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Dea Santika Rahayu
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INDONESIA
Indonesian Journal of Science and Education
Published by Universitas Tidar
ISSN : 25985213     EISSN : 25985205     DOI : https://doi.org/10.31002/ijose
Core Subject : Science,
Biochemistry, Genetics & Molecular Biology Chemistry Materials Science & Nanotechnology Physics
Indonesian Journal of Science and Education published a scientific paper on the results of the study and review of the literature in the science and education. In detail, the scopes of this journal are research in 1) Science education; 2) Biology education; 3) Physics education; 4) Chemistry education; 5) Science Educational Technology; 6) Environmental science; 7) Physics; 8) Chemistry; and 9) Biology.
Arjuna Subject : Umum - Umum
Articles 94 Documents
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Ethnobotany of Medicinal Plants in the Sumber Harum Village Community, South Sumatra Evan Andesmora
Indonesian Journal of Science and Education Vol. 8 No. 2 (2024): Indonesian Journal of Science and Education
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/ijose.v8i2.1358

Abstract

This study describes the potential of plants and the culture of the people in Sumber Harum Village, utilizing medicinal plants around them, which shows the interaction of the community with medicinal plants. Data and information about traditional medicinal plants in Sumber Harum Village and how to use them have yet to be available and documented, especially regarding cultivated and wild medicinal plants. The purpose of this study is to identify the types of traditional medicinal plants, how plants are used by the Sumber Harum Village Community, and analyze community knowledge related to medicinal plants. The research method used is descriptive quantitative, with observation techniques, semi-structured interviews, questionnaires, documentation, collection of plant samples and identification of medicinal plants. Data were analyzed using the Local User's Value Index (LUVI). The research results found that there are 93 species of medicinal plants in Sumber Harum Village, consisting of 75 species of cultivated medicinal plants and 18 species of wild medicinal plants, each of which is grouped into 50 families. The way of utilizing medicinal plants is by boiling them, consuming them directly, pounding them, grating them, squeezing them, and pasting them. The LUVI value of medicinal plants has two categories; the highest value in the cultivation category is avocado leaves (Persea Americana P.Mill) with a value of 0.0689, while the highest type of plant in the wild medicinal plant category is ciplukan (Physalis angulate L.) with a value of 0.0033.
STEM-7E Learning Cycle Learning Tools with Formative Assessment to Enhance Critical Thinking Rania Nukhba
Indonesian Journal of Science and Education Vol. 8 No. 1 (2024): Indonesian Journal of Science and Education
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/ijose.v8i1.1394

Abstract

Maximum learning requires planning and strategies in learning. This study aims to develop a learning tool product for dynamic fluid material based on STEM-7E Learning cycle with formative assessment to improve critical thinking skills of high school students. This research uses the research and development (R&D) method by following the stages of the 4D model and carried out until the develop stage. After the product was developed, the validity of the product was tested by two validators and 32 students of SMA Brawijaya Smart School Malang for the practicality test. The overall product validity test results were 100% and the product practicality test results were 98.25%. Based on the results of the validity and practicality tests, the developed product has a very valid and very practical category. 
Implementation of an E-Module on The Diversity of Living Things to Enhance Critical Thinking Skills and Learning Independence Nuryunita Dewantari; Ayu Lestari
Indonesian Journal of Science and Education Vol. 8 No. 2 (2024): Indonesian Journal of Science and Education
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/ijose.v8i2.1429

Abstract

Critical thinking is important because it enables individuals to analyze information objectively, make well-reasoned decisions, and solve problems effectively. But, it is a decline in international learning outcomes due to the pandemic. The aim of this research is to analyze the effect of using an e-module on the diversity of living things to enhance students' critical thinking skills and learning independence. The research design used was quasi-experimental with a nonequivalent control group design. Two groups with a total of 74 students were selected for this study using purposive sampling. The instruments used in this research included a written test to assess critical thinking skills and a questionnaire to evaluate learning independence. The data analysis conducted included an independent samples t-test and an n-gain test. Based on the results of an independent samples t-test, there is a significant difference between the two groups in students' critical thinking skills and learning independence. N-gain tests also support these findings, with critical thinking skills scores of 0.60 in the experimental class and 0.57 in the control class. Additionally, learning independence scores were 0.78 for the experimental class and 0.36 for the control class. It can be concluded that there is a significant positive effect of using the e-module on the diversity of living things to enhance students' critical thinking skills and learning independence.
Implementation of Argument Driven Inquiry Instructional Model to Improve Cognitive Learning Outcomes Aza Mazita; Siswanto Siswanto; Suwito Singgih; Nuryunita Dewantari; Djoko Sri Bimo
Indonesian Journal of Science and Education Vol. 8 No. 1 (2024): Indonesian Journal of Science and Education
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/ijose.v8i1.1446

