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Results in Journal Jurnal Ilmiah Pendidikan Fisika Al-Biruni: 129

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Viyanti Viyanti, Cari Cari, Zuhdan Kun Prasetyo, Hervin Maulina
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 9, pp 177-183; doi:10.24042/jipfalbiruni.v9i1.6264

A performance feature is a domain-specific to the organization of knowledge. Well-organized knowledge is characterized when students are able to collaborate the knowledge features of the physics problem. The knowledge feature can be a cognitive activity where teachers influence students by changing the pattern of knowledge from "defining" to "applying" knowledge. This research aims to analyze whethet the cognitive activity from the teacher can generate student’s argumentation performance features or no. This study is a qualitative descriptive study which involved 100 of high school students in Bandar Lampung. The data was collected using a research instrument in the form of reasoned multiple choices which has been validated. The results of this study showed that students' involvement in cognitive activity by following variety of procedures can generate student’s argumentation performance fetaures.
Yul Martin, Diah Permata, Annisa Ulya, Dikpride Despa, Marwansyah Marwansyah, Ali Rahmat
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 9, pp 133-140; doi:10.24042/jipfalbiruni.v9i1.6281

The increasing frequency of lightning strikes endangers human safety and life. The grounding system was introduced to face the lightning strikes. This research aimed to understand the changes of grounding resistance value using concrete mixed with bentonite and coconut fiber. The research was conducted in the Laboratory of Electrical Engineering, University of Lampung. The research was started from October 2017 to April 2018. This research used the Ufer grounding system. Concretes with (25 x 25 x 30) cm3 in volume were planted at a depth of 50 cm with copper-coated electrodes that were 16 mm in diameter. 4 concrete was produce with different component T1= concrete, 30% bentonite, T2= concrete, 30% bentonite, 1.5% coconut fiber, T3= concrete, 30% bentonite, 0.75% coconut fiber, T4= concrete + 1.5% coconut fiber. The results show that the lowest grounding resistance values were 45.896 Ω on the concrete with bentonite: cement: sand: gravel = 0.3: 0.7: 2: 4. By adding 1.5% coconut fiber, the grounding resistance value is 3.5 times smaller than the grounding resistance values of the soil (161.2 Ω). Adding bentonite and coconut fiber can decrease the grounding resistance values
Bayu Achil Sadjab, I Putu Tedy Indrayana, Steven Iwamony, Rofiqul Umam
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 9, pp 141-160; doi:10.24042/jipfalbiruni.v9i1.5394

This research aimed to investigate the distribution, volume, and concentration of iron sand at Wari Ino Beach Tobelo. The resistivity method with Werner-Schlumberger configuration was applied to investigate the iron sand distribution. The measurements were set-up on 3 lines that run parallel along the coast of Wari Ino Village. The length of each trajectory was 150 meters with a spacing of 10 meters for each electrode. Data acquisition was carried out by using geoelectric instruments to obtain current injection (I) and voltage (V). The analysis was carried out by using RES2DINV and ROCKWORK software to obtain 2-D and 3-D cross-section models for interpreting the distribution and volume of the iron sand. The analysis and interpretation were supported by geological data of the location. Furthermore, the Fe content was characterized by using X-Ray Fluorescence Spectroscopy (XRF). There results show that the volume of the iron sand in each trajectory was 109,355 m3; 180,254 m3; and 120,556 m3. The total volume of iron sand along the three trajectories was up to 405,335 m3. The Fe content in the form of a free element is 67.41%, 57.12%, and 73.40%. The Fe content in the form of hematite mineral (Fe2O3) was 57.92%, 45.82%, and 65.47%.
Yoga Prastowo Mukti, Mohammad Masykuri, Widha Sunarno, Ulin Nuha Rosyida, Zuhair Jamain, Mahamboro Dawud Dananjoyo
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 9, pp 121-131; doi:10.24042/jipfalbiruni.v9i1.4561

The purposes of the research were to know the difference between the student cognitive achievement who learned using PjBL and Discovery Learning models, between the student who had the high and low analyzing ability, and their interaction. The research population included the seventh-grade students in one of the Islamic state schools in Surakarta. The research subjects were students with different knowledge capabilities from low to high levels. The method has been implemented was experimental research. A two-way Anava test was chosen for the technique of analyzing data in this research. In collecting data, the multiple-choice test was used based on aspects of analytical abilities, namely mental flexibility, verbal reasoning and reading comprehension, scientific and mechanical reasoning. The result showed that there is the effect of the application of PjBL and Discovery learning model on cognitive achievement with the significance value 0,05, there is the effect between high and low analyzing ability on cognitive achievement with the significance value 0,05 and there was no interaction between learning model and analyzing ability on cognitive achievement with the significance value 0,05. This study implies that the PjBL model and discovery have a significant impact on student learning outcomes so that they can be used for other science subjects by paying attention to the internal factors of students that will be used as a review
Awal Mulia Rejeki Tumanggor, Supahar Supahar, Ernila Siringo Ringo, Muhammad Dika Harliadi
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 9, pp 21-31; doi:10.24042/jipfalbiruni.v9i1.4571

This research aims to develop the test instrument that is feasible in terms of validity, reliability, and difficulty level and to identify students' misconceptions in simple harmonic motion concepts. The development stages used in this research were the modifications result from Oriondo Dalo-Antonio, which included: (1) planning and design development, (2) trying out, and (3) measurement and interpretation of results. The instrument has been developed and categorized as effective because it is declared valid and reliable based on the criteria of the lowest and highest limit of the INFIT MNSQ which is 0.77 and 1.30, all test items are fitted with the PCM model, and the instrument's reliability has an item reliability value of 0.73 with a good category. The test instrument was applied to 60 students of the tenth-grade of senior high school. Based on the results, the four-tier test instrument developed was able to identify students' conceptual understanding of 36.4%, and 17.7% of students only understood parts of concepts, 40.7% of students experienced misconceptions, and 5.2% of students did not know the concept. The biggest misconception occurred in the subtopic frequency of simple harmonic motion by 75%, the relationship of the rope length with the pendulum vibration period by 60%, and 58.3% about the relationship between the total spring constant and the spring frequency. The instrument developed in this research was able to detect students' misconceptions, especially student learning experiences about simple harmonic motion
Ahmad Zaenudin, I Gede Boy Darmawan, George Laimeheriwa
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 9, pp 161-175; doi:10.24042/jipfalbiruni.v9i1.5859

