the quality of the composite that can be used as a sound-absorbing material as well. These materials possess the promising potential to decrease waste and are used in industries for a low cost.
{"title":"Properties of Pineapple Leaf Fibers with Paper Waste as An Absorbing-Composite to Reduce Noise","authors":"K. Sari, Yazid Zainur Isnen, A. Utomo, S. Sunardi","doi":"10.24042/jipfalbiruni.v11i2.12356","DOIUrl":"https://doi.org/10.24042/jipfalbiruni.v11i2.12356","url":null,"abstract":"Natural product-based noise-absorbing composite can be an alternative to replace synthetic fiber because of its advantages of high strength, toughness, low price, and abundance to reduce noise. The materials used were pineapple leaf fibers with paper waste. This research aims to study the advantage of natural products to reduce noise by analyzing the coefficient of sound absorption and impact strength to evaluate the absorbing composite. The composites were tested with the Charpy method with ISO 11654 standard and ASTM E23 for sound absorption and impact strength. Sound absorption was carried out using an impedance tube at a frequency range of 250 – 3000 Hz. The volume fraction of pineapple leaf fibers, paper waste, and resin epoxy concentrations were 20% : 30% : 50%, 25% : 25% : 50%, and 30% : 20% : 50%. The thickness for the sound absorption coefficient was 2 cm and 3 cm, while the thickness of the impact strength was 0.5 cm. The highest sound absorption coefficient of pineapple leaf fibers composite for 30% : 20% : 50% volume fraction was 0.788 for sample 2 cm. The highest impact strength for 20% : 30% : 50% volume fraction of the thickness of 0.5 cm was 3.527 J/mm2. The results of the sound absorption coefficient will increase if used more pineapple leaf fibers but it will decrease the impact strength. Based on this research, the pineapple leaf fibers will improve the quality of the composite that can be used as a sound-absorbing material as well. These materials possess the promising potential to decrease waste and are used in industries for a low cost.","PeriodicalId":31460,"journal":{"name":"Jurnal Ilmiah Pendidikan Fisika AlBiruni","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49580516","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}
Pub Date : 2022-10-30DOI: 10.24042/jipfalbiruni.v11i2.14291
S. Hajar, N. Har, I. Irmansyah, A. Arif, I. Irzaman
The increasing use of fossil-based fuels causes an imbalance between energy demand and the availability of that energy. Therefore, the use of rice husk biomass as alternative energy was implemented through the use of rice husk furnaces. This research aims to optimize the efficiency of a small industrial-scale husk furnace by varying the oxygen flow valve holes and the mass of the heated water. The test on the husk furnace was carried out using the Water Boiling Test (WBT) method with the following test parameters: combustion time, FCR, input power, output power, power loss, radiant energy, and thermal conductivity of the pan and chimney of the husk furnace. Tests were carried out on four variations of the oxygen flow valve holes (horizontal: 18 x 36 cm2 and 27 x 36 cm2, vertical: 27 x 24 cm2 and 27 x 12 cm2) and three variations in the mass of heated water (6 kg, 12 kg, and 18 kg). The highest efficiency of the husk furnace was obtained at 18 kg of water, and based on each test parameter, the performance of the husk furnace was most optimal at the horizontal valve hole measuring 27 x 36 cm2 with an average efficiency of 17.32%.
