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The influence of the development of Science and Technology (IPTEK) on the world of education, so that both teachers and students are required to always adapt to existing developments. Technology is the result of knowledge originating from the world of education therefore the world of education should utilize technology to increase efficiency in learning. Chemistry among students is still considered material that is difficult to understand. One of its attractions is the abstract nature of chemical material. Chemistry learning does not only include theoretical learning but also includes practical activities. This research was carried out to determine the effect of using a virtual laboratory on students' skills during direct practicum. The method used in this research is a quantitative method that uses a lot of numbers, starting from data collection, interpretation of the data and presentation of the results. A total of 52 students in class XI, Department of Mathematics and Natural Sciences at SMA Negeri 1 Sliyeg. Presenting the results in the form of a representative table will increase the reader's level of understanding and make it easier to access information. Virtual laboratories help students understand the practical process. Based on the results of data analysis obtained from filling out the questionnaire, it was found that 78.8% or the majority of students answered agreeing that the virtual laboratory had an effect on increasing pH testing. This proves that the use of virtual laboratories can be a way out so that when doing direct practicum students do not experience difficulties and the practicum runs more effectively.

A reliable, efficient and high quality electrical energy supply is certainly very necessary. Frequent damage to electronic equipment and practical equipment in Building A, Faculty of Science and Technology (FST), Jambi University, prompted the author to conduct research on analyzing the quality of electrical power in this building. The research aims to analyze the quality of electrical power in building A FST. The research method used is the observation method which cannot influence the variables studied but can only record and observe the data that has been measured. The power quality quantities measured are voltage, current, active power, reactive power, power factor, voltage harmonics and current harmonics in each main panel. Based on the research results, the problem that occurs in the main panel of transformer A is load imbalance, namely at a percentage of 5.56% to 6%, the standard set by the IEC is only 5%. and the occurrence of current harmonic distortion (THDi) at a percentage of between 24%, the standard set by IEEE is 12%. The problem that occurs in the main panel of transformer B is that it has a low power factor value in the R and T phases, namely below 0.85. The occurrence of load imbalance is at a percentage of 10.9% to 12%, the standard set by the IEC is only 5%. The occurrence of voltage fluctuations is +7.4%, the standard according to PUIL 2011 is +5% with a value of 231 Volts and -10% with a value of 198 Volts and the occurrence of current harmonic distortion (THDi) is very high at a percentage of 29.83% to 58.419%, the value permitted by the IEEE standard is 15%.

This study investigates the intrinsic relationship between mathematics and classical music by analyzing harmonic patterns in compositions of renowned composers such as Bach, Mozart, and and Beethoven. The research employs an analytical quantitative approach, using statistical tools to map and identify numerical ratios within musical intervals and the relationships between chords. Data were collected from selected musical works to examine interval structures and harmonic progression patterns. Findings reveal that classical music exhibits consistent mathematical patterns, including the octave (2:1), perfect fifth (3:2), and other proportional relationships that form the basis of chord construction and harmonic coherence. These patterns demonstrate that mathematical principles are inherently embedded in musical compositions, allowing for an objective analysis of music structure without diminishing its aesthetic and emotional value. Furthermore, the study highlights the value of an interdisciplinary perspective, combining quantitative analysis with traditional music aesthetics, which provides new insights into understanding compositional techniques and creativity. The results also suggest that recognizing mathematical structures in music can contribute to a deeper understanding of music theory and education, enhancing how students and scholars approach musical analysis. Overall, this research emphasizes that integrating mathematical and artistic perspectives not only supports the scientific study of music but also encourages a holistic appreciation of the creative process, bridging the gap between art and science while offering practical implications for music pedagogy, theory, and performance studies.