Gravity measurement has been conducted in South Lampung area to study the characteristics of the distribution of bedrock and igneous rocks, especially those that can be utilized for development in the National Strategic Area of the Sunda Strait. This study uses a 2D qualitative modeling method and utilizing spectrum analysis of complete Bouguer anomaly data. Based on the result of modeling of residual gravity anomaly, it was found that the intrusion pattern on Sulan granitoid pluton and surrounding plutons showed a significant intrusion of the body and scattered in some Tarahan area. 2D qualitative modeling shows Paleozoic metamorphic rocks are responsible as bedding rocks, and the spread was identified scattered throughout the study area, although it cannot be ascertained whether the bedrock in the Bakauheni area is precisely the same rock as the bedrock in Tarahan area. Meanwhile, Quaternary volcanic rocks are still dominated by tuffaceous sandstone and breccia. This method also confirms that andesite lava is commonly found as a product of the eruption of Mount Rajabasa and Pre-Rajabasa in the Bakauheni region. Nevertheless, some potential of basaltic andesite rocks can be obtained in monogenetic volcanic zones exposed around the foot of Mount Rajabasa.
Rinta Dian Pratiwi, Ashadi Ashadi, Sukarmin Sukarmin, Dewanto Harjunowibowo
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 217-227; doi:10.24042/jipfalbiruni.v0i0.4629

This research aimed to analyze the improvement of students' creative thinking skills on the topic of heat and its transfer using the POGIL model. The matter concerning heat and its transfer has some characteristics that enable students to carry out practicum and trigger them to develop their higher-order thinking skills. The method used in this research was pre-experimental with one group pretest-posttest design. A total of 32 seventh grade students at SMPN 1 Jaten Karang Anyar, Central Java, were randomly selected as the participants in this research. To measure the increase in students' creative thinking skills, a multiple-choice test had been developed based on the indicators of creative thinking skills. Based on the results of data analysis, the values of N-gain on the indicators consisting of fluency, flexibility, originality, and elaboration were 0.56, 0.60, 0.46, and 0.53, respectively. Those numbers meant that creative thinking was in the medium category. Further analysis shows that, by using the POGIL model on the topic of heat and its transfer learning, students’ creative thinking skills can be increased, especially on the indicators of fluency and flexibility.
Wartono Wartono, Yohana Fransiska Alfroni, John Rafafy Batlolona , Natcha Mahapoonyanont
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 245-255; doi:10.24042/jipfalbiruni.v8i2.4214

This study aimed to examine the effect of inquiry-scaffolding on critical thinking skills and conceptual understanding. The research design used was a mixed-method embedded experimental model. The samples were 64 students. Two-way ANOVA test results for critical thinking skills and conceptual understanding are the same, where the significance value of the learning model = 0.00 (smaller than the alpha value of 0.05). It means that there are differences in critical thinking skills and conceptual understanding of students who learn by inquiry-scaffolding models ( IS) with conventional models. The interaction value between the learning model and the initial ability to critical thinking skills (CTS) is 0.502, while the conceptual understanding is 0.788. It means that there is no interaction between the learning model and the initial ability to CTS, or conceptual understanding. The results of advanced tests with the Tukey test prove that CTS and the conceptual understanding of students with high ability who experience learning with IS are higher than students with high ability in conventional learning. The same thing also applies to students with low initial ability. Thus, it was concluded that the learning model with an inquiry-based scaffolding technique was superior in improving CTS and conceptual understanding, on students with high and low initial abilities. Therefore, this technique can be used in other learning by using different moderator variables
Yeza Febriani , Riza Ari Rohman, Azmi Asra, Mohammad Apriniyadi, Donata Nariswari Wahyu Wardani
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 141-152; doi:10.24042/jipfalbiruni.v0i0.3918

This study aimed at detecting the presence of groundwater in Masda Makmur Village, Rambah Samo District, Rokan Hulu Regency, using the Schlumberger configuration geoelectric method. The study consisted of 3 sounding points within every 100 m sounding track length. The measurement data is processed using IP2WIN software and Progress to see layer data below the ground level based on the value of the resistivity type. The results showed that the estimated groundwater could be found on track one with a kind of resistivity value of 7,44 Ωm at a depth of 15-22 m. Alleged groundwater can be found on the second track with a type of resistivity value of 75,73 Ωmat a depth of 13-18 m, and the estimated groundwater can be located on the third track with a kind of resistivity value of 82,52 Ωm, 93,26 Ωm. The deeper and the lower resistivity value shows that the layer has the potential as a carrier layer of groundwater (aquifer). Sounding 1 and 2 have the potential to make bore wells which are thought to be depressed aquifer. The results of this study can be used further for mapping the location of community boreholes
Yudi Kurniawan, Riski Muliyani , Shahala Nassim
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 207-216; doi:10.24042/jipfalbiruni.v0i0.4596

The development of digital story conceptual change-oriented (DSCC) has been implemented to reduce the number of students' misconceptions. In this study, DSCC is reviewed based on the story aspect. This experimental design study used a one-group pretest-posttest design. The sampling in this study was taken by a purposive technique involving 114 students from two districts. The diagnostic instrument used was four tier-test and rubrics for assessing the story aspect of DSCC. In determining the decrease of the students' misconceptions, the researchers use the DQM formula. The analysis of DSCC’s assessment result was done using a holistic method. The result of the study shows that there was a decrease in the number of students' misconceptions within the high category. The highest number of the student who decreases after the implementation of DSCC was 100% and that statement of misconception was: "every motionless object has no energy". On the other side, the result of the story aspect assessment shows that there was 20% of students gave negative comments for DSCC’s sequence/chronology events and 10% of the state that the location/ plotting of places was inappropriate(out of character). It is recommended for further research to consider the learning model to optimize the minimalization of the number of students' misconceptions.
Eka Sobiatin , Herianto Herianto, Nur Khosiyatun, Mirra Fatharani, Heru Kuswanto
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 177-185; doi:10.24042/jipfalbiruni.v0i0.4137

Cayenne pepper (Capsicum frutescens L) is one of Indonesian most favorite chili called cabai rawit while Murai Batu (Copsychus malabaricus) is one of the Indonesian bird which has a distinctive sound. This bird is widely found in the territory of Indonesia, therefore, it is exciting to combine cayenne pepper and Murai Batu into a study. This study aims to determine the effect of Murai Batu's sound toward stomatal pores of the cayenne pepper leaves. Two months old cayenne was used in this study. The sound of Murai Batu was obtained by directly recording it using a recording device. The sound recorded was then inserted into the sound analyzer software. The recording of Murai Batu's sound was exposed to the cayenne pepper plant, particularly its leaves. The stomatal pores area of cayenne leaves were observed under a computer-connected microscope. The results of the study show that Murai Batu's sound affects the area of the stomatal pores. The benefit of this study is to provide information regarding the potential of the Murai Batu's sound to increase the photosynthesis process of cayenne leaves by looking at the sound effects of birds' chirping on the stomatal pores leaves the area.
Ahmad Khoiri , Nulngafan Nulngafan, Widha Sunarno, Sajidan Sajidan
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 153-163; doi:10.24042/jipfalbiruni.v0i0.4559