化石燃料的使用越来越多，导致能源需求和可用性之间的不平衡。因此，通过使用稻壳炉，利用稻壳生物质作为替代能源。本研究旨在通过改变氧气流量阀孔和加热水的质量来优化小型工业规模壳炉的效率。采用水沸腾试验（WBT）方法对皮炉进行了试验，试验参数为：燃烧时间、FCR、输入功率、输出功率、功率损耗、辐射能以及皮炉锅和烟囱的热导率。对氧气流量阀孔的四种变化（水平：18 x 36 cm2和27 x 36 cm2，垂直：27 x 24 cm2和27×12 cm2）和热水质量的三种变化（6 kg、12 kg和18 kg）进行了测试。在18kg的水下获得了外壳炉的最高效率，并且基于每个测试参数，外壳炉的性能在27 x 36cm2的水平阀孔处是最佳的，平均效率为17.32%。
{"title":"Optimization of Oxygen Flow Valve Holes in Small Industrial Scale Husk Furnaces","authors":"S. Hajar, N. Har, I. Irmansyah, A. Arif, I. Irzaman","doi":"10.24042/jipfalbiruni.v11i2.14291","DOIUrl":"https://doi.org/10.24042/jipfalbiruni.v11i2.14291","url":null,"abstract":"The increasing use of fossil-based fuels causes an imbalance between energy demand and the availability of that energy. Therefore, the use of rice husk biomass as alternative energy was implemented through the use of rice husk furnaces. This research aims to optimize the efficiency of a small industrial-scale husk furnace by varying the oxygen flow valve holes and the mass of the heated water. The test on the husk furnace was carried out using the Water Boiling Test (WBT) method with the following test parameters: combustion time, FCR, input power, output power, power loss, radiant energy, and thermal conductivity of the pan and chimney of the husk furnace. Tests were carried out on four variations of the oxygen flow valve holes (horizontal: 18 x 36 cm2 and 27 x 36 cm2, vertical: 27 x 24 cm2 and 27 x 12 cm2) and three variations in the mass of heated water (6 kg, 12 kg, and 18 kg). The highest efficiency of the husk furnace was obtained at 18 kg of water, and based on each test parameter, the performance of the husk furnace was most optimal at the horizontal valve hole measuring 27 x 36 cm2 with an average efficiency of 17.32%.","PeriodicalId":31460,"journal":{"name":"Jurnal Ilmiah Pendidikan Fisika AlBiruni","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41928940","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}
Pub Date : 2022-10-30DOI: 10.24042/jipfalbiruni.v11i2.13833
I. Safitri, P. Sinaga, E. Suhendi
Problem-solving Skills and Reading-Writing Literacy are two necessary things students must have to compete in the 21st century. This study aims at determining the effectiveness of Problem-based Learning with Integrated Reading and Writing tasks to improve students' problem-solving and reading-writing literacy skills. A quantitative method using a quasi-experimental design with a non-equivalent control group was employed in this study. The sampling technique used in this study was the purposive sampling technique. The sample used in this study was 36 students divided into two groups: the control group and the experimental group. The instrument used in this study was a physics problem-solving skill test instrument and a reading-writing literacy instrument. The data analysis technique in this study was a quantitative analysis technique. The results showed that the N-gain value of the physics problem-solving skill test for the experimental group was 0.67 in the medium category, and the control group was 0.65 in the medium category. In the reading-writing literacy test, the N-gain value for the experimental group was 0.55 in the medium category and 0.29 in the low category for the control group. The Problem-based Learning model with Integrated Reading and Writing Tasks has little impact on improving students' problem-solving skills. However, it has a significant effect on increasing students' reading-writing literacy.
{"title":"Problem-Based Learning Integrated Reading and Writing in Work and Energy Phenomena: Its Effectiveness on Problem-Solving Skills and Reading-Writing Literacy","authors":"I. Safitri, P. Sinaga, E. Suhendi","doi":"10.24042/jipfalbiruni.v11i2.13833","DOIUrl":"https://doi.org/10.24042/jipfalbiruni.v11i2.13833","url":null,"abstract":"Problem-solving Skills and Reading-Writing Literacy are two necessary things students must have to compete in the 21st century. This study aims at determining the effectiveness of Problem-based Learning with Integrated Reading and Writing tasks to improve students' problem-solving and reading-writing literacy skills. A quantitative method using a quasi-experimental design with a non-equivalent control group was employed in this study. The sampling technique used in this study was the purposive sampling technique. The sample used in this study was 36 students divided into two groups: the control group and the experimental group. The instrument used in this study was a physics problem-solving skill test instrument and a reading-writing literacy instrument. The data analysis technique in this study was a quantitative analysis technique. The results showed that the N-gain value of the physics problem-solving skill test for the experimental group was 0.67 in the medium category, and the control group was 0.65 in the medium category. In the reading-writing literacy test, the N-gain value for the experimental group was 0.55 in the medium category and 0.29 in the low category for the control group. The Problem-based Learning model with Integrated Reading and Writing Tasks has little impact on improving students' problem-solving skills. However, it has a significant effect on increasing students' reading-writing literacy.","PeriodicalId":31460,"journal":{"name":"Jurnal Ilmiah Pendidikan Fisika AlBiruni","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48393165","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}
Pub Date : 2022-10-30DOI: 10.24042/jipfalbiruni.v11i2.12714
O. Ivansyah, Felas Dilnalsyah, J. Sampurno, M. Muhardi
Mapping the subsurface is essential in rock exploration for construction to minimize costs and guide adequate mining planning. This study aims to identify the subsurface layer of Bangkam Hill, a depot of various rocks for construction materials located in Sungai Kunyit District, Mempawah Regency. A resistivity method was applied to map the sub-surface using the Wenner-Schlumberger configuration. Data acquisition was performed at six measurement lines to cover the hill. The results show that the subsurface layers of the hill from the ground to 40 m in depth are composed of sand, laterite soil, gravel, and igneous rock, with resistivity varying from about 30 to 693,055 Ωm. Using the subsurface map, the stakeholder can assess shallow rock reserves in the study area and create a proper mining strategy.
