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241	Science Education	ABS-273
A Validation of Pre-Learning Questions on Concept Mastery and Creative Thinking Skills in RADEC Learning Model : States of Matters and Mixture Separation Topic Rendi Restiana Sukardi, Wahyu Sopandi, Atep Sujana, Fanny Sumirat, Yeti Nurhayati, Fransiska Astri Kusumastuti, Shela Surya Dwiyani Universitas Pendidikan Indonesia Abstract The results of research related to the RADEC model show that one of the most difficult parts faced by teachers is preparing pre-learning questions for pupils. Pre-learning questions in the RADEC model have a role to focus pupils on the material or skills that must be mastered by pupils. One of the 21st century skills that must be mastered by pupils is creative thinking skills. Therefore, the purpose of this research is to develop and validate pre-learning questions oriented to mastery of concepts and creative thinking skills. The research was Research and Development model that applied some steps such as need assessment, product development, field trial, and product revision. In the needs assessment stage, information was obtained that pre-learning questions related to the topic of state of matters and mixture separation must raise socio-scientific and contextual issues. The validation results from content experts and teachers showed that the pre-learning questions made met the criteria for use. The field trial stage was intended to see the readability of pre-learning questions. The results of the field trial showed that there were several dictions that had to be replaced because they were not familiar to the pupils. Keywords: RADEC, pre-learning questions, concept mastery, creative thinking skills, states of matters, mixture separation Share Link | Plain Format | Corresponding Author (Rendi Restiana Sukardi)

242	Science Education	ABS-18
Analysis of test results based on the development of inquiry indicators on hydrostatic pressure material P S Dewi (1, 2*), A Widodo (1), D Rochintaniawati (3), and E C Prima (3) 1 Science Education, School of Postgraduate Studies, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudhi No. 229, Bandung 40154, Indonesia 2 Primary Education, Universitas Lampung, Jl. Prof. Sumantri Brojonegoro No. 1, Bandar Lampung 35144, Indonesia 3 International Program on Science Education, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudhi No. 229, Bandung 40154, Indonesia Abstract The study involved 30 questions consisting of 6 themes of hydrostatic pressure material, the questions were made by researchers through a process of expert guidance and then tested on 17 intermediate students. The purpose of the study was to identify the level of students^ understanding of the questions of inquiry, with different stimuli according to the theme through indicators developed by the researcher. The question instrument has been validated by 3 raters, using the ANOVA F-test method to determine the strength of the agreement on the intraclass correlation coefficients, the results are categorized as good because there are only 2 inadequate items. Furthermore, these results are aligned with Cronbach^s Alpha reliability testing and the internal consistency of each question is calculated using the product-moment correlation, the test results show 4 invalid questions. The implication of the overall results reinforces that students need science questions that encourage inquiry thinking to raise curiosity about investigative activities with stimulus questions that are by everyday science phenomena. For this reason, more optimal teacher training is needed in teaching how to deliver inquiry competencies for each phase of their activities, so that students get feedback that can be applied in their lives. Keywords: science test questions- inquiry- indicator development Share Link | Plain Format | Corresponding Author (Pramita Sylvia Dewi)

243	Science Education	ABS-274
Learning and Presentation Tools for Physical Disabilities Through Speech Recognition Riyanto Setiyono, Nanang Nasrulah, Sally Octaviana Sari, Octa Maryance, Hennie Husniah LANGLANGBUANAN UNIVERSITY Abstract The development of assistive technology in the learning process for people with special needs is an important issue in supporting equality in educational accessibility. Physical disabilities are individuals who experience permanent physical disabilities in the means of movement (bones, muscles, joints), so that the success of the educational process requires special handling, such as assistive devices in operating hardware. Learning aids and presentations for physical disabilities have now been developed using brain waves but are still not practical and not easy to use. In this paper, we developed a mouse and devices that can control TV monitors and lights for people with physical disabilities using speech recognition, which is the process of identifying voices based on the spoken words. Keywords: physical disabilities. assistive, speech recognition Share Link | Plain Format | Corresponding Author (Nanang Nasrullah)

244	Science Education	ABS-22
ESD Integrated STEM Education: What is the Perception of Students Prospective Science Teacher? B K Vilmala (a*,e), A Suhandi (b), A Permanasari (c), I Kaniawati (d) a) Postgraduate Program, Graduate School, Indonesian University of Education, Jl. Dr. Setiabudi No. 229, Bandung 40154, Indonesia berrykurniavilmala[at]upi.edu b) Department of Physics Education, Indonesian University of Education, Jl. Dr. Setiabudi No. 229 Bandung 40154, Indonesia c) Science Education, Universitas Pakuan, Jl. Pakuan, Bogor, West Java 16129, Indonesia d) Department of Physics Education, Indonesian University of Education, Jl. Dr. Setiabudi No. 229 Bandung 40154, Indonesia e) Science Education Program, University of Muhammadiyah Riau, Jl. Tuanku Tambusai,Pekanbaru, Indonesia Abstract STEM education has been widely applied in Indonesia, both at the Elementary School, Middle School, and even Higher Education levels. Universities, especially Science Education Program has the task of being able to provide students prospective science teacher with STEM Education. STEM education can be integrated with Education for Sustainable Development (ESD) in achieving the Sustainable Development Goals (SDGs). This research was conducted to see the perception of students prospective science teacher towards STEM Education which is integrated with ESD. This research was conducted using a descriptive method with a survey approach. There were 45 respondents (n = 45) of students prospective science teacher at one of the universities in Pekanbaru. Data were collected using a questionnaire consisting of closed and opened statements about the perception of students prospective science teacher towards STEM education that was integrated with ESD. The answers from the students were analyzed and after that conclusions were described. The results showed that students had a very good perception of ESD-integrated STEM Education. However, students prospective science teacher do not know how to apply this STEM Approach in science learning at schools. Therefore, efforts are still needed to introduce STEM education to students prospective science teacher at the implementation level in science learning in the classroom, especially when it is integrated with the ESD concept. Keywords: STEM Education, STEM Approach, ESD, SDGs Share Link | Plain Format | Corresponding Author (Berry Kurnia Vilmala)