The objectives of this research is to know the characteristics of ethnoscience learning in developing creativity and testing its effect on students' creativity. This type of research is a Quasi-experimental one-group pretest-posttest design. A total of 31-third year students from Physics Education study programs were chosen as the sample of the research through a purposive sampling technique. The data collection methods used were Torrance Test Creative Thinking, creativity questionnaires, in-depth interviews, and documentation. T-test with T-value test by LISREL 8.8 Second-order CFA application was used to analyze the data. The results showed that the ethnographic science learning model is a strategy for creating and designing a learning environment that integrates community culture through environmental studies. Based on the t-test, the indicator of creativity is 4.47, flexibility is 5.22, originality is 4.88, elaboration is 5.96, and redefinition is 6.24, with Ttable of 1,97. It means that ethnoscience learning is effective in increasing student creativity. It is recommended to reconstruct the original science into scientific science to preserve the culture of society which is a challenge in the era of industrial revolution 4.0.
Ulfaturrona Nur Labibah , Insih Wilujeng, Syazana Sulaiman, Lia Rahmawati
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 229-236; doi:10.24042/jipfalbiruni.v0i0.4695

The purpose of a learning media is to become a learning device to facilitate the teaching and learning process in class. The learning process would be more efficient, and it would help students concentrate better. This research aims to develop an android-based learning media application so teachers and students can use it in the teaching and learning process. This research uses the R&D (Research and Development) method. This research uses ADDIE (Analysis, Design, Development, Implementation, and Evaluating) development model which results in a product, which is a valid learning media that can be implemented according to validator assessment that was done in the product trial test in Universitas Negeri Yogyakarta. It can be concluded that this media belongs in the good category based on assessment from media and material specialists validator, 85,7% average percentage is obtained and belongs to the valid category, so android-based physics media integrated with landslide disaster education is feasible to be used in physics learning. This media is made with an interesting and interactive interface so students can have a better understanding of physics learning integrated with landslide disaster education as well as disaster preparedness.
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 237-244; doi:10.24042/jipfalbiruni.v8i2.4840

The use of mobile phones for learning is still becoming a debate in Indonesia. Many schools forbid their students to bring mobile phones to school. This study was aimed to describe the perceptions of physics teachers in Lampung Province regarding the use of mobile phones to study physics. Data was collected from 39 physics teachers from various districts in Lampung Province. The Likert scale with a range of 1 to 5 was used. Descriptive quantitative data analysis was carried out. The results showed that most teachers agree /strongly agree: (1) to utilize mobile phones in learning physics both inside and outside of the classroom, (2) the tendency of students to use mobile phones make the physics learning process efficient. It could strengthen and improve the quality of the learning process. Almost all physics teachers agree /strongly agree with mobile phones usage, because: (1) it could turn the learning process from teacher-centered into student-centered and from content-oriented learning to process-oriented learning, (2) it could improve efficiency and productivity in the learning process. However, they agreed that the use of mobile phones by students could not replace the teacher's role, so physics teachers needed a more sophisticated concept of cellular learning to be implemented
Rizqi Prastowo , Syamsul Huda, Rofiqul Umam, Kittisak Jermsittiparsert, Andika Eko Prasetiyo, Hasan Said Tortop , Muhamad Syazali
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 165-175; doi:10.24042/jipfalbiruni.v0i0.4614

Students' comprehension of the theory is often implemented as an effort to improve their achievements. However, other learning processes are rarely carried out by teachers, such as the practice or tools uses as the lesson application. The purpose of this study is to analyze the learning effectiveness by applying the geophysical surveys practice method or the use of environmental geophysics tools. The assessment of students' abilities is based on the interpretation results of environmental geophysical survey data and the presentations and discussions about the results of interpretation. The TGT Cooperative learning model was used with a quasi-experimental method and quantitative design. Data collection was carried out using a series of research instruments in the form of questionnaires. The results of the study were based on comparisons between the experimental class and the control class. The results show that the experimental class has excellent findings. 1) Based on the results of the post-test, the TGT cooperative learning method is very effective in this study, because teamwork can maintain students' enthusiasm and understanding during the learning process. 2) Retrieval of field data makes students better understand the application of geoelectric concepts and determination of rock resistivity.
Rismawati Rismawati, Sarwanto Sarwanto, Budiyono Saputro
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 187-196; doi:10.24042/jipfalbiruni.v0i0.4422

The learning method is one of the essential factors that influence the success of learning. To build good quality learning, choosing the right method is a crucial step. This study aims to identify differences in student learning achievement by applying two learning methods, project-based learning (PjBL) and guided inquiry (GI) in rectilinear motion and circular motion. The quasi-experimental method was used in this study. The participants were selected by cluster random sampling consisting of two classes (36 students and 35 students) from one of the Vocational Schools in Surakarta. Data collected through multiple-choice tests and interviews were analyzed in descriptive and inferential statistics using ANOVA and t-test. The results show that there is an influence of the learning method on student learning achievement in which both the PjBL and GI method. Students who learned rectilinear motion and circular motion using PjBL got higher scores than the GI method. The implication of this research is as a teacher's reference in choosing learning methods relevant to the rectilinear motion and circular motion and its implementation is expected to improve student learning achievement.
Riki Perdana, Riwayani Riwayani, Jumadi Jumadi, Dadan Rosana, Soeharto Soeharto
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 127-140; doi:10.24042/jipfalbiruni.v0i0.3952

The test of critical thinking skills in specific topics in physics is still rarely. This study aimed to develop a specific test in critical thinking skills in the kinetic theory of gases (CTKTG) and also to assess the students' critical thinking skills. This study used the 4D method (Define, Design, Develop, and Disseminate). The CTKTG test was initially tested in four sample groups: interviews with an expert review (N = 3), professional physics teachers (N = 2), and graduate school students (N = 2), students from secondary schools (N = 29). The test was modified based on the revised results in the initial test. After that, the test was given to a group of students in class XI, who were science students (N = 55). The results showed that internal consistency from the CTKTG test was α = .89 (good). The implementation strategies and tactics are the most difficult aspect of critical thinking skill with a mean of 1.37 (very low) and basic classification is easiest with a mean of 2.84 (average). So, the findings showed that the CTKTG test can be used to measure students' critical thinking skills on the topic of the kinetic theory of gases.
Trisya Afidah Sukma , Mundilarto Mundilarto, Nadia Darma Putri
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 197-206; doi:10.24042/jipfalbiruni.v0i0.4368