The implementation of science learning in schools has complex and varied challenges. This research aims to identify several general problems that arise in the implementation of science learning and find solutions that can increase the effectiveness of this learning. The problem of implementing science learning in class VI at SDN Pegangsaan Dua 05 this morning does not have too many challenges, because it suits the students' interests. The strategy is carried out through approaching students and conducting peer tutoring. It is hoped that this research will enable teachers in elementary schools to evaluate teaching results in class. Parental involvement in science learning is very lacking, but the role of parents in helping with the practical tools to be used is sufficient and very helpful.

This research aims to determine the effectiveness of practicum activities to improve student learning outcomes at SMA Negeri 2 Tondano. This type of research is quantitative descriptive research that uses a survey method to describe and explain data based on the reality in the field. The research was carried out by distributing questionnaires to teachers and students, observation sheets, and practical activity sheets with data sources consisting of 30 students of class X Science 1, 30 students of class X Science 2, and biology teachers. Based on the research results, the level of readiness to obtain data for class X IPA 1 At the implementation stage of the practicum activities for class X Science 1 is 91%; the efforts made to improve the quality of practicum implementation are by improving practicum weaknesses such as the availability of tools and materials, good laboratory management, conducting evaluations, arranging implementation schedules and paying attention to laboratory layout in order to carry out practicum optimally. The factors that influence the quality of practicum implementation include student motivation, limited tools and materials, practicum schedule, availability of facilities and infrastructure, teacher's role in practicum activities, and students' active thinking.

The main objective of this research is to study learning media Fingerglass human breathing simulator. Utilization of simulation models designed to resemble the human respiratory system serves as an invaluable educational tool. The aim is to facilitate a comprehensive understanding of scientific concepts, particularly in the field of natural sciences, with the ultimate goal of practical application in everyday life. By using this simulator it is hoped that students will be involved to be actively involved in the learning process, fostering a high interest in understanding the subject matter. This research took place at UPT SDN 17 Gresik for Grade 5 students. The model used is a simulator of the human respiratory system following the ADDIE model, which consists of five stages: analysis, design, development, implementation and evaluation. This model is based on the scientific approach to ADDIE development theory outlined by Robert Maribe Branch. The validation process for two levels of material expert validators I and II resulted in a validation level of 85% indicating that the material was included in the valid category. Likewise, the results of the validator material expert validator II show a validation level of 100% which is also included in the valid category. This implies that the contents of the learning media are relevant to the subject matter of the fifth grade Human Respiratory System in elementary school. Thus it can be concluded that the quality of the Fiberglass Learning Media Human Breathing Simulator meets valid criteria in terms of the material it contains. In addition, the student's response obtained a value of 87% indicating that the Human Breathing Simulator Fiberglass Learning Media was very suitable for use in the learning process

The Islamic financial economy is progressing in both developing and developed countries. The financial industry and other forms of Islamic economic institutions are growing, ranging from the Middle East, Asian region, to Western countries such as the UK. Unfortunately, the development of Islamic economics at the practical level has not been matched by the development of Islamic economics on the theory side. Whereas as a science, Islamic economics also not only needs to be transformed into a practical-implementative level, but must also be accompanied by developments on the academic-theoretical side. The gap between the availability of limited resources and unlimited human needs is an important issue that must be addressed by the concept of Islamic-based economics, where the goal of the Islamic economic system is the benefit of each individual. The research method used in this research is the library research method. By reviewing previous journals that are relevant to studies related to economics and Islamic finance. The results of this study indicate that Islamic finance is a manifestation of economic behavior based on Islamic teachings which includes how to view economic problems, analyze, and propose alternative solutions to various economic problems. The emphasis of Islamic economics is on how Islam provides views and solutions to various economic problems faced by humanity in general.