245	Science Education	ABS-41
Digital and Information Literacy: LabXChange as a Media to Improve it for Undergraduate Student^s Milla Listiawati (a), Sri Hartati (a) Riki Purnama Putra (b*), Shidiq Andhika (b), Rena Denya Agustina (b), Deni Miharja (c) a) Program Studi Pendidikan Biologi, Fakultas Tarbiyah dan Keguruan, UIN Sunan Gunung Djati Bandung. Panyileukan, Jl. Cimencrang, Kec. Gedebage, Kota Bandung, Jawa Barat. 40292, Indonesia b) Program Studi Pendidikan Fisika, Fakultas Tarbiyah dan Keguruan, UIN Sunan Gunung Djati Bandung. Panyileukan, Jl. Cimencrang, Kec. Gedebage, Kota Bandung, Jawa Barat. 40292, Indonesia *purnamariki20[at]gmail.com c) Program Studi Agama-agama, UIN Sunan Gunung Djati Bandung. Panyileukan, Jl. Cimencrang, Kec. Gedebage, Kota Bandung, Jawa Barat. 40292, Indonesia Abstract Learning media is very important in order to facilitate learning or the income of an information. In this 21st century, learning is not only focused on how to get, but also how to find. 21st century learning is also emphasized on digital literacy and also information literacy which is considered a fast door to learning. With high literacy and information literacy, it will facilitate the learning process carried out by students. This study aims to determine whether using LabXChange can improve or facilitate subjects in digital literacy and information literacy. This study also aims to find out whether LabXChange there is a correlation between the two variables or only one variable. Pre-Experimental design was used as a method in this study with a one group pretest-posttest design. The research subjects amounted to 15 subjects with a sampling technique that is purposive sampling. This study obtained results that using LabXChange there was an increase in two domains, which means that the use of LabXChange can improve digital and information literacy among undergraduate students Keywords: Learning Media, LabXChange, Digital Literacy, Information Literacy, 21st Century Learning Share Link | Plain Format | Corresponding Author (Riki Purnama Putra)

246	Science Education	ABS-77
Program Improvement Through Competency Tracking Sandra Sukmaning Adji (a*), Sri Hamda (b) Universitas Terbuka (a*), Jln. Cabe Raya, Pondok Cabe, Tangerang Selatan Universitas Terbuka (b), Jln. Cabe Raya, Pondok Cabe, Tangerang Selatan Abstract The students will feel satisfied when their learning had fulfilled their needs. This study aims to obtain an overview of the profile of graduates and their competitiveness in the community and the employee response also. The study was conducted on teachers who graduated from chemistry education program and the employee of the graduated. The sample used was 36 graduates and 36 employee from a total population of graduates was 119. The questionnaire for the graduates used a scale of 4 and the questionnaire for the employee used a scale of 5. The questionnaires were content validated by experts. The results showed that high competence demonstrated were in lesson plans (X=3.14), manage laboratories (X=3.13) and the ability to communicate/opinion (X=3.11). The high expectations for the components of making evaluations of learning outcomes (Y=3.73), lesson planning (Y=3.70) and ability in information technology (Y =3.70).The high gaps were shown in the components of English ability (GAP = 0.96), Research methodology (GAP = 0.69) and Information technology (GAP = 0.68). Furthermore, the results of the employee assessment show that high competencies were in for Numeracy skill (M= 4.27) and ICT skill M=4.05. While the high expectations for Numeracy skill (M= 4.55) and ICT skill (M=4.05). The high gaps were shown in the components of General knowledge (GAP=0.78) dan English communication (GAP=0.75). The quadrant analysis of the graduates demonstrates that there was no component got low performance and high expectation, but on the employee shown that general knowledge and English communication had low performance high expectation and it^s priority needs. Institution could review and revise also the curricula such as an academic programmes that in line with the graduates needs Keywords: graduates^ performance, graduates^ interest, employee^ responses Share Link | Plain Format | Corresponding Author (Sandra Sukmaning Adji)

247	Science Education	ABS-80
Systems Thinking on Renewable Energy: A Bibliometric Analysis Dindin Nasrudin, Agus Setiawan, Dadi Rusdiana, and Liliasari Universitas Pendidikan Indonesia Abstract Renewable energy is an integral part of the sustainable development process by involving economic, environmental, and other influential factors. It takes a holistic approach to analyze each other^s relationships. This study aims to reveal the analysis of the results of systems thinking research related to renewable energy using the Scopus database for the last five years (2016-2020). The research method used bibliometric analysis of the PRISMA model. The results show (1) the most productive authors in systems thinking on renewable energy research, (2) the most influential individual works, and (3) the most robust area and the periodic progression of system thinking on renewable energy research. This study concludes the research map of systems thinking on renewable energy that can be used as a reference for further research. Keywords: bibliometric analysis, renewable energy, systems thinking Share Link | Plain Format | Corresponding Author (Dindin Nasrudin)