This study aims to develop a physics e-book based on local wisdom in Newton's law. This research is research and development (R&D) using the 4D model. The stages are: define, design, development, and disseminate. The sampling technique used is the purposive sampling of 36 respondents. At the define, the stage is done with the preliminary analysis, analysis of learners, task analysis, concept analysis, and formulate learning objectives. In the design stage, the arrangement of the instrument, media and format selection, and design of the initial product. The developing stage includes the review by the supervisor, expert assessment, and product trial. The technique of collecting data uses a questionnaire. The questionnaire used in this study was divided into (1) questionnaire on teacher and student needs, (2) product feasibility questionnaire based on material experts and media experts, (3) student response questionnaires. The results of this study show that physics e-book based on local wisdom is very feasible to use in learning physics in Newton's law material. Based on the research result, learning using e-book based on local wisdom is learning media innovation that supports education in the industrial revolution 4.0 without forgetting local culture.
George Κaliampos, Konstantinos Ravanis
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 1-9; doi:10.24042/jipfalbiruni.v8i1.3737

In this paper, we present the findings of research on mental representations of thermal conduction on the metal of children aged 5-6 years. The research was carried out using interviews of 87 urban area kindergarten students in Greece. The children were asked for predictions and macroscopic descriptions of phenomena illustrated in 3 different tasks during which simple thermal conduction experiments were performed with both daily and non-daily materials. The research results clearly show the vast majority of children express mental representations which are far from the scientific models used in education. Moreover, many children can make predictions on heat conduction without being able to analyze their way of thinking. Finally, differences were found in heat conduction on familiar and non-familiar materials used by children. Findings of the current research study are likely to equip teachers with the appropriate basic tools for designing their teaching interventions in the lessons of heat and thermal conduction for children aged 5-6 years.
Diah Mulhayatiah, Purwanti Purwanti, Winda Setya, Herni Yuniarti Suhendi , Rahayu Kariadinata, Sri Hartini
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 11-22; doi:10.24042/jipfalbiruni.v8i1.3150

This study aims to determine the improvement of problem-solving skills using problem-based digital learning module. The research method used is quasi-experiment design with non-equivalent control group design. The sampling technique used is the purposive sampling of 60 subjects with 30 for the experimental class and 30 for the control class. The research result indicates the learning process both classes runs well. It is proven by the significance of the hypothesis test result which is less than α (0,005) < 0,05). It can be concluded that Ha is accepted and Ho is rejected. It means that there are differences in students’ problem-solving skills in the experiment class and control class. This proves the treatment in the experimental class using problem-based digital learning module integrated with religious values can influence students' problem-solving skills better than the PowerPoint learning media used in the control class
Listiana Listiana, Abdurrahman Abdurrahman, Agus Suyatna, Prasart Nuangchalerm
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 43-52; doi:10.24042/jipfalbiruni.v8i1.2536

This research aimed to examine STEM learning approach effectivity in increasing scientific literacy of senior high school students. The research involved 67Senior High School 5 students Bandar Lampung in Lampung Province, Indonesia. The research design used wasThe Non-Equivalent Control Group Pretest and Posttest Design. The experimental class used STEM Learning Approach and the control class used a scientific approach. The data was collected using pretest and posttest score of scientific literacy inventory. The Effectiveness analysis was done using the Normalized Gain (N–Gain) and Effect Size. Based on the research, the average score of the scientific literacy skill with N-gain of experimental classes was 0.55 and control class was 0.49, both classes were in medium category achievement. The result of effect size test showed that STEM learning approach has an effect size in the medium category of 0.24. Furthermore, based on an analysis of T-test results, there was a difference between the N-gain average score of the students' scientific literacy skill between experimental class and control class. The students who learned with STEM learning approach has a significantly higher degree of scientific literacy skill than those who learned with the scientific approach. So the conclusion in this research is that the students taught using the STEM approach are in the "conceptual" category which is better in explaining the concept, able to describe the relationship between these concepts, and able to analyze alternative solutions and procedural skills and understanding of the process of discovering science and technology
Ummi Kaltsum, Ema Chintya Permatasari, Ngurah Ayu Nyoman Murniati, Wawan Kurniawan, Joko Saefan
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 69-76; doi:10.24042/jipfalbiruni.v8i1.2967

The purpose of this study is to determine the effect of annealing temperature growth on Fe-TiO2 thin film photoactivity. This was made by mixing TTIP, AcAc, ethanol, and Iron Nitrate Nanohydrate, after which the obtained mixture was sprayed and annealed on the substrate for two hours using the coating method. The temperature was increased to 500°C, 550°C, and 600°C, with the thin film photoactivity determined in methylene blue using UV light for 5 hours with decreasing values of COD, BOD, and absorbance. The results show annealing temperature growth increased photoactivity of the thin film. The highest photoactivity at 600°C in degrading methylene blue with decreasing values of COD, BOD, and absorbance was 19.56%, 35.84%, and 66.70%, respectively
Lalu A. Didik, Yahdi Yahdi, Masruroh Masruroh
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 35-41; doi:10.24042/jipfalbiruni.v8i1.3716

Polystyrene (PS) thin film with various concentration of mass (1%, 3%, and 5%) has been deposited onto Quartz Crystal Microbalance (QCM) surface by a spin coating method. The purpose of this research is the improvement of Bovine Serum Albumin (BSA) immobilization into the QCM surface. The QCM resonance frequency has been investigated by means of Impedance Analyzer. The film thickness was calculated by the Sauerbrey equation. The surface roughness of the PS layer was observed by noncontact Topography Measuring System (TMS-1200). Calculation result using a Sauerbrey equation shows the thickness of the PS layer increases with the increasing PS concentration. The QCM/PS with 1% and 5% concentration of mass has rougher morphology and more frequency shifts caused by BSA injection compared to 3% concentration of PS
Widodo Budi Kurniawan, Anisa Indriawati, Dewi Marina, Erman Taer
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 109-116; doi:10.24042/jipfalbiruni.v8i1.3780

A study has been carried out on supercapacitor electrodes as an electrical energy storage media based on pepper shell activated carbon. The Synthesis is done by mixing the waste carbon pepper shell with an activator HCl with a ratio of 1: 4. Furthermore, the activated carbon is activated physically by using a pyrolysis temperature of 600 0C. The SEM results indicate that carbon has a porous morphology with a pore size of 24.6 nm which is a mesoporous category. Electrochemical properties are analyzed using cyclic voltammetry (CV). The CV results at the scan rate of 1 mV/s indicate the specific capacitance value generated is 0.45 Fg-1. The results showed that pepper shell waste has the potential to be used as a supercapacitor electrode material
Titik Rahayu, Kamisah Osman
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 117-126; doi:10.24042/jipfalbiruni.v8i1.4450

