Development of Student Worksheet Based on Learning Cycle 5E on Stoichiometry Material

This study aims to determine the difference between Higher Order Thinking Skills (HOTS) and Students Self Regulated Learning (SRL) before and after using e-module based on the 7E (elicit, engage, explore, explain, elaborate, evaluate, and extend) learning cycle on the buffer solution material, and to determine the percentage of its effectiveness. The research use a quasi experiment with one-group pretest-posttest design. The subjects of this research were students of natural science 11th grade in one of senior high schools in Yogyakarta. The instrument used were test in the form of HOTS pretest-posttest description question and non-test in the form of self-regulated learning questionnaire. The data analysis technique used is Hotteling's T2 test. The results showed that the significance value was 0.000 < = 0.05, then H0 was rejected. There were differences in students' HOTS and SRL before and after using e-module based on the 7E learning cycle. The effectiveness of using e-module show by HOTS and SRL simultaneously (36.8%), HOTS (25.2%), and SRL (20.5%).

This study aims to examine the development of pre-service chemistry teachers’ argumentation skills during the completion of structured tasks embedded in the 5E Learning Cycle, as well as their responses to this training. Argumentation is a key component of effective chemistry learning; however, many pre-service teachers still lack confidence and the capacity to construct coherent, well-supported arguments. This research investigated the effectiveness of the 5E Learning Cycle model in strengthening argumentation skills using a quasi-experimental time-series design involving 71 students distributed across three classes in a chemistry review course. Data were collected through collaborative worksheets and individual pretest–posttest instruments and were analyzed using Toulmin