248	Science Education	ABS-81
STUDENTS INQUIRY SKILL IN WEB BASED INQUIRY: AN ALTERNATIVE OF ONLINE LEARNING Diana Rochintaniawati1), Ari Widodo 1), Eka Cahya Prima 1), Miftah Umi1), Alifa Irna Yasin2), Pramitha Sylvia2), 1) International Program on Science Education FPMIPA UPI 2) Science Education Post Graduate Studies UPI Abstract Inquiry is activity where students find information, design and conduct he experiment, analyze data, make conclusion as well ad communicate the finding. The study aims to profile students^ inquiry skill by using web based inquiry learning (WIBL) that can be use as an alternative of online learning. The study involved 29 students in private school that use Cambridge Curriculum. The sample was taken purposively for the class where students are get used to using IT in their learning. The study employ descriptive method to describe the profile of students^ inquiry skills consisted of: posing question, make hypothesis, plant the experiments and make conclusion. The result of the study in average students gain high interpretation in research question formulation, hypothesis formulation, planning the experiment, analysing data and making concluions. This indicate WIBL suports students inquiry by providing direction of inquiring steps that allow students to follow the inquiry procedures. WBIL create a student-centered activity involving the technology which facilitate student do the inquiry during the online learning process. The study suggest that WBIL can be use as an alternative media to conduct the online inquiry-based learning, including during the pandemic COVID-19. Keywords: Web based inquiry learning, inquiry skills Share Link | Plain Format | Corresponding Author (Diana Rochintaniawati)

249	Science Education	ABS-89
Analysis of The Effect of Intellectual Intelligence, Emotional Intelligence, Spiritual Intelligence And Organizational Commitment On Employee Performance With Structural Equation Modeling Method Osep Hijuzaman (a*), Muhammad Ali akbar (b), Robi Herdiyanto (c) (a) (b) (c) Industrial Engineering STT Wastukancana Abstract PT. XYZ is a manufacturing company that produces semiconductor components, during 2017 - 2020 the performance of PT. XYZ^s employees in the production section is always below the target set by the company, the reason for not achieving the company^s target standards is because there are still many employees who do not work optimally such as lack of attitude of responsibility, lack of motivation, teamwork, work not according to procedures and lack of regularity and accuracy in work which of course can reduce productivity, while what is expected by the company is that employee performance can increase stably, even if it can, employee performance is expected to be above the competency standards that have been set. This study aims to determine the effect of intellectual intelligence, emotional intelligence, spiritual intelligence and organizational commitment on the performance of production employees at PT. XYZ. The sampling method used was simple random sampling and the determination of the number of samples in this study using the Slovin formula resulted in 160 respondents, the data used were primary data with a questionnaire technique, hypothesis testing was carried out with multiple linear regression analysis techniques using a two-tailed test. with the application of Analysis of moment structure version 24. The results showed that intellectual intelligence, emotional intelligence and spiritual intelligence had a significant positive effect on employee performance in the production division at PT.XYZ while the organizational commitment variable did not significantly affect employee performance. Keywords: Intellectual Intelligence- Emotional Intelligence- Spiritual Intelligence- Organizational Commitment- Employee Performance Share Link | Plain Format | Corresponding Author (Osep Hijuzaman)

250	Science Education	ABS-95
ANALYSIS OF COMPANY PERFORMANCE USING BALANCE SCORECARD METHOD Mohammad Mawan Arifin (a*), Muhammad Farrel Fawwazi (b), Osep Hijuzaman (c) Industrial Engineering STT Wastukancana Purwakarta Abstract This study aims to measure the performance of the company PT. Nutech Pundi uses the Balanced Scorecard from a financial perspective using the indicators of Net Profit Margin (NPM), Return On Investment (ROI), and Return On Equity (ROE). To answer the non-financial perspective, this study used a questionnaire addressed to managers, organizational structure, employees and customers of PT. Nutech Pundi Arta. The data will be analyzed using the Multiattribute Attitude Model method which is used to determine the overall performance. Based on the results of the study, it shows that the company^s performance is good, this is indicated by the manager^s attitude towards the condition of the company^s performance stating that they are very satisfied because they are in the range of values 0-80- From a financial perspective, the company is declared ineffective because the Net Profit Margin in 2020 is smaller than in 2019 and 2018, Return On Investment in 2020- smaller than in 2019 and 2018. Return On Equity in 2020 is smaller than in 2019 and 2018, meaning the ability to the company in generating profits is not effective- From the customer perspective, the performance is good, meaning that the customer^s attitude towards the company^s performance is in the 80-160 value range. in the perspective of the company^s internal business processes, the performance is good, meaning that the manager^s attitude towards the company^s working conditions lies in the range of values from 80 to 160. From the perspective of growth and learning, the company^s performance is good, meaning that the attitudes of managers and employees to the company^s working conditions are in the satisfied category because they are in the 80-160 value range. Keywords: Balanced Scorecard- performance measurement- business process- competitive advantage. Share Link | Plain Format | Corresponding Author (Mohammad Mawan Arifin)