The trending topic in today's education is computational thinking skills which are used to help to solve complicated problems easier. This study aims to identify the level of knowledge and self-confidence of science teacher candidates (physics and biology) on computational thinking skills. The survey research design was used through a mixed-method approach by combining quantitative and qualitative approaches. The quantitative study involved 1016 randomly selected groups of science teachers whilein the qualitative study, eight science teachers were chosen based on the scores obtained from the quantitative study. The questionnaire was used as a quantitative data collecting technique to analyze descriptive statistics. Then, an interview was used as the qualitative data collecting technique and was analyzed through theme creation. The findings show that science teacher candidates have a high level of knowledge and self-confidence. The implication of this study is very important for teacher candidates because computational thinking can help to facilitate problems solving in everyday life. Teacher candidates need to be given knowledge and understanding of computational thinking skills, to have readiness and self-confidence in facing the challenges of the learning in the 21st-century
Nandi Haerudin, Rustadi Rustadi, Helmy Fitriawan, Deassy Siska, Muchammad Farid
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 53-67; doi:10.24042/jipfalbiruni.v8i1.3705

Kota Baru is the satellite city of Bandar Lampung. The city is prepared for the expansion of the city of Bandar Lampung. Zonation map of earthquake risk is required for Kota Baru due to its location within the reach of earthquake energy of Semangko subduction fault. In this study, we model the earthquake-prone zone map based on the soil characteristics (site effect) combined with the underground layer model to get a detailed description of the horizontal and vertical soil character. The microtremor method is performed to obtain the zonation effect mapping. Whereas, the ground layer modeling is obtained using the geoelectrical method. The modeling results show that the study area is far from tectonic activity based on the history of past earthquake events. However, this area has a large sediment thickness and has a low dominant frequency value, so it is an area that is vulnerable to earthquakes
Bambang Subali, Firda Nikmah, Imam Sumpono, Siswanto Siswanto
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 99-108; doi:10.24042/jipfalbiruni.v8i1.3654

This study aims to create the design of resultant force vector teaching aids to improve students' conceptual understandings. The method of this study is the experimental method with Pretest-Posttest Control Group Design. The sample of this study is the tenth grade of 3 natural science class (X IPA 3) as the experimental class and the tenth grade of 4 natural science class (X IPA 4) as the control class at 1 Subah Senior High School. The vector teaching aids were tested for the validity by the validator using a questionnaire. The students' responses were measured using a questionnaire. The students' concept understandings were measured from the results of the pretest and posttest scores. The result of the teaching aids' feasibility test is 98.61%, showing that the teaching aids are very feasible to use. The increase of students' concept understandings measured by the students' learning outcomes in the experimental class after using the resultant force vector teaching aids is 0.7 included in the high category. The attitude and interest responses of the students after using the teaching aids get an average percentage of 71.06% included in the high category. Based on the research results, it is recommended for the teachers to utilize the environment to create real learning
Yeni Ristya Wardani, Mundilarto Mundilarto, Jumadi Jumadi, Insih Wilujeng, Heru Kuswanto, Dwi Puji Astuti
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 23-33; doi:10.24042/jipfalbiruni.v8i1.3647

The main purpose of this study is to find out the influence of practicum-based outdoor inquiry model on science process skills. Quasi-experiment design was employed as the research method by Matching Only Post-test Control Group. The research sample was taken using a cluster sampling technique. The samples consisted of experimental class (XI MIA 1) in a total of 25 students treated with practicum-based outdoor inquiry model. The control class (XI MIA 3) consisted of 29 students treated with direct instruction model. In collecting the data, essay test was used in the form of worksheets containing the aspect of science process skills of formulating hypotheses, designing experiment, interpreting data into tables, and drawing a conclusion (inferring). The study results demonstrate that practicum-based outdoor inquiry model was effective in improving the science process skills. It was shown in p-value (significant) of 0.00. The implication of this study is the need to design a practicum-based outdoor inquiry model by noticing what skills are going to improve by means of more varied outdoor activities
Ade Tegar Saputra, Jumadi Jumadi, Debora Wibianne Paramitha, Siti Sarah
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 89-98; doi:10.24042/jipfalbiruni.v8i1.3801

The study aims to find the approach used by students in solving physics problems with symbol and graph representations and also to find out the student's approach to solving qualitative and quantitative questions. This is related to student good problem solvers use multiple representations to solve the problem. They use the qualitative and quantitative approach in a physics problem. The type of research conducted to find out this is quantitative descriptive. In this study, data were obtained by tests and interviews. We give four problems in kinematic motions to undergraduate students. The problem consists of a graphic and symbol representation of qualitative and quantitative problems. The result shows that the quantitative problem of symbol and graphic representation, all of the students only solve the problem without qualitative analysis. That proves in these problems all of the students become a novice problem solver in this problem. Different from it, 84% of students not only solve the qualitative physics problem in symbol representation problems with the qualitative approach but also, we solve with quantitative analysis. On the other hand, they only explain the graph representations problem with descriptions
Adam Malik , Yani Nuraeni, Achmad Samsudin , Sutarno Sutarno
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 8, pp 77-88; doi:10.24042/jipfalbiruni.v8i1.3056

This study aims to determine the implementation of learning by applying the Student Facilitator And Explaining (SFAE) model and the improvement of students' creative thinking skills on the topic of harmonic vibration. The method used in this study is pre-experimental with one-group pretest-posttest design. The samples of this study were students of class X MIA 4 SMA Karya Pembangunan I Ciaparay with a total of 30 students. The sample was chosen by random sampling technique. The field observation sheet instrument was used to observe the implementation of the SFAE model. An essay type test was given in order to measure students' creative thinking skills. This study discovers that the average implementation score of teacher’s activity was 83% which belongs to the good category and the students’ activity was 79% which belongs to the good category. The Improvement of students’ creative thinking skills based on normalized gain was 0.56 which belongs to the medium category. Hypothesis testing used was paired sample t-test with the results of t-count (36.06)> t-table (2.052). This result means that the SFAE model can be used as an alternative for improving students' creative thinking skills for the topic of harmonic vibration. Thus, implementation of the SFAE model can improve students' higher order thinking skills. The SFAE model can also be implemented for learning on other physics topics at various levels of education
Darmaji Darmaji , Dwi Agus Kurniawan, Ai Suryani, Ayu Lestari
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 239-245; doi:10.24042/jipfalbiruni.v7i2.2690