{"title":"How to Identify the Subsurface Layer of Bangkam Hill - Mempawah Regency? Application of the Geoelectrical Resistivity Method","authors":"O. Ivansyah, Felas Dilnalsyah, J. Sampurno, M. Muhardi","doi":"10.24042/jipfalbiruni.v11i2.12714","DOIUrl":"https://doi.org/10.24042/jipfalbiruni.v11i2.12714","url":null,"abstract":"Mapping the subsurface is essential in rock exploration for construction to minimize costs and guide adequate mining planning. This study aims to identify the subsurface layer of Bangkam Hill, a depot of various rocks for construction materials located in Sungai Kunyit District, Mempawah Regency. A resistivity method was applied to map the sub-surface using the Wenner-Schlumberger configuration. Data acquisition was performed at six measurement lines to cover the hill. The results show that the subsurface layers of the hill from the ground to 40 m in depth are composed of sand, laterite soil, gravel, and igneous rock, with resistivity varying from about 30 to 693,055 Ωm. Using the subsurface map, the stakeholder can assess shallow rock reserves in the study area and create a proper mining strategy.","PeriodicalId":31460,"journal":{"name":"Jurnal Ilmiah Pendidikan Fisika AlBiruni","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47070878","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}
Pub Date : 2022-10-30DOI: 10.24042/jipfalbiruni.v11i2.13895
A. Prabowo, H. Hartono, Oscar Kaeni
Groundwater Survey in Bolo District, Palibelo District, Woha District, Langgudu District, Wawo District, Sape District, Wera District, Bima Regency, and West Nusa Tenggara for drought mitigation has been implemented. The study area is located in the majority of hilly areas with soil vulnerable to drought. Water is abundant during the rainy season. However, during the dry season, the ground surface is cracked, and there needs to be more clean water. This situation is troubling the community and the Regional Government of Bima Regency. The study was conducted using the Schlumberger resistivity geoelectric configuration method. The measurement point is in seven sub-districts, with a total of 18 measurement points. Research location at 118,6305833 SL; -8,3008888889 EL up to 119,01925 SL; -8,704638889 EL or covers an area of ± 1,961 km2. The length of the path used is a maximum of 400 meters. Based on the results of geoelectric resistivity data, two types of aquifers are found, open aquifers with depths ranging from 1 m to 26 m and aquifers depressed with depths ranging from 70 to 115 m. In addition to geoelectric information data, drilling data is also used at points that can be reached by heavy equipment in Lanta Barat Village, Lambu District. At the drilling point, the presence of an aquifer layer is obtained at a depth of about 80 meters. Residents then use the discovery of the wellbore to meet their need for clean water.