Instant granules are preparations in the form of granules that are served by brewing and are widely chosen because of their practicality. Natural materials are widely used as antioxidants, but they still need to be made practical for their use. Therefore, this literature review was conducted to provide information regarding the formulation, evaluation of instant granules, and natural ingredients used in instant granules. This research method was carried out by studying literature from various data sources, namely the Directory of Open Access Journals, Science Direct (DOAJ), Garuda, and Google Scholar. A literature search was carried out using several keywords such as "formulation", "instant granules", "natural compounds", "herbs", and "antioxidants". The search results for various natural ingredients with antioxidant effects have been formulated into instant granule dosage forms. The formulation of instant granules is generally carried out using the wet granulation method. Evaluation of preparations carried out were physical evaluation of preparations, hedonic tests, and antioxidant activity tests. The content of phenol group compounds and vitamin C is found in many natural ingredients used in the manufacture of instant granules. The antioxidant activity of combined natural ingredients can provide stronger activity than a single active ingredient. Therefore, the utilization of phenol group compounds from various herbs as antioxidants are expected to continue to be developed.

This research was conducted in Toddopulia Village, Tanralili District, Maros Regency. The purpose of this study is (1) To find out how the marketing communication strategy is carried out by BUMDes in increasing sales volume at the Jaya Abadi Bumdes Store, Toddopulia Village, Tanralili District, Maros Regency. (2) To find out what are the obstacles faced by BUMDes in increasing sales volume at the Bumdes Jaya Abadi Store, Toddopulia Village, Tanralili District, Maros Regency. The benefits of this research are (1). Theoretical Benefits.This research is expected to provide benefits and contribute to the development of Communication Science, especially social communication. (2). Practical Benefits. This research is expected to increase knowledge and insight about sales communication strategies.

This community service activity focuses on training in the preparation and observation of fungal cell preparations at SMA Negeri 1 Banawa, Donggala Regency. The issue faced is the lack of understanding and skills among students in the field of biology, particularly regarding the structure and function of fungal cells. The goal of this activity is to enhance students' understanding of basic biological concepts and practical skills in preparing fungal cell preparations. The methods used in the training include opening, introducing basic theory, preparing preparations, and microscopic observation. The research results indicate that students successfully prepared samples from spoiled ketan rice, moldy bread, and spoiled tempeh. Microscopic observations allowed students to identify the morphology and structure of fungal cells well, as well as increase their interest in biological sciences. This activity demonstrates significant potential in enhancing scientific literacy and environmental awareness among students.

The impact of carbon emissions as a major cause of climate change has raised concerns and become a challenge for the international community. To reduce emissions, it is necessary to study the carbon footprint of activities in Al-Amin. The planning of Al Amin Living lab and Industrial Park along with the administration in which various activities produce carbon emissions these activities need to be calculated to find out how much the activity contributes to the emissions produced so that negative impacts on the environment can be minimized. Opportunities for PSE-GR Development Areas with the concept of Eco-Tech-Edu Tourism which has an understanding of Circular Economy Education (CED) is still very minimal in North Sumatra, PSE-GR can be a pioneer in spreading this understanding of CED where the integration of economic and educational activities occurs which at the same time helps maintain the preservation of nature. Encouraged by the development of the Independent Learning Curriculum (ILC), it is hoped that PSE-GR can become a place for research, service, and practicum of the UNPAB academic community that increases awareness of the need for nature conservation. Because Green Technology from across fields of science is still very minimally discussed and is still often partially researched, UNPAB can be an example of the integration of fields of science that become practical, dynamic, educational, and economic value innovations. The existence of 20 ha of land owned by the Prof. DR H Kadirun Yahya Foundation, it is hoped that UNPAB can develop a Living lab ecosystem at least on 10 ha of land. PSE-GR is not expected to be as exclusive as tourist areas in general, with the concept of CED, PSE-GR will not only help become an income generator & source of educational land for the academic community but also help the welfare of the village and the surrounding community. Carbon footprint studies are carried out in 3 scopes according to The Greenhouse Gas Protocol (GHG Protocol), namely emissions from sources owned or directly controlled by the faculty, indirect emissions from electricity consumption, and other indirect emissions (WRI and WBSCD, 2004). Carbon footprint emissions from all three scopes are calculated based on methods from the International Panel on Climate Change (IPCC) for the national greenhouse gas (GHG) inventory.