This research was conducted to identify the science process skills of the physics education students of Jambi University in prism refraction practicum after using the basic physics practicum guidebook II. This research is a quantitative descriptive method. The study was conducted with a sample of 91 students. Data collection techniques were carried out using a science process skill observation sheet which was supported by interviews and documentation. Data were analyzed using descriptive statistics. The results showed that most students are highly skilled in implementing science process skills-based practicum with the following percentages: observing by 48.35%, classifying by 38.46%, measuring by 39.56%, predicting by 58.64%, compiling data tables by 51.65%, making graph by 58.24%, planning the experiment by 61.54%, and conducting the experiment by 45.05%. The students were also quite skilled in constructing hypotheses and defining variables with the percentage of 57.14% and 39.56%, respectively. The results of the study are expected to be used as a consideration for study programs and other faculties at Jambi University as well as other universities to conduct related studies.
Farida Ariyani , Taras Nayana, Antomi Saregar , Yuberti Yuberti, Agitha Pricilia
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 227-237; doi:10.24042/jipfalbiruni.v7i2.3072

The internalization of character education in science learning through a variety of learning media has been researched recently, one of which is through the photonovela media which is the medium of insertion of character values in learning material. The focus of this research is; 1) developing photonovela learning media with character education on work material and energy, 2) knowing photonovela media feasibility as a supplement to physics learning with character education on work material and energy 3) knowing the response of students to photonovela media with character education in an energy material. This research is a Research and Development study adopted the development of Borg and Gall with the subject of junior high school students. The research instruments used were questionnaires by material experts, media experts, and junior high school physics teachers and questionnaires for students' responses in the three schools. The results of the assessment by material experts obtained a percentage of 85%, the assessment of media experts was 90%, and the assessment of junior high school teachers was 84.16%, while the response of students in three junior high schools was 87.6%, 94%, and 93.6%. In conclusion, this study produced a product in the form of appropriate photonovela media as a supplement to physics learning with character education on business material and energy
Muhammad Minan Chusni, Rizki Zakwandi, Aan Hasanah, Adam Malik, Adeng Muchtar Ghazali, Mujib Ubaidillah
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 219-226; doi:10.24042/jipfalbiruni.v7i2.2781

Scientific literacy is the ability to use scientific knowledge, identify problems, and draw conclusions based on evidence, in order to understand and make decisions about nature and changes that occur in nature as a result of human activity. This study aims to determine the development of physics teacher candidates’ scientific literacy. This is important to prepare the physics teachers in the future. The method used was ex-post facto. The subjects of this research were all students of physics education Department of UIN Sunan Gunung Djati Bandung from the first to the last semester. The data collection used was essayed tests which contained the context of science, the content of science, the process of science, and the attitude of science. Data analysis was done qualitatively and quantitatively. Based on the results of this study, it indicates that the scientific literacy ability possessed by physics teacher candidate students experiencing a continuous development in terms of the context of science, science content, the process of science, and attitude to science. The result of this research may be applied by the Physics Department to make a decision or rule on how to improve the physics student’ literacy level
Wartono Wartono, Johannis Takaria, John Rafafy Batlolona , Sascha Grusche, Muhammad Nur Hudha , Y. M. Jayanti
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 139-151; doi:10.24042/jipfalbiruni.v7i2.2629

Inquiry-discovery learning plays an important role in improving high-order thinking skills (HOTS) and scientific literacy (SL). In this HOTS and SL research, it was designed with Inquiry-discovery based learning. The purpose of this study was to promote Inquiry discovery models in empowering higher-order thinking skills and scientific literacy in physics with different classes. This research used Quasi-Experimental Design research, and Pretest-Posttest Control Group Design. The research analysis design matrix used two-way ANOVA. The sample was taken from two classes, namely the experimental and control classes of 68 students. The results of the study prove that Inquiry discovery can improve HOTS and SL physics of students. Thus, inquiry-discovery can be recommended to increase student's HOTS and SL physics when compared to conventional classes. The novelty of this study is that inquiry-discovery learning models are more likely to reconstruct students' scientific knowledge of physics on aspects of HOTS and SL with real-world life.
Zakaria Sandy Pamungkas , Nonoh Siti Aminah, Fahru Nurosyid, Sri Wahyuni
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 161-169; doi:10.24042/jipfalbiruni.v7i2.2909

The purpose of this research is to measure students critical thinking skill in solving scientific literacy using a metacognitive test based on scientific literacy. This research is descriptive research. The subject of this research is 99 students of grade XI in SMA Batik 2 Surakarta. Data collection methods used are test methods which using a metacognitive test based on scientific literacy. Data analysis techniques use quantitative descriptive analysis. The results showed that the achievement of scientific literacy is still low at below 50% for all category. This is due to students critical thinking skill in solving all category of scientific literacy problem is still low. Low student critical thinking skill in solving science as a body of knowledge in the assessment stage with the percentage achievement is 21%. Low percentage achievement of critical thinking skill in solving science as a way of thinking is a clarification (34%), assessment (46%), inference (26%), and strategy (12%). Low percentage achievement of critical thinking skill in solving science as a way of investigating is assessment (39%), inference (5%), and strategy (6%). Low student critical thinking skill in solving science as an interaction between technology and society in the assessment stage with the percentage achievement is 31%.
Ade Yeti Nuryantini, Ea Cahya Septia Mahen
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 117-128; doi:10.24042/jipfalbiruni.v7i2.2901

Education nowadays is demanded to produce students who have beneficial skills of the 21st century in dealing with problems in the era of information and digital technology. Therefore, it is necessary to change the emphasis of learning patterns. In this paper, the results of the application of 21st-century skills in learning Basic Physics 1 in the Physics Education Study Program, UIN Sunan Gunung Djati Bandung using a scientific approach is presented. Learning activities were conducted based on low budget materials and ICT in the form of tracker software. The results showed that students were skilled in using tracker (90%), had science processing skills (excellent 5.2%, good 74.0%, and fair 20.8%), and fostered curiosity (92.0% ), careful attitude (92.2%), caring for the environment (73.0%), honest (93.0%), and cooperative (97.0%).
Meta Dwi Ayuningtias, Agus Suyatna , Eko Suyanto , Legborsi Nwineh
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 183-193; doi:10.24042/jipfalbiruni.v7i2.2518