Abstract

Cognitive learning outcomes are important basic skills that students must master. Science learning must be designed so that it can optimally provide students with the cognitive dimension. The importance of cognitive learning outcomes is in contrast to conditions in the field. Students' cognitive abilities in science learning are still low, especially at levels C2, C3 and C4. Observation results at Ihsanul Fikri Mungkid IT Middle School show that students' cognitive learning outcomes are still below the specified average, namely 78. The aim of this research is to analyze the effectiveness of learning using the Argument Driven Inquiry model in improving junior high school students' cognitive learning outcomes. This research uses a quantitative approach of the Quasi Experiment type, data analysis is carried out using the Mann Whitney test, N-Gain test, and effect size test. The research results show that the Argument Driven Inquiry (ADI) learning model is effective in improving the cognitive learning outcomes of junior high school students with an N-Gain of 0,7444, which is in the high category.
Morphological Analysis for Identification and Classification of Fungal Species Diversity in Situ Gede Area, Dramaga, Bogor Ivan Permana Putra
Indonesian Journal of Science and Education Vol. 8 No. 2 (2024): Indonesian Journal of Science and Education
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/ijose.v8i2.1527

Abstract

Mushrooms are cosmopolitan organisms with very high biodiversity. Macro fungi, or mushrooms, are most commonly found in various regions of the tropical Earth. However, mushrooms in Indonesia have not been extensively explored and identified. Therefore, this research aims to identify several mushroom species found in the Situ Gede area, Bogor, West Java. Mushroom identification is carried out by collecting and measuring samples with a scale comparison in their natural habitat. The samples are then dried as a dry herbarium or soaked in alcohol as a wet herbarium. Four mushrooms were successfully identified, three of which belong to the phylum Basidiomycota and one belongs to the phylum Ascomycota. Some of these mushrooms include Lentinus arcularius, Lentinus sp., and Termitomyces microcarpus, which belong to the phylum Basidiomycota, while Xylaria polymorpha belongs to the phylum Ascomycota. Some fungi can be used as a source of food and also as a source of medicine.
Why is Chemistry Education? Exploring the Motivation of Student Choices Setia Rahmawan; Atep Rian Nurhadi; Enggal Mursalin; Rahmiati Darwis
Indonesian Journal of Science and Education Vol. 8 No. 1 (2024): Indonesian Journal of Science and Education
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/ijose.v8i1.1565

Abstract

Learning motivation is critical to educational success, influencing students' engagement, persistence, and overall performance. Despite its importance, motivation determines students' choices for future careers and struggles in participating in learning activities. The aim was to characterize students' chemistry learning motivation in detail using the Academic Motivation Scale - Chemistry (AMS-Chemistry). This study employs a descriptive qualitative research design. The qualitative approach allows an in-depth exploration of personal experiences and perceptions of learning motivation in chemistry education. The AMS-Chemistry instrument consists of 28 statement items that measure aspects of amotivation, three types of extrinsic motivation, and three types of intrinsic motivation. The results show that the motivation profile to learn Chemistry in Chemistry Education students using the AMS-Chemistry instrument on the amotivation subscale tends to disagree (55,46%). On intrinsic motivation, the to know subscale tends to agree (65,80%) strongly, the to accomplish subscale has a high score on strongly agree (48,85%) responses, and the to experience subscale tends to respond strongly agree (35,34%). Extrinsic motivation includes the external regulation subscale tending to strongly agree (55,17%) and the introjected regulation subscale having a high score on strongly agree (62,36%) responses. The identified regulation subscale has a strongly agree (68,97%) response tendency.
Scientific Literacy Skill in Science Learning based on Ethnoscience Mochammad Yasir; Annuria Auliya Rahma; Husni Mubarok; Nurul Sabihah Zakaria
Indonesian Journal of Science and Education Vol. 8 No. 2 (2024): Indonesian Journal of Science and Education
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/ijose.v8i2.1643

Abstract

Science literacy is very much needed in the future because it encourages students to solve problems and investigate scientifically. However, students' science literacy is currently still low, resulting in environmental ignorance. Students' low science literacy is attempted to be improved by conducting ethnoscience-based science learning by integrating environmental problems, science materials, and scientifically tested community knowledge. This study aims to determine the differences in science literacy abilities in ethnoscience-based science learning. This type of research is Pre Experimental research with a One Group Pretest-Posttest design. The research was conducted in the even semester of the 2023/2024 academic year at SMP Al Hikam Burneh. The research population was all students of class VII. The sample used was class VII-B as many as 22 students who were taken using the Purposive Sampling technique based on teacher recommendations regarding student abilities. The research instrument used was a science literacy test consisting of 6 essay questions. The data collection method used a test. The data analysis technique used descriptive statistics and paired sample t-test. The results of the study obtained (1) the average value of the pretest of students' scientific literacy skills was 53.00 and the posttest was 79.98; and (2) the results of the paired sample t-test were --12,978  2,079  11,878 which showed that students' scientific literacy skills experienced differences after ethnoscience-based science learning. It can be concluded that there are differences in students' scientific literacy skills in ethnoscience-based science learning.
STEM-Engineering Design Process (EDP) Learning to Increase Students' Learning Motivation on Solar System Topic Shofiah Jihni; Nanang Winarno; Achmad Samsudin; Rika Magdalena Aritonang
Indonesian Journal of Science and Education Vol. 8 No. 2 (2024): Indonesian Journal of Science and Education
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/ijose.v8i2.1669