已在Bolo区、Palibelo区、Woha区、Langgudu区、Wawo区、Sape区、Wera区、Bima Regency和West Nusa Tenggara进行地下水调查，以缓解干旱。研究区域位于大部分丘陵地区，土壤易受干旱影响。雨季水量充足。然而，在旱季，地面会出现裂缝，需要更多的清洁水。这种情况困扰着社区和比马县政府。该研究采用斯伦贝谢电阻率地电配置法进行。测量点位于七个街道，共有18个测量点。研究地点：1186305833 SL-83008888889 EL高达11901925 SL-8704638889 EL或占地面积±1961 km2。所使用的路径长度最大为400米。根据地电阻率数据的结果，发现了两种类型的含水层，深度为1米至26米的开放含水层和深度为70米至115米的凹陷含水层。除了地电信息数据外，在兰布区Lanta Barat村重型设备可以到达的点也使用了钻探数据。在钻探点，在大约80米的深度处获得含水层的存在。然后，居民们利用发现的井筒来满足他们对清洁水的需求。
{"title":"Groundwater Survey Using Resistivity Method for Drought Mitigation in Bima Regency, West Nusa Tenggara","authors":"A. Prabowo, H. Hartono, Oscar Kaeni","doi":"10.24042/jipfalbiruni.v11i2.13895","DOIUrl":"https://doi.org/10.24042/jipfalbiruni.v11i2.13895","url":null,"abstract":"Groundwater Survey in Bolo District, Palibelo District, Woha District, Langgudu District, Wawo District, Sape District, Wera District, Bima Regency, and West Nusa Tenggara for drought mitigation has been implemented. The study area is located in the majority of hilly areas with soil vulnerable to drought. Water is abundant during the rainy season. However, during the dry season, the ground surface is cracked, and there needs to be more clean water. This situation is troubling the community and the Regional Government of Bima Regency. The study was conducted using the Schlumberger resistivity geoelectric configuration method. The measurement point is in seven sub-districts, with a total of 18 measurement points. Research location at 118,6305833 SL; -8,3008888889 EL up to 119,01925 SL; -8,704638889 EL or covers an area of ± 1,961 km2. The length of the path used is a maximum of 400 meters. Based on the results of geoelectric resistivity data, two types of aquifers are found, open aquifers with depths ranging from 1 m to 26 m and aquifers depressed with depths ranging from 70 to 115 m. In addition to geoelectric information data, drilling data is also used at points that can be reached by heavy equipment in Lanta Barat Village, Lambu District. At the drilling point, the presence of an aquifer layer is obtained at a depth of about 80 meters. Residents then use the discovery of the wellbore to meet their need for clean water.","PeriodicalId":31460,"journal":{"name":"Jurnal Ilmiah Pendidikan Fisika AlBiruni","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42132751","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}
Pub Date : 2022-10-30DOI: 10.24042/jipfalbiruni.v11i2.12831
D. A. Kurniawan*, D. Darmaji, A. Astalini, Rido Ilham Widodo
This research was conducted to determine how the influence of digital literacy and critical thinking skills. This research was conducted using a mixed method with the convergent parallel design. The subjects of this study were students from SMAN 6 Batanghari and SMAN 10 Batanghari with a specialization in science, where each school took 2 classes with a total of 80 students as samples with 297 eleventh graders in both schools as population, where research sample chosen with purposive sampling. The data analysis carried out in this study was a normality test, linearity test, and regression test. From this research, it was found that there were significant differences in the level of digital literacy skills and understanding of students on digital literacy between the two test schools. Significant differences are also seen in the level of critical thinking of students. The interesting thing in the findings of this research is that students who have a good level of skills and understanding of digital literacy will have a good level of critical thinking as well. So, it was found that digital literacy also has an influence on students' critical thinking skills.
