Learners’ Needs Analysis for the Development of Reaction Rate Experimental Videos

Understanding chemical reaction rates requires practical experiences that allow students to observe factors influencing reaction speed. However, limited laboratory equipment and materials in many schools hinder the implementation of meaningful experiments. This study aims to determine the learning media needs of Class XI students for the development of reaction rate experimental videos at SMA Negeri 7 Malinau. A total of 17 students (n = 17) and one science teacher participated in the study. Data were collected using questionnaires and interviews, then analyzed through descriptive, qualitative, and quantitative approaches. The results show that 88.24% of students experience difficulties in learning reaction rate concepts, 76.47% perceive that videos help their understanding, and 100% agree that experimental videos are needed as learning resources. These findings highlight the urgent need for offline, visually engaging, and easy-to-understand experimental videos to support students’ conceptual understanding in contexts with limited laboratory facilities. The results of this needs analysis will directly inform the content design, structure, and visual features of the reaction rate experimental videos to be developed

Implementation of Practicum Method as a Strategy to Strengthen Science Process Skills at Secondary School Level

Science process skills are an important aspect in science learning and play a role in training students' scientific thinking skills. However, facts in the field show that students still have difficulties in making systematic observations, formulating hypotheses, designing and conducting experiments, and interpreting data appropriately. This condition is exacerbated by the lack of practicum activities that can train science process skills. The purpose of this study was to describe the implementation of the practicum method on the science process skills of junior high school students. This type of research is a quasi-experiment with a non-equivalent control group research design. The study population was 115 students and the sample was 46 students. The sampling technique used random sampling which was grouped into control and experimental classes. The data analysis technique used N-gain and Mann Whitney test. The results showed that there was no increase in science process skills in the control and experimental classes. In addition, there was no significant difference between the science process skills of the control and experimental classes. It can be concluded that the practicum method in this study did not have an impact on students' science process skills

Are Scrapbooks Able to Increase Tsunami Disaster Literacy? An Analytical Study of Junior High School Students Materials

Tsunami disaster mitigation is a crucial aspect of enhancing community preparedness, particularly among junior high school students in tsunami-prone areas. However, students' disaster literacy remains low due to the lack of engaging and interactive learning media. This study aims to develop and evaluate the effectiveness of Scrapbook-based learning media in improving students’ tsunami disaster literacy. Using a Research and Development (R&D) approach, this study follows the ADDIE model (Analysis, Design, Development, Implementation, Evaluation) and employs a mixed-method approach combining quantitative and qualitative methods. The research involved four expert validators (material, media, language, and disaster mitigation practitioners) and 65 students from Al-Amin Junior High School, with an initial trial conducted on 15 students. The validation results indicate that the developed Scrapbook media is valid, with an average assessment score of 84%. The paired sample t-test revealed a significant improvement in students' disaster literacy, with a significance value of 0.000 < 0.005. These findings demonstrate that Scrapbook media effectively enhances students' understanding of tsunami disaster mitigation. The implications of this study highlight the importance of integrating interactive and visually engaging learning media into disaster education curricula to foster student engagement and strengthen their preparedness for future disasters

Analysis of Diagnostic Assessment in the Science Subject for 4th Grade Elementary School

Diagnostic assessment plays a crucial role in the learning process, particularly in identifying students' prior knowledge and learning needs before instruction begins. This study aims to analyze the implementation of diagnostic assessment in the IPAS (Science and Social Studies) subject for fourth-grade elementary school students. A qualitative descriptive approach was used to examine how diagnostic assessments are conducted and their impact on student learning outcomes. Data were collected through classroom observations and student performance analysis. The results indicate that diagnostic assessments help teachers design more effective learning strategies tailored to students’ abilities. However, some teachers do not fully implement diagnostic assessments, leading to disparities in students’ understanding of the material. The findings emphasize the need for proper training and structured implementation of diagnostic assessments to enhance students’ critical thinking skills and improve overall learning outcomes

PjBL-based Green Chemistry Module: Internalizing Creative and Moral Character in the Context of Wetlands

Creative and moral characters developtment is essential in the industrial Era 4.0, but these characters are less integrated in wetland environment-based learning. This study aims to analyze the feasibility of a green chemistry module based on Project-Based Learning (PjBL) to train creative and moral characters in the context of wetlands. This research uses the ADDIE development model. The validation test involved five experts or practitioners, limited trials, and implementation on groups of 15 and 35 students. Data collection utilized module validation instruments, content readability assessments, learning observations, and student responses. The validation results showed that the module had high validity with a score of 90.00. The readability of the module content was very good, with a score of 90.83. Project-based learning can be effectively carried out in limited trials and implementation. Additionally, expressed positive responses regarding of satisfaction, creativity, and moral character. It was concluded that the PjBL-based green chemistry module was feasible for use in training students to develop creative and moral characters in the context of wetlands

Magnitude and Measurement Module Through Learning Cycle 7E: Innovation Based on Local Potential of Sago Plants for Critical Thinking