251	Science Education	ABS-96
HUMAN ERROR ANALYSIS WITH SYSTEMATIC HUMAN ERROR REDUCTION AND PREDICTION APPROACH (SHERPA) AND HUMAN ERROR ASSESSMENT AND REDUCTION TECHNIQUE (HEART) METHODS IN THE PROCESS OF MAKING BREAD BRAND X Asep Hermawan (a*), Osep Hijuzaman (b), Irfan Nasihin (c) Industrial Engineering STT Wastukancana Purwakarta Abstract This study aims to analyze and find corrective solutions to the cause of the highest human error in bread production operators in a manufacturing company in Indonesia. Measurement of human error is carried out using the Systematic Human Error Reduction and Prediction Approach (SHERPA) method to predict possible human errors and Human error Assessment and Reduction Technique (HEART) to determine the probability of operator failure in carrying out their duties. The results showed the mixer division operator that the operator did not prepare the raw materials correctly and the operator did not prepare the dough formula correctly with a HEP value of 0.16 each, in the make up division operator it was found that the operator did not do filling & make up correctly and the operator did not panning & racking correctly with the HEP value of 0.88, in the oven division operator it was found that the operator did not do the baking process correctly and the operator did not slam the pan correctly with the HEP value of 0.459 and 0.88, respectively. , and in the packaging division it was found that the operator did not sort the product correctly, the operator did not set the big former according to the item, and the operator did not set the metal detector, check weighter, and counter correctly with HEP values of 0.64, 0, respectively. 8, and 0.8. Repair solutions that can be done are by providing regular refreshment training to the operators of each division, briefing by the direct superiors of each division before and after carrying out work, making a checklist of raw materials according to company standards, enforcing a change of baking and slamming tasks. to other operators on a regular basis to prevent over-fatigue, to change sorting tasks to other operators on a regular basis so that the concentration of sorting operators is maintained, to make a sorting checklist in accordance with company standards. Keywords: Human error- SHERPA- HEART. Share Link | Plain Format | Corresponding Author (Asep Hermawan)

252	Science Education	ABS-99
PROPOSED LAYOUT DESIGN FOR WIRING HARNESS FACILITIES USING SYSTEMATIC LAYOUT PLANNING METHOD Indra Gumelar (a*), Hady Sofyan (b), Moh Mawan Arifin (c), Allycha Wachyudie (d), Osep Hijuzaman (e) Industrial Engineering STT Wastukancana Abstract This study aims to propose a facility layout design in the Making of Wiring Harness. This is investigated based on the background of the problem of the layout of facilities that are not consistent with the production process, the distance between operators is not adequate, the room temperature is always hot resulting in work fatigue and the work productivity of employees becomes ineffective and efficient. The method used in this study is Systematic Layout Planning, namely the arrangement of the workplace with a workplace area that has an ergonomic distance from each other to create a comfortable work environment (Muther, 1984). The result of this research is that the wiring harness manufacturer uses seven production facilities with two line layout facilities for each work area, namely Housing, Assembly, Checker, Tieback, Insulock, Visual and Freedel. Based on the results of the proposed layout design that has been done, there is an expansion of the production floor, especially at each work station. Area expansion is carried out starting from housing, assembly, checker, tieback, p.insulock, visual and freedel. There is also the use of empty areas to be used as storage of finished products and an additional 50% allowance according to the industrial facility method (Purnomo, 2004). The allowance for the initial layout is 1.5 meters for manpower from each work station, this distance is considered less effective because in addition to production activities there is also a manpower trajectory in two directions, according to the industrial facility method, the layout of the proposed distance for manpower is increased to of 2.5 meters. In this layout design, the total production floor area is 486 square meters for the initial layout production floor area is 375 square meters, the additional production area needs can be accommodated because there is still an empty and usable area, so the total area is 111 square meters. Keywords: Syatematic Layout Planning- Activity Relationship Chart- Activity Relationship Diagram-Machine layout- industrial facilities. Share Link | Plain Format | Corresponding Author (Indra Gumelar)

253	Science Education	ABS-100
The effectiveness of SETS-based Science Texbook in the Topic of Environmental Pollution for Improving Students^ Achievement Parno(a*), Anita Dwi Suprapty(b), Nuris Afisah(b), Novida Pratiwi(b), Marlina Ali(c) a)Physics Education, Universitas Negeri Malang, Indonesia *parno.fmipa[at]um.ac.id b)Science Education, Universitas Negeri Malang, Indonesia c)School Education, Universiti Teknologi Malaysia, Malaysia Abstract Environmental pollution is closely related to the problems of daily life, but students^ achievement is not yet optimal. Meanwhile, the SETS-based science texbook resources on this topic are still rarely used in the learning process. This study aims to develop SETS-based science texbook in the topic of environmental pollution that are valid, feasible, and effective in improving students^ achievement. This research with a four-D research and development design used a validation questionnaire and an environmental pollution achievement test with a Cronbach alpha reliability of 0.945. In the effectiveness test, the experimental class uses a science textbook and the control class does not, but both classes are taught using the same model, namely SETS learning. The results of the content validation, which is conducted by a science lecturer, and the science texbook readability, which is conducted by two science teachers and twenty eight grade of junior high school students, showed that this science texbook was valid and feasible to be used to improve students^ achievement. The results of the effectiveness test in seventh grade students showed that the experimental class students used SETS-based science texbook had significantly better achievement than the control class. In addition, the increasing of N-gain in experimental class students (0.506 medium category) was higher than control class students (0.367 medium category), and this study had a field practical implementation effect in the 0.57 (medium category). Thus, the SETS-based science texbook on the topic of environmental pollution are effective in improving students^ achievement. The recommendation for future research is that the SETS learning model is integrated with the STEM approach with formative assessment to build students^ achievement. Keywords: SETS, science texbook, Environmental Pollution, Achievement Share Link | Plain Format | Corresponding Author (Parno Parno)