{"title":"HOTS Study: How are the literacy and thinking skills of students different?","authors":"D. A. Kurniawan*, D. Darmaji, A. Astalini, Rido Ilham Widodo","doi":"10.24042/jipfalbiruni.v11i2.12831","DOIUrl":"https://doi.org/10.24042/jipfalbiruni.v11i2.12831","url":null,"abstract":"This research was conducted to determine how the influence of digital literacy and critical thinking skills. This research was conducted using a mixed method with the convergent parallel design. The subjects of this study were students from SMAN 6 Batanghari and SMAN 10 Batanghari with a specialization in science, where each school took 2 classes with a total of 80 students as samples with 297 eleventh graders in both schools as population, where research sample chosen with purposive sampling. The data analysis carried out in this study was a normality test, linearity test, and regression test. From this research, it was found that there were significant differences in the level of digital literacy skills and understanding of students on digital literacy between the two test schools. Significant differences are also seen in the level of critical thinking of students. The interesting thing in the findings of this research is that students who have a good level of skills and understanding of digital literacy will have a good level of critical thinking as well. So, it was found that digital literacy also has an influence on students' critical thinking skills.","PeriodicalId":31460,"journal":{"name":"Jurnal Ilmiah Pendidikan Fisika AlBiruni","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46572901","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}
Pub Date : 2022-10-30DOI: 10.24042/jipfalbiruni.v11i2.12546
A. F. Amalia, W. Budhi, A. Melati, U. N. Prabowo
Computational physics is concerned with the application of numerical methods in solving physical problems. The van der Waals gas model is one of the most common non-linear models. This study simulated a mathematical model of a non-linear equation using MatLab for the case of the specific volume of gas in the equation of the state of van der Waals. This study aimed to determine the molar volume and compressibility factor, as well as describe the relationship between the compressibility factor and the reduced pressure. The method of the study is experimental. The independent variables are the reduced pressure and temperature values. The dependent variable is the determination of the value of the molar volume (V) and the compressibility factor (Z). The control variable, in the form of a function used in solving this case, is based on van der Waals equation with the gas used is ammonia. The fzero command can be used to solve f(x)=0 with a single variable. This program that has been running successfully can show various predictions in the form of reduction pressure, thus obtaining the values of the molar volume and compressibility factor using the ideal gas equation. There is a deviation in ammonia gas, the Z1 at high reduction pressures and Z1 at medium pressures. This study can provide contributions and benefits in the form of material enrichment of thermodynamics to understand how real gases behave. The ideal gas equation can be modified into the van der Waals equation.
{"title":"Mathematical Model Simulation of Non-Linear Equations using MATLAB: Specific Volume of Gas with Van der Waals Equation","authors":"A. F. Amalia, W. Budhi, A. Melati, U. N. Prabowo","doi":"10.24042/jipfalbiruni.v11i2.12546","DOIUrl":"https://doi.org/10.24042/jipfalbiruni.v11i2.12546","url":null,"abstract":"Computational physics is concerned with the application of numerical methods in solving physical problems. The van der Waals gas model is one of the most common non-linear models. This study simulated a mathematical model of a non-linear equation using MatLab for the case of the specific volume of gas in the equation of the state of van der Waals. This study aimed to determine the molar volume and compressibility factor, as well as describe the relationship between the compressibility factor and the reduced pressure. The method of the study is experimental. The independent variables are the reduced pressure and temperature values. The dependent variable is the determination of the value of the molar volume (V) and the compressibility factor (Z). The control variable, in the form of a function used in solving this case, is based on van der Waals equation with the gas used is ammonia. The fzero command can be used to solve f(x)=0 with a single variable. This program that has been running successfully can show various predictions in the form of reduction pressure, thus obtaining the values of the molar volume and compressibility factor using the ideal gas equation. There is a deviation in ammonia gas, the Z1 at high reduction pressures and Z1 at medium pressures. This study can provide contributions and benefits in the form of material enrichment of thermodynamics to understand how real gases behave. The ideal gas equation can be modified into the van der Waals equation.","PeriodicalId":31460,"journal":{"name":"Jurnal Ilmiah Pendidikan Fisika AlBiruni","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44072589","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}
Pub Date : 2022-10-30DOI: 10.24042/jipfalbiruni.v11i2.13754
Zulkaisi Dwi Pangarso, E. Istiyono
Feedback on formative assessment is a teacher's effort to help students with learning difficulties by responding to their evaluation results, especially on HOTS-based evaluations, which have a higher level of completion. Therefore, this study aims to determine the effect of immediate feedback on improving Material Comprehension (MC) and Learning Motivation (LM). Unfortunately, the teacher needs to provide feedback due to several factors, one of which is time constraints due to teachers’ activity. This study aims to investigate the effect of Go Formative in providing immediate feedback on formative physics assessments on material comprehension and learning motivation enhancement of 10th-grade high school students. This research is quasi-experimental with a non-equivalent control group design involving two classes, namely the control and experimental classes. The two classes were selected by employing a simple random sampling technique. This study's results show a different effect of using Go Formative in providing quick feedback in improving students' material comprehension. The existence of these differences makes the provision of quick and immediate feedback through the Go Formative website a solution to overcome the obstacles experienced by teachers in carrying out formative assessments.