Critical thinking skills are essential for solving problems in everyday life. However, these skills are still lacking in physics learning at school. Therefore, this study analyzes the feasibility of the magnitude and measurement module with the learning cycle 7E based on the local potential of sago plants to improve students’ critical thinking skills. This research is a development research with a 4D model. The subjects of the limited trial were 10 students, and the field trial was 16 students from one of the MAN's in Barito Kuala Regency, South Kalimantan. The research data were obtained through module validation sheets, critical thinking tests, and learner response questionnaires. The results showed that the content and construct validation of modules and essential thinking tests were highly valid. In addition, students’ responses in terms of ease of use of the module, the attractiveness, and the benefits of the module in physics learning in the practical category. It is concluded that the module of magnitude and measurement with learning cycle 7E, based on the local potential of sago plants developed, is feasible to improve students’ critical thinking skills

Banana Peel Bio-Battery Project-Based Electronic Worksheet: Enhancing Creative Thinking and Psychomotor Skills

This study aims to develop a project-based electronic student worksheet on banana peel bio-battery (hereinafter referred to as a project-based e-LKPD) to process banana peel waste into a simple bio-battery and to examine its validity, practicality, and effectiveness in improving students’ creative thinking and psychomotor skills. The product was developed using the 4D model (Define, Design, Develop, Disseminate) and grounded in Social Constructivism theory. It was tested on 15 Grade X high school students. Validation by material, media, and learning experts yielded an average score of 3.29 (on a 1–4 scale), indicating very good quality in terms of content and instructional design. Practicality was assessed through readability (97%), student questionnaire responses (95%), and teacher perceptions (88.09%), confirming that the project-based e-LKPD is easy to use, well-received, and allows students to complete project tasks with minimal difficulty. The effectiveness test showed an average score of 82.1 for creative thinking skills and 75.2 for psychomotor skills (both on a 0–100 scale), demonstrating significant improvement in both competencies. These results confirm that the project-based e-LKPD on banana peel bio-battery is valid, practical, and effective as an innovative learning tool to promote higher-order thinking, hands-on skills, environmental awareness, and understanding of renewable energy

Developing Android-Based Interactive Multimedia with Madurese Culture to Enhance Students’ Learning Outcomes in Classroom Action Research

This study aims to improve Grade VII students’ learning outcomes on the topic of the Life Organization System by implementing the culturally responsive “Bebek Songkem” Android-based interactive multimedia. The media was designed to address students’ difficulties in understanding abstract biological concepts while providing contextual learning linked to local Madurese culture. The research employed the Classroom Action Research (CAR) model of Kemmis and McTaggart, consisting of the stages of planning, action, observation, and reflection. The participants were 30 students of Class VII-B at UPTD SMPN 5 Bangkalan. Data were collected through pre-tests and post-tests in each cycle and analyzed using gain score. The results showed a consistent improvement in learning outcomes. In Cycle I, the average score increased from 33.33 to 57.00 with a gain score of 0.355 (moderate). In Cycle II, the mean score increased from 43.33 to 86.00 with a gain score of 0.761 (high). These findings demonstrate that integrating local cultural elements into interactive multimedia can enhance students’ comprehension, engagement, and overall science learning performance

Development of Physics Providers Based on Arduino Uno Assisted With Infrared Sensors on Viscosity Materials

The aim of this research is to (1) produce an Arduino Uno-based physics teaching aid product with the help of an infrared sensor on viscosity materials, (2) to test the feasibility of the developed teaching aid, (3) to determine the practicality of the developed teaching aid, (4) to find out responses from students regarding the teaching aids developed. The model used in this development is the 4D development model of Definition (Define), Planning (Design), Development (Development) and Dissemination (Dissemination). The feasibility test was carried out by two material expert lecturers and two media expert lecturers, the feasibility test carried out by two material expert lecturers received a percentage score of 98% in the "Very Eligible" category, and the feasibility test carried out by the media expert lecturer received a percentage score of 94 .17% with the category "Very feasible". Distribution was carried out to teachers to assess practicality and students to obtain responses from students regarding the teaching aids being developed. The practicality score carried out by two physics teachers received a practicality percentage score of 94% in the "Very Appropriate" category and for responses from students, the average response percentage score was 93% in the "Very Practical" category. So it can be concluded that the Arduino Uno-based teaching aids assisted by infrared sensors for viscosity materials are very feasible and practical to use during learning

Analyzing Student Reactions to Interactive Learning Materials and Critical Thinking Capabilities Using the Rasch Model

By creating interactive learning materials for the biochemistry course, this project seeks to improve the critical thinking abilities of students enrolled in the Science Education Program at one of the Bengkulu universities. Employing a research and development (R&D) approach considering the DDD-E (Decide, Design, Develop, Evaluate) model, the media was designed for Android devices and focuses on carbohydrate metabolism content. The main features include Program and Course Learning Outcomes, instructional materials, usage guidelines, and a profile section. Validation results from content and media experts confirmed the media’s appropriateness for instructional use. Student responses, analyzed using the Rasch Model, indicated strong agreement regarding the media's usefulness. Moreover, the application of this interactive media significantly improved students' critical thinking skills, with an N-gain score of 53.67%. These findings suggest that the media is effective for use in biochemistry courses, although further research is needed to explore its application in other subject areas