254	Science Education	ABS-150
Landslide Analysis in Bojongkondang, Cihanjuang, Cimanggung, Sumedang Regency, West Java Antonina Pri MARTIRENI(a*), Koko HERMAWAN(a), Okta FAJAR(a) ,Adrin TOHARI(a), Eko SOEBOWO(a) Research Center for Geotechnology, Indonesian Institute of Sciences, Bandung, Indonesia. Jl. Cisitu, Sangkuriang Bandung 40135 antonina.martireni84[at]gmail.com Abstract Landslide is the movement of land due to disruption of its natural balance. Landslide is influenced by several factors, those are controlling factors and triggering factors. The purpose of this study was to examine the effect of the stability of the former embankment slopes into settlements. The load caused by settlements in weak rock conditions is also the cause of the landslides. To analyse slope stability and geotechnical properties along the landslide, 3 points of undisturb (Shelby tube) sample data were taken, rainfall observations, aerial photographs, rock lithology and morphological forms were taken. From the results of observations of rainfall in the last 10 years, it indicated that in January-May 2021 it was 160 mm/day with a very heavy category. The Cimanggung landslide caused 34 houses were damaged. Changes in land use also occurred from 2015 to 2020. The change in elevation due to landslide was ± 4 m. 3D modelling is performed by comparing the results of aerial photographs and Landsat images obtained the landslide volume of 13,180 m3. Geologically, the landslide areas are composed of weathered volcanic breccia rocks, tuffaceous sand, lapilli (Qyu). In the landslide zone there are no traces of water seepage or ground water were found. This indicates that the groundwater table is quite deep. The morphology of the landslide area is hill intrusion slopes in the southern part which forms a valley to the southwest with a slope of ± 25 - 35 degree. The landslide had dimensions of ± 45 m width, ± 143 m length, and ± 30 m height. The height of the landslide area is 690 - 730 masl. The landslide zone is 264 degree from the north with an area of 5.252 m2. The calculation of the slope safety factor was analysed using slide software v5.0. Keywords: Landslide, slope stability, rocks, rainfall, aerial photography, morphology, geology. slide Share Link | Plain Format | Corresponding Author (Koko Hermawan)

255	Science Education	ABS-158
Eco Enzyme Sustainable Product as Existence Millennial Preneur Students during Covid-19 Pandemic Dina Rahmawati, Nuraini Kamaluddin, Mohammad Zulizar 1IAIN (Institut Agama Islam Negeri) Ternate, Ternate, North Maluku, Indonesia 2Universitas Khairun, Ternate, North Maluku, Indonesia. Abstract Seeing the impact of the covid-19 outbreak and the opportunity to revive the economy, researchers have an alternative to develop a product where this product can be produced or made by anyone, but researchers are more embracing and emphasizing the development of potential for young millennials, especially students, for the production of this product. This product is called eco-enzyme, which is a processed product from household waste such as fruit peels and vegetable waste, which is easy to make. Making eco-enzymes can also overcome environmental pollution from household waste. The millennial generation can be entrepreneurial in producing eco-enzymes as well as having the ability to solve real problems that will be faced in the present and in the future during the COVID-19 pandemic. Making eco enzymes for 3 months, with this activity can optimize the existence of potential millennial preneurs. Keywords: ECO ENZYME, MILLENIAL PRENEUR, COVID 19 Share Link | Plain Format | Corresponding Author (Dina Rahmawati)

256	Science Education	ABS-161
Determination of soil wetness using high-frequency soil moisture at a public facility of Purwakarta Regency Hilda Lestiana (a*), Sukristiyanti (a), Rizka Maria (a), Asep Mulyono (a) Research Center for Geotechnology, Indonesian Institute of Sciences Jl. Sangkuriang Bandung 40135 hilda.lestiana[at]brin.go.id, hilda.lestiana[at]gmail.com Abstract The Cipularang Toll Road is a public infrastructure in Purwakarta Regency, which important facility that supports the economic growth in West Java Province. The wetness of the soil condition can cause a disaster such as landslides is one problem on this toll road. The value of wetness variations is quite difficult to classify. Our goal in this study is to understand our data better and determine high and low soil wetness based on soil moisture classification. Determination using the high-frequency method of soil moisture is expected to show areas with high intensity and indicate areas with fewer intensity levels of wetness. Four simulations have been done with picked random data. The result suggests that the Very high-frequency (VHF) method has succeeded in detecting the area with high moisture conditions. The soil wetness distribution can give benefit for further interest such as detection potential of the hazard area. Keywords: Soil wetness, high-frequency, Cipularang Toll Road Share Link | Plain Format | Corresponding Author (Hilda Lestiana)

257	Science Education	ABS-164
ACHIEVEMENT OF STUDENTS^ THINKING LEVEL IN ONLINE LEARNING ON ENERGY SUBJECT Yunni Handayanie, Muh. Dwiky Julian Universitas Pendidikan Indonesia Abstract Online learning has giving an impact on students^ ability to think. This study aims to obtain information about the achievement of students^ thinking levels in online learning on energy subjects. This study is a descriptive study involving 41 junior high school students. The learning is held two times, the first meeting used zoom meeting which discussed about energy sources and the second meeting used a whatsapp group which discussed about energy changes. The instrument used in this study is a level of thinking question consisting of multiple choice questions and essays. The thinking levels measured in this study are: level 1 (retrieval), level 2 (comprehension), level 3 (analysis), level 4 (knowledge utilization), level 5 (metacognition) and level 6 (self system). The results showed that students were able to reach level 3 (analysis). About 71% of students were able to reach level 3 (analysis). Keywords: Student^s Thinking Level, Energy Share Link | Plain Format | Corresponding Author (Yunni Handayanie)