{"title":"Go Formative for Formative Assessment Feedback on the 10th Graders’ Material Comprehension and Learning Motivation","authors":"Zulkaisi Dwi Pangarso, E. Istiyono","doi":"10.24042/jipfalbiruni.v11i2.13754","DOIUrl":"https://doi.org/10.24042/jipfalbiruni.v11i2.13754","url":null,"abstract":"Feedback on formative assessment is a teacher's effort to help students with learning difficulties by responding to their evaluation results, especially on HOTS-based evaluations, which have a higher level of completion. Therefore, this study aims to determine the effect of immediate feedback on improving Material Comprehension (MC) and Learning Motivation (LM). Unfortunately, the teacher needs to provide feedback due to several factors, one of which is time constraints due to teachers’ activity. This study aims to investigate the effect of Go Formative in providing immediate feedback on formative physics assessments on material comprehension and learning motivation enhancement of 10th-grade high school students. This research is quasi-experimental with a non-equivalent control group design involving two classes, namely the control and experimental classes. The two classes were selected by employing a simple random sampling technique. This study's results show a different effect of using Go Formative in providing quick feedback in improving students' material comprehension. The existence of these differences makes the provision of quick and immediate feedback through the Go Formative website a solution to overcome the obstacles experienced by teachers in carrying out formative assessments.","PeriodicalId":31460,"journal":{"name":"Jurnal Ilmiah Pendidikan Fisika AlBiruni","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43597757","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}
Pub Date : 2022-10-30DOI: 10.24042/jipfalbiruni.v11i2.12545
M. Syukri, Mulia Rahmi, Saminan Saminan, W. Artika, Tamil Selvan Raman Subramaniam
This study aims to create a virtual lab in science-physics learning based on a valid, practical, and effective STEM-based virtual lab for junior high school students. The research was conducted using Research and Development.The research was conducted at SMP Negeri Unggul Tunas Nusa (junior high school). This research was carried out in the even semester of the 2021/2022 academic year. The subjects used in this study were students of class VII Tusa at SMPN Unggul Tunas Nusa in the academic year 2021/2022, totaling 29 students. The sampling technique used is random sampling. Based on the analysis, the average percentage assessment of all aspects is 87.89%, meaning the STEM-based virtual lab product is very feasible. The STEM-based virtual lab is assessed for teachers' and students' use. Practical criteria for teachers and students. The pretest means of student learning outcomes scored 24.57, while the posttest means after being applied to a STEM-based virtual lab scored 84.45. The average score of N-gain student learning outcomes is 0.80, which is high and able to improve student learning outcomes.The results of this study are expected to be used as an alternative for a teacher to improve student learning outcomes.
本研究旨在为初中生创建一个基于有效、实用和有效STEM的虚拟实验室，用于科学物理学习。这项研究是使用“研究与开发”进行的。这项研究是在SMP Negeri Unggul Tunas Nusa（初中）进行的。这项研究是在2021/2022学年的偶数学期进行的。本研究中使用的受试者是2021/2022学年SMPN Unggul Tunas Nusa七班Tusa的学生，共29名学生。所使用的采样技术是随机采样。根据分析，各方面的平均百分比评估为87.89%，这意味着基于STEM的虚拟实验室产品非常可行。对基于STEM的虚拟实验室进行评估，供教师和学生使用。教师和学生的实用标准。学生学习成果的前测平均值为24.57分，而应用于基于STEM的虚拟实验室后的后测平均值则为84.45分。N增益学生学习成果的平均得分为0.80，这是高的，能够改善学生的学习成果。这项研究的结果有望作为教师提高学生学习成绩的替代方案。
{"title":"Virtual Lab Based on STEM Approach: Is It Effective to Enhance Students Concept of Temperature and Heat?","authors":"M. Syukri, Mulia Rahmi, Saminan Saminan, W. Artika, Tamil Selvan Raman Subramaniam","doi":"10.24042/jipfalbiruni.v11i2.12545","DOIUrl":"https://doi.org/10.24042/jipfalbiruni.v11i2.12545","url":null,"abstract":"This study aims to create a virtual lab in science-physics learning based on a valid, practical, and effective STEM-based virtual lab for junior high school students. The research was conducted using Research and Development.The research was conducted at SMP Negeri Unggul Tunas Nusa (junior high school). This research was carried out in the even semester of the 2021/2022 academic year. The subjects used in this study were students of class VII Tusa at SMPN Unggul Tunas Nusa in the academic year 2021/2022, totaling 29 students. The sampling technique used is random sampling. Based on the analysis, the average percentage assessment of all aspects is 87.89%, meaning the STEM-based virtual lab product is very feasible. The STEM-based virtual lab is assessed for teachers' and students' use. Practical criteria for teachers and students. The pretest means of student learning outcomes scored 24.57, while the posttest means after being applied to a STEM-based virtual lab scored 84.45. The average score of N-gain student learning outcomes is 0.80, which is high and able to improve student learning outcomes.The results of this study are expected to be used as an alternative for a teacher to improve student learning outcomes.","PeriodicalId":31460,"journal":{"name":"Jurnal Ilmiah Pendidikan Fisika AlBiruni","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41580692","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}