This study aims to develop an interactive electronic school book on blackbody radiation LCDS- based that are valid as self instructional materials to foster students' critical thinking skills. The method used is research and development. The stages of this research are the existing potentials and problems found, information gathering, product design, product validation, final revision of product, and legibility tests and ease of operation. This research instrument is questionnaire. Interactive electronic school book have supporting content that is, user manual, user learning process, video, animation, simulations, and interactive tests. Expert test for product consist of content validation with score 3,36 (very appropriate) and design validation with score 3,45 (very appropriate). Readability of interactive electronic school book on blackbody radiation LCDS- based got score 3,23 with good quality. Ease operated interactive electronic school books on black radiation got a score of 3.28 which means it can be operated independently.
Febrianto Putra , Ika Yunita Nurkholifah, Bambang Subali , Ani Rusilowati
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 171-181; doi:10.24042/jipfalbiruni.v7i2.2898

5E learning cycle strategy was students center oriented learning model. The learning process becomes more meaningful, which are prioritized authentic experience of students, made students become actively participating, able to critical thinking skills and creatively. The phases of the learning cycle 5E consist of engagement, exploration, explanation, elaboration, and evaluation. The purpose of the research was increased learning motivation and conceptual understanding improved by discovery learning due to the 5E learning cycle strategy. The research was conducted at SMA Teuku Umar Semarang. The research has used a qualitative approach. The type of research is classroom action research (CAR). The data analysis technique used a percentage of the learning motivation and the students' understanding concept. The percentage applied discovery learning by both of the first CAR cycle is 78% and the second CAR cycle is 92%. The conceptual understanding was shown better in the second CAR cycle. The effectiveness discovery learning can be interpreted from the normalized gain. The score of the normalized gain is 0.52. The category of the normalized gain is a medium gain. Students' motivation was increased by both the first cycle is 62% and the second cycle is 82%. Based on the decision of the research, it can be concluded that the 5E learning cycle process can influence increased students learning motivation and students understanding the concept not only heat concept but also heat transfer concept.
Irwansyah Irwansyah, Sukarmin Sukarmin, Harjana Harjana
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 207-217; doi:10.24042/jipfalbiruni.v7i2.2703

The purpose of this research was to know the validity and reliability of instrument three-tier diagnosis to identify the students’ misconception in fluid concept. The stages of development research that used in this research were (1) The first research and collecting information, (2) planning and designing of development (3) validity and product evaluation. The instrument of the test was tested on 98 students of 3 schools. The instrument has been developed and categorized effectively because it has a valid category with the Aiken validity index value> from table V (0.75) and the reliability of the instrument has a value of 0.96 with a high category. The instrument of three-tier test that developed was able to identify the students' comprehension in students' concept and students' misconception. There are 27,58% students comprehend the concept, 45,29% students did not comprehend the concept, 24,74% students showed that misconception and 2,36% students experienced errors
Muhammad Syahrul Kahar , Ismail Suardi Wekke, Muhamad Ruslan Layn
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 195-206; doi:10.24042/jipfalbiruni.v7i2.2802

This study aimed at identifying how did the improvement in the problem-solving ability of learners work in improving the ability of learners in constructing the materials obtained after the development of LKPD (Learner’s Worksheet) in classroom learning. This research used Research and Development (R & D) approach using the Kemp model. Data collections were done through problem-solving tests, validation analysis, and correlation test. The indicators of this study included the effectiveness of the developed learner’s worksheet and the increased ability of problem-solving that was seen from the learning results obtained. The results showed that the average increase in the learning outcomes of the learners was equal to 79.44 with a difference in the scores of learning outcomes where tcount = 32.806 > ttable = 1.734, with a significance level of 0.000. Also, the improvement of learning outcomes on the response of learners gives significant influence with a score of 0.338 with a significance level of 0.085. Based on these results the development, the problem-solving oriented students’ worksheet is declared valid and effective based on the results of validation tests by experts and the results of the implementation of classroom learning. These results impact the students’ learning outcomes. It is expected that in the learning process with different materials, the worksheet can be applied in improving students' ability to solve problems. It is suggested for a research to collaborate the worksheet with other models and, media that can be linked to the problem-solving aspects, so that in its implementation, students have the confidence to succeed, be more active, and interested in problem-solving given.
Ferni Malega, I Putu Tedy Indrayana , Edi Suharyadi
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 129-138; doi:10.24042/jipfalbiruni.v7i2.2913

The Fe3O4 nanoparticles have been successfully synthesized from natural iron sand by using co-precipitation method at a temperature of 56oC. The elemental identification, structural characterization, and bonding analysis were carried out using XRF, XRD, and FTIR, respectively. The sample nanoparticles contain elements of Al, P, Ca, Ti, V, Cr, Mn, Ni, Cu, Zn, Rb, Re, Bi, and Fe. The composition of Fe element is 87.37%. The sample of the nanoparticle exhibited as the Fe3O4 which was shown by the diffraction pattern that belongs to a cubic spinel structure of Fe3O4. The crystallite size of the nanoparticle is 42.25 ± 0.42 nm. The lattice parameter was found at 8.384 ± 0.049 Å. The crystallite density is 5.232103 kg/m3 while the lattice strain is 1.41310-3/line. The FTIR spectra confirm that the existence of Fe-O stretching vibration in the range frequency of 658 cm-1-506 cm-1
Arif Billah, Arif Widyatmoko
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 153-160; doi:10.24042/jipfalbiruni.v7i2.2803

This study aims to produce virtual laboratory interactive learning media that is effective and practical for the subject of physical optics. It uses the Research and Development (R & D) method. The material in the learning media includes dispersion, diffraction, interference, and polarization. Users of this product can be directly involved in observing, measuring and taking practical data. Product development has been validated by material expert, media expert, and practitioners (teachers). This product has also been tested in one-to-one, small groups, and field trial. Based on the results of the assessment by material expert, media expert, teachers, and field trial, this learning media software is categorized as “excellent” with a value of 4.63 for validity, “medium” with an n-gain value of 0.37 for effectiveness, and “excellent” with a value of 4.49 for practicality.
Fharia Fhadhila, Candra Ertikanto, Undang Rosidin
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 21-32; doi:10.24042/jipfalbiruni.v7i1.2318

This research aims to develop a product in the form of Student Worksheet of temperature and heat based on Scientific Process Skills. The study was conducted within five stages: analysis, design, development, implementation, and evaluation. The results of the research showed that Student Worksheet’s construct validity value of 80.30% and 70.96% of content validity. Student Worksheet has a questionnaire value of easiness of 3, 29, attractiveness of 3.32 and usefulness of 3.19. Student Worksheet effectively increases the average of the students’ learning outcomes both in the cognitive domain of 80.00, affective domain of 81.30% and psychomotor domain of 80.81. Based on the results of the research, it can be said that Student Worksheet achieved the goal of characteristics development i.e., possesses content validity and construct validity in the good category, user feedback questionnaire with the result of very easy to use, highly attractive and helpful, and the effectiveness of increasing the average students’ learning outcomes in the very high category. For future studies, the researchers suggest that the Science Process Skill-based worksheets are not only applied to the temperature and heat material but can be applied to other branches of science.Keywords: Scientific process skills, student worksheet, temperature and heat
Andi Ikhtiar Bakti, Paulus Lobo Gareso
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 33-39; doi:10.24042/jipfalbiruni.v7i1.2459