258	Science Education	ABS-185
Investigating the Impact of Distance Learning with STEM at Home Strategy on Improving Elementary School Students^ Critical Thinking Skills Fitri Nuraeni, Shareefa Amalia, Oktian Fajar Nugroho Universitas Pendidikan Indonesia Abstract This research investigates the impact of using the Science, Technology, Engineering, and Mathematics (STEM) approach in distance learning, called STEM at Home, on improving elementary school students^ critical thinking skills. The type of research used is a quasi-experimental design with a non-equivalent pretest-posttest control group in science learning involving 56 students in an elementary school in Purwakarta. Data were collected through a critical thinking test instrument before and after distance learning is carried out. Results suggest that students who received learning with the STEM approach have better critical thinking skills than students who learned through the conventional approach. Keywords: Distance learning, STEM education, critical thinking skills Share Link | Plain Format | Corresponding Author (Fitri Nuraeni)

259	Science Education	ABS-189
The Evaluation of ChemFUN Android Application on Mobile Connectivity, Materials, and User Interface Eliyawati Eliyawati (a*), Rika Rafikah Agustin (b), and Naufal Rabah Wahidin (c) a, b, c) International Program on Science Education Study Program, Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia. *eliyawati[at]upi.edu Abstract The development of android applications increases rapidly in education. The use of the android application as learning media has become popular. One of the android applications that has been made is ChemFUN android application. This study attempts to evaluate ChemFUN android application for exploring student^s understanding of chemical representation by analyzing the mobile connectivity, materials, and user interface. The research method that was used is a descriptive method by using purposive sampling. There were six science teachers and thirty-six students involved as a research subject. The results show that the average score of the teacher respondents on mobile connectivity, materials, and user interface are 3.72, 3.67, and 3.67. On the other hand, the average score of the student respondents on mobile connectivity, materials, and user interface are 3.61, 3.45, and 3.62. Thus, although the average score of the respondent is good, the android application still revises in several aspects to perfect the performance. Finally, the ChemFUN Android application is ready to explore student^s understanding of chemical representation in learning matter. Keywords: ChemFUN Android Application, Mobile Connectivity, Materials, and User Interface Share Link | Plain Format | Corresponding Author (Eliyawati Eliyawati)

260	Science Education	ABS-204
Students^ Concept Mastery through The Use of Web-Based Inquiry Learning on Coordination and Response Topic Miftah Ummi Hanifa(a*), Diana Rochintaniawati(a) , Tuszie Widhiyanti(b) a) International Program on Science Education FPMIPA UPI b) Chemistry Education Department, FPMIPA UPI Abstract In the sphere of education, technological advancements are incredibly meaningful. Pandemic conditions caused by Covid-19 tend to shift the learning system to online learning and in able to preserve students from becoming passive during this learning, their participation is needed. WBIL (Web-Based Inquiry Learning) is an online platform that allows students to actively participate doing investigation through internet-based. The purpose of this research is to investigate the students^ concept mastery by the implementation of WBIL. There are 29 students in grade 8th from one private school in Bandung Barat chosen using convenience sampling and use Cambridge curriculum. The method used is pre-experimental with pre-posttest design. The data was analyzed using paired t-test, the data is normally distributed, homogenous (0.156 > 0.5) and H0 is rejected (0.000 < 0.05). Therefore, the results shows there is significance difference after the implementations. Each level cognitive has been analyzed and the C3 levels gain the highest category, meanwhile the rest is on the medium category. Further analysis is using N-gain and the score is 0.52 which is interpreted as medium. Keywords: Concept Mastery, Web-based inquiry, Science Share Link | Plain Format | Corresponding Author (Miftah Ummi Hanifa)

261	Science Education	ABS-207
DEVELOPMENT OF ADOBE FLASH-BASED MEDIA TO DESIGN AN ONLINE LEARNING Raissa Mataniari, Aprizal Lukman, Fatria Dewi Universitas Jambi Abstract Independent Campus is the new policy proposed by the Ministry of Education and Culture Republic of Indonesia which has been conducting in Indonesian universities. The program provides freedom for students to decide their courses with possibilities taking courses from different study program, and even different university. Various activities that could prepare students for their future career are also provided through this program. Adoba Flash-based media is developed in this research to help Lectures in designing their curriculum for Independent Campus program. The media comprises features to guide lecturers in designing coherent curriculum instantly. The results of this research is expected to help the lecturers to independently capable in designing their own teaching and learning activity. The 4D Development model is used in this research. There are three stages of 4D model used: define, design and develop. Questionnaires with likert^s scales are used to get users^ perspectives on the use of the media. Keywords: Adobe flash media, independent campus, 4D Model Share Link | Plain Format | Corresponding Author (Raissa Mataniari)

262	Science Education	ABS-208
ANTIOXIDANT ACTIVITY OF EXTRACT AND NANOEMULSION IPOMOEA AQUATICA FORSK WITH DPPH METHOD Endang Darmawan (a), Nadiatul Istiqamah Suaka (b), Salma Ersyara Putri Nugraha (c), Rizka Arum Pratiwi (d), Rahmadia Nurafifah (e) Universitas Ahmad Dahlan, Yogyakarta Abstract Cognitive is one of the high-level functions of the human brain. Improving cognitive function can improve the ability to process and organize information to be more maximal and this can be achieved with cognitive enhancer drugs or brain supplements for healthy individuals, known as nootropic drugs. Nootropic drugs have side effects of addiction and vertigo. Therefore, alternatives are needed in improving brain performance to prevent and treat cognitive diseases, one of which is the Ipomoea aquatica Forsk Nanoemulsion. Ipomoea aquatica Forsk has high antioxidant activity that improves cognitive behavior, memory and increases neurotransmitters. Preparations in the form of nanoemulsion can increase absorption, drug solubility, and may increase drug bioavailability which has an impact on the increased absorption of Ipomoea aquatica Forsk in the gastrointestinal tract affecting the onset of ipomoea aquatica forsk as a brain nutrient. Thisresearch aims to find out the antioxidant activity of Ipomoea aquatica Forsk extract and Ipomoea aquatica Forsk nanoemulsion with the DPPH method. Ektrak Ipomoea aquatica Forsk is extracted by soxhletation method in ethanol solvent 96%: aquadest (6:4) and continued uji antioxidant activity is carried out by the DPPH method in visiblespectrophotometry with gallic acid as a positive control. The results showed that Ipomoea aquatica Forsk extract and Ipomoea aquatica Forsk nanoemulsion had antioxidant activity as free radical catchers. IC50 Ipomoea aquatica Forsk extracts and Ipomoea aquatica Forsk nanoemulsions are very strong at 10,724 μg/mL and 12,699 μg/mL. Keywords: Ipomoea aquatica Forsk, Nanoemulsion, DPPH Share Link | Plain Format | Corresponding Author (Nadiatul Istiqamah Suaka)

263	Science Education	ABS-210
ALTERNATIVE HERBAL MOUTHWASH OF RED GUAVA FRUIT (Psidium guajava) EXTRACT AS A PREVENTIVE OF COVID-19 IN INDONESIA Salma Ersyara Putri Nugraha Universitas Ahmad Dahlan Yogyakarta Abstract In early 2020, the world was shocked by the coronavirus outbreak (COVID-19) that infected almost all countries in the world. WHO since January 2020 has declared the world into a global emergency related to this virus [1]. In guava there are compounds myricetin, luteolin, kaempferol and hesperidin. Luteolin is known as a furin protein inhibitor, which is thought to be one of the enzymes that breaks down the Coronavirus^s S (spike) protein [2]. The hesperidin/hesperitin compound in the study in silico is known to inhibit the RBD domain bonding of the SARS-Cov-2 spike protein with ACE2 receptors in humans so that hesperidin is predicted to potentially inhibit the inclusion of the SARS-Cov-2 virus. Myricetin is known to act as a helicase inhibitor of SARS coronavirus. Kaempferol acts as an autopaghy modulator, both as an inducer and an inhibitor. Both can be utilized in strategies to inhibit the SARS-CoV-2 virus. The high content of Vitamin C causes this fruit to be used as an immune booster when physical conditions are needed to fight diseases including viruses [3]. This mouthwash can be one of the effective ways to suppress the spread of covid because Coronavirus can spread through saliva droplets [4]. In collecting the required data, the authors used the Library Research method, which is that the information obtained refers to several national and international journals related to the themes. The goal in this writing is to be expected that this innovative product can be utilized by the public as an alternative solution for COVID-19 mouthwash derived from red guava extract herbal, thus reducing the prevalence of COVID-19 in Indonesia. Keywords: COVID-19, red guava fruit, an alternative mouthwash. Share Link | Plain Format | Corresponding Author (Salma Ersyara Putri Nugraha)

264	Science Education	ABS-220
Environmental Awareness: A Little Step to Sustainable Development Goals (SDGs) Marisa Christina Tapilouw Universitas Kristen Satya Wacana Salatiga, Indonesia Abstract Generation Restoration as a theme of World Environment Day could be an important moment for making our environment sustainable. Environment restoration could be succeed if everyone have environmental awareness as a reflection of sense of belonging to environment. One of Sustainable Development Goals (SDGs) is ^Clean Water and Sanitation^. Previous research about Science teacher^s perspective about environmental problem, revealed that waste is the main environmental problem. And also environmental problem form student^s perspective. In this research, there are three main idea based on student^s perspective: kind of waste, how to manage waste and the concerns about natural environment during pandemic Covid-19. The major respondents are students and teachers. The results showed that waste sorting can be done with environmental awareness and green attitude. Environmental awareness as a key of waste management, that can support little step to achieve Sustainable Development Goal^s. Keywords: Environmental Awareness, Waste, SDGs Share Link | Plain Format | Corresponding Author (Marisa Christina Tapilouw)