Pub Date : 2022-09-15DOI: 10.24042/jipfalbiruni.v11i1.11775
I. W. Distrik, W. Setiawan, C. Ertikanto
This research aimed to build physics concept understanding and to problem-solve in online learning through the concept attainment learning model. This research employed a quasi-experimental method with a non-equivalent control group pretest-posttest design. The population was natural sciences students in grade XI of Public Islamic School 1 in Pringsewu, Lampung, Indonesia. The samples consisted of 35 grade XI students from class IPA 3 for the experimental group and 34 grade XI students from class IPA 2 for the control group. The concept understanding test consisted of ten problems referring to Anderson and Krotwall’s indicators. The problem-solving test consisted of five problems referring to problems developed by Savage and William. The test results of physics concept understanding and problem-solving ability were analyzed descriptively by grouping the data, calculating the n-gain, and interpreting the data. The difference in physics concept understanding and problem-solving between experimental and control classes were analyzed using an independent sample t-test. The result showed that the n-gains of physics concept understanding and problem-solving ability were in the high and moderate categories, respectively, for the experimental class and the moderate and moderate categories, respectively, for the control class. The independent sample t-test showed that conceptual understanding and problem-solving ability differed significantly between the experiment and control classrooms. This result indicated that the concept attainment model in online learning was better for building physics concept understanding and problem-solving ability for senior high school students than other conventional learning models.
{"title":"Building physics concept understanding and problem-solving ability in online learning through concept attainment model","authors":"I. W. Distrik, W. Setiawan, C. Ertikanto","doi":"10.24042/jipfalbiruni.v11i1.11775","DOIUrl":"https://doi.org/10.24042/jipfalbiruni.v11i1.11775","url":null,"abstract":"This research aimed to build physics concept understanding and to problem-solve in online learning through the concept attainment learning model. This research employed a quasi-experimental method with a non-equivalent control group pretest-posttest design. The population was natural sciences students in grade XI of Public Islamic School 1 in Pringsewu, Lampung, Indonesia. The samples consisted of 35 grade XI students from class IPA 3 for the experimental group and 34 grade XI students from class IPA 2 for the control group. The concept understanding test consisted of ten problems referring to Anderson and Krotwall’s indicators. The problem-solving test consisted of five problems referring to problems developed by Savage and William. The test results of physics concept understanding and problem-solving ability were analyzed descriptively by grouping the data, calculating the n-gain, and interpreting the data. The difference in physics concept understanding and problem-solving between experimental and control classes were analyzed using an independent sample t-test. The result showed that the n-gains of physics concept understanding and problem-solving ability were in the high and moderate categories, respectively, for the experimental class and the moderate and moderate categories, respectively, for the control class. The independent sample t-test showed that conceptual understanding and problem-solving ability differed significantly between the experiment and control classrooms. This result indicated that the concept attainment model in online learning was better for building physics concept understanding and problem-solving ability for senior high school students than other conventional learning models.","PeriodicalId":31460,"journal":{"name":"Jurnal Ilmiah Pendidikan Fisika AlBiruni","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42773566","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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