Abstract

Learning in the fields of science, technology, engineering, and mathematics, or STEM, is the focus of attention not only by school teachers but also all stakeholders involved. Various efforts have been made to improve the quality of the learning process and curriculum in these fields. The activities students do during learning are influenced by motivation, so motivation is very important for students to complete tasks and build knowledge. This study aims to analyze the improvement of students' learning motivation by using the STEM-Engineering Design Process (EDP) on the topic of the Solar System. This study used a pre-experimental method with One Group Pretest-Posttest. The data collection tool used in this study is the Motivation Sefl regulation questionnaire. This research was conducted in one of the schools in Bandung, Indonesia. The subjects in this study were 25 seventh-grade students consisting of 11 boys and 14 girls. The results showed a significant increase in students' learning motivation with a mean pretest of 76% and a mean posttest of 89%. Based on the average N-Gain score of 0, 51, the four dimensions are interpreted as obtaining a moderate N-Gain. Based on the study's results, it was found that STEM-Engineering Design Process (EDP) learning can increase students' learning motivation, especially in science lessons.
Potential for Tofu Industry Liquid Waste Pollution in Mejing Village, Candimulyo Subdistrict, Magelang Riva Ismawati; Rina Rahayu
Indonesian Journal of Science and Education Vol. 8 No. 2 (2024): Indonesian Journal of Science and Education
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/ijose.v8i2.2099

Abstract

This research is intended to analyze the quality of tofu liquid waste, analyze the quality of river water around the tofu industry in Mejing Village and analyze government policies in managing tofu liquid waste. The research method used is grab sampling, observation, and interviews to obtain primary data. Secondary data from journal articles and research reports are used to support primary data. The research results show that the quality of tofu liquid waste has a pH of 2.8-33, a temperature of 41-51 oC and is not in accordance with established quality standards. Tofu liquid waste also has a pungent sour odor, yellowish color, and contains many suspended particles. Disposal of tofu liquid waste into the waters causes the river flowing in Mejing Village to be dirty and indicates light to heavy pollution. The government has set quality standards for wastewater produced by the tofu industry. Unfortunately, the tofu industry in Mejing Village does not comply with this regulation properly. The low awareness of tofu industry players to manage liquid waste is caused by various factors. Good communication between the government and industry players is needed so that industry players know how to process the liquid waste they produce. The government needs to supervise the application of government regulations related to the management of tofu liquid waste and provide sanctions to industries that violate it. Planning for a communal IPAL as well as an appropriate solution must be realized immediately so that the problem of tofu liquid waste in the tofu industry center in Mejing Village can be resolved immediately.
Development of PBL-Based Mechanics and Fluids Textbooks Combined with Flipped Classroom to Improve Physics Complex Problem-Solving Skills Eko Juliyanto; Harsi Admawati
Indonesian Journal of Science and Education Vol. 8 No. 2 (2024): Indonesian Journal of Science and Education
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/ijose.v8i2.2184

Abstract

In the present and the future, the ability to solve Complex Problems has a role in a person's success in the work environment, community environment and family environment. Although this ability is important, classroom learning has not emphasized the development of complex problem-solving skills. Learning in the classroom still emphasizes the development of static problem-solving skills. This research aims to develop a textbook in the form of a PBL-based e-module combined with Flipped Classroom to be able to improve the ability to solve complex physics problems. In addition, this study also analyzes the validity and effectiveness of the textbook. This type of research is RnD research. The ADDIE RnD model is widely used for the development of teaching materials, the development of learning models and the development of learning media. The ADDIE model was chosen as the development model in this study because it is flexible. The stages of the ADDIE model are Analysis, Design, Development, Implementation, and Evaluation. The results of this study show that the characteristics of Mechanics and Fluids textbooks that are suitable in the application of the PBL model combined with Flipped Classroom to improve Complex Problem Solving skills are a) Deepening the material that is done before the lecture equipped with practice questions; b) Problems presented in the Student Worksheet (LKM) in the textbook in the form of contextual problems; c) Student Worksheets (MFIs) in the textbook involve dynamic situations by utilizing the PhET Simulation application. The results of textbook validation by three validators were categorized as valid with an average score of 4.52 on a scale of 5. The results of the t and Ngain tests showed that the Mechanics and Fluids textbook based on the PBL model combined with the Flipped Classroom was effective in improving the ability to solve complex physics problems.

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