265	Science Education	ABS-222
Student^s Perception on Water Cycle in Palembang-South Sumatera Meilinda*, Annisa Salsabila, Diah Wulandari, Khoiron Nazip, Riyanto, Departement of Biology education, University of Sriwijaya Abstract Students^ understanding of the water cycle will affect their behavior towards the water. This study aims to explore the perceptions of junior high school students about the water cycle. The research sample consisted of 73 junior high school students grades 7-9 from 6 schools with A, B, and C accreditations in Palembang South Sumatera. Data were collected quantitatively using 14 questions specifically developed for this study. The data were retrieved using Google Form. It was found that although the seventh-grade students had learned about the water cycle, they had an incomplete picture of the water cycle as shown by only 5% of them who can name all the water cycle processes. They think that evaporation comes only from water bodies such as lakes and seas. Although 24 students believe that plants play a role in the water cycle, it is not in the form of transpiration but the ability to hold water in the soil during infiltration. The students cannot understand the global water cycle. Only 2 students answer how rain can occur in a desert. An incomplete understanding of the water cycle is also found in the detailed processes in each process such as evaporation, cloud formation, and freezing and melting of water at the poles. When the students were asked to relate human activities to the quality of water resources, 49 of them could not answer. Although they considered water to be important for living things and need to be protected, only one student answered that the amount of water that can be consumed is limited and will decrease if it is not taken care of. This study implies that further research needs to be done on developing the cognitive abilities of junior high school students to understand the cyclical water cycle. Keywords: Student^s Perception, Water cycle, South Sumatera Share Link | Plain Format | Corresponding Author (meilinda meilinda)

266	Science Education	ABS-240
The Profile of Students^ Outcome Learning Dimensions Toward E2P Subject Using PjB-EcoP Model Nurasyah Dewi Napitupulu1, a) and Amiruddin Hatibe1, b) Universitas Tadulako, Kampus Bumi Tadulako, Jln. Soekarno Hatta Km. 9 Tondo, Palu, Sulawesi Tengah 94118 Abstract Abstract. Students^ outcome dimensions toward Energy and Ecological Phenomena (E2P) are needed in environmental physics learning. The focus of the study is to determine the profile of students^ outcome learning using Project-based Ecopedagogy (PjB-EcoP). Research participants were 59 Physics Education students who were allowing Environmental Physics lectures. By purposive judgment sampling, samples were obtained as the control group (N=22 people) and the experimental group (N=37 people). The research method uses a Mixed Methods Research (MMR) embedded experimental model with a Quasi Experiment One Group Pretest-Posttest design. Data on outcome dimensions were obtained with validated instruments Psychomotor Observation Sheet, with 18 statement items. The results showed that: (1) E2P course is a lecture oriented to ecopedagogy theory, authentic, multi and interdisciplinary, and reconstructive the E2P knowledge- (2) The percentage of students^ cognitive dimension scores before intervention was 48.3 and 81.4 after learning- (3) The percentage of students^ affective dimension scores before the intervention was 58.4 and after the intervention was 83.4- (4) Percentage of psychomotor dimension score after intervention 80.9- (5) The N-Gain in the cognitive dimensions of students is 83.3% in the good category- an increase in the attitude dimension of 60% of students in the less category- and the acquisition of psychomotor dimensions is 80.9% in good category. It is concluded that: (1) The E2P learning is quite effective in increasing students^ outcome dimensions with authentic, multi and interdisciplinary characteristics, and constructing knowledge dimension- (2) Profile of student^s outcome dimensions with PjB-EcoP are in a good category- (3) Increasing students^ outcome dimension is in the sufficient category. The results of this study are expected to be implemented in other lectures to improve the outcome dimensions. Keywords: Outcome dimensions, Energy and Ecological Phenomena (E2P), Project-based Ecopedagogy (PjB-EcoP) Share Link | Plain Format | Corresponding Author (Nurasyah Dewi Napitupulu)

267	Science Education	ABS-244
Learning and Presentation Tools for Physical Disabilities Through Speech Recognition Riyanto Setiyono, Nanang Nasrulah, Sally Octaviana Sari, Octa Maryance, Hennie Husniah Langlangbuana University Abstract The development of assistive technology in the learning process for people with special needs is an important issue in supporting equality in educational accessibility. Physical disabilities are individuals who experience permanent physical disabilities in the means of movement (bones, muscles, joints), so that the success of the educational process requires special handling, such as assistive devices in operating hardware. Learning aids and presentations for physical disabilities have now been developed using brain waves but are still not practical and not easy to use. In this paper, we developed a mouse and devices that can control TV monitors and lights for people with physical disabilities using speech recognition, which is the process of identifying voices based on the spoken word. Keywords: Speech Recognition, Indonesian Verbal Commands, mouse, Electronic Devices Share Link | Plain Format | Corresponding Author (Hennie Husniah)

268	Science Education	ABS-247
Relative Permeability from Digital Analysis of a Sandstone Synthetic Core Astra Agus Pramana1, Muhammad Fajrul Ilmi1, Petroleum Engineering Dept., Universitas Pertamina, Jakarta, Indonesia Abstract This research contains about the search for petrophysical parameters in digital Core samples as well as modelling in the form of 3D from synthesis sandstone samples that have a pixel size of 5123, which aims to determine porosity value, absolute & relative permeability (krw), krw vs Sw result curve, for the calculation method used is the Corey-Exponent method, as well as Core-logs. The results of this study show similarities in simulation and calculation results, as well as by comparing the results of simulations with existing laboratory results resulting in a value close to the laboratory results, the difference in results can be caused by various things both due to human factors and factors of the application, so that a good ability is needed in the application to minimize errors that occur. It is also worth noting that the computer device used also affects how the application runs, so it is better if the computer used has above average specifications. Keywords: Digital Core, Porosity, Relative Permeability, Sandstone, Simulation. Share Link | Plain Format | Corresponding Author (Astra Agus Pramana)

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