Activated carbon is produced from coconut shells through physical and chemical activation. With pyrolysis method, the optimum activation temperature for physics activation is 600oC, and for chemical, activation is to soak it in activator ZnCl2 10% and Na2Ca3 10%. Activated carbon was analyzed by Fourier Transformation Infrared (FTIR) and X-ray Diffraction (XRD) methods. The FTIR result showed that the coconut shells succeeds in becoming carbon. The XRD results confirm the existence of several phases of crystals like graphite around the peaks of 36o and 44o, there are two wide diffraction peaks and can be interconnected with carbon and graphite content. The SEM result showed that the carbonization of pyrolysis and activation processes created porosity and a large surface area for absorption.Keywords: activated carbon, coconut shell, FTIR, SEM, XRD
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 1-9; doi:10.24042/jipfalbiruni.v7i1.2326

In this paper, we present the findings of a research which has two objectives: firstly, it recorded 12-13 years old (7th grade) students’ mental representation regarding the vision of non-luminous objects, and, secondly, it emphasized on the relative cognitive fields. The research was done through interviews of 107 urban area students in Greece. The students were asked to explain how objects become visible, stressing the following themes: The manner in which our eyes help us see the objects, whether natural or artificial light helps us see the objects and in what way, and if the objects emit light. The data analysis led to the recording of the students' basic mental representation on the one hand, while on the other hand emphasized the reemission or reflection of light by the luminous objects as a basic mental representation.From the research results, it can be concluded that through a teaching intervention based on mental representation we can foster and enhance scientific thinking and learning about light and vision.
Rahma Diani , Yuberti Yuberti, Muhammad Ridho Syarlisjiswan
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 105-116; doi:10.24042/jipfalbiruni.v7i1.2849

This research aims to develop an active learning media in the form of Web-Enhanced Course. This research and development research follows the development steps of Borg & Gall. Data collection instruments used were validation sheets and questionnaires. The assessments’ average score for the feasibility of the product from the material experts is 84.83%, from media experts is 81.76%, and informatics experts are 83.61% in the very feasible category. Furthermore, the percentage of the results of small-group testing is 76.44% and for field-testing is 82.97%. Thus, the developed product is suitable to be used as a media for physics learning. The web is developed using the Problem-Based Learning (PBL) for the Basic Physics II subject
Muhammad Minan Chusni, Rizki Zakwandi
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 11-19; doi:10.24042/jipfalbiruni.v7i1.2143

Research should be focused on topics that are appropriate to the needs of the times so that the results of the research can be applied. Students in completing their studies are required to make final assignments in the form of research. Therefore, this study aims to identify the tendency of research of the Physics Education students Indicator the last five years and to determine the theme of educational research studies that allows for further study by Physics Education students in the future. This research was conducted in physics education program with research objects were taken from the written thesis of 2013 until 2017. This research design is a case study with data analysis technique of descriptive qualitative and quantitative. this study found the theme of research studies most studied by Physics Education students were a model of learning and research studies that may still be studied further, namely the evaluation of learning, learning media, and learning strategies on subjects other than temperature and heat and static fluids. The results of this study can be used as a consideration to determine the topic of the thesis and reduce the risk of plagiarism and increase the variety of research in the environment of the study program.Keywords: Physics Research, Research, Students' Researchers, Trend analysis
Santih Anggereni , Muh. Syihab Ikbal
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 41-47; doi:10.24042/jipfalbiruni.v7i1.2329

This research is descriptive research that aims to know: 1). Description of physics laboratory management related to the layout based on the standard of facilities, 2). The description of the management of physics-related physics laboratory based on the standard of facilities, and 3). Description of the management of the physics laboratory related to safety and health based on the standard of facilities and infrastructure. The population of this research was six state senior high schools (SMAN) in the north region of Makassar. Three samples were obtained by purposive sampling. The results Showed that the management of the layout of the physics had met the standard. Spatial Management of the laboratories was categorized as less appropriate with the standards. Occupational Health and safety (OHS) is categorized as less appropriate with the standards. Based on the results obtained it can be concluded that only in the aspect of the management of the physics laboratories' layout is in line with the regulation of the Ministry ofNational Education No.24, 2007.
Ratna Agustini, Agus Suyatna
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 49-57; doi:10.24042/jipfalbiruni.v7i1.1848

The purpose of this research is to develop inquiry-based practice equipment of heat conductivity to foster the students’ critical thinking ability. The research method employed was research and development (R & D). The development model used was ADDIE (Analysis-Design-Development-Implementation-Evaluation) model. Validation of product development was done by science education experts. Field-testing was conducted to the seventh-grade students of State Junior High school 3 (SMP Negeri 3) Blambangan Umpu Way Kanan. The data collection was done through observation, questionnaires, and tests of the effectiveness of fostering students' critical thinking ability. Data analysis was done through paired sample T-Test and independent sample T-Test. The results showed that the inquiry-based practice equipment of heat conductivity was effective in fostering the students’ critical thinking ability the value of N-gain 0.70 (high category). The equipment and its guides were considered interesting, practical, and useful by the students. So, it is concluded that the inquiry-based practice equipment of heat conductivity is able to foster the students' critical thinking ability
Supeno Supeno, Subiki Subiki, Laili Widya Rohma
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Volume 7, pp 59-70; doi:10.24042/jipfalbiruni.v7i1.2247

The ability to solve physics problems is one of the goals in learning physics and a part of the current curriculum demands. One of the physics problems that are often the focus of attention in learning is Newton's law of motion. When solving physics problems on Newton's law of motion, students need to utilize various aspects of certain abilities and rules. The purpose of this study was to reveal how the students utilized aspects of the abilities and rules in problem-solving. The study was conducted by providing physics problems on Newton's law of motion to 105 high school students. The result showed that most students were able to write equations, solutions, and system of units correctly for each problem. However, students’ ability to determine the coordinate axes, depicts free-body diagrams, forces representation, and determine the resultant forces and direction of motion was unsatisfactory. Students tended to refer to the mathematical formulations in solving the problems. Therefore, physics learning that requires students to actively learn collaboratively, peer instruction, and procedural thinking can be used as an alternative learning strategy to overcome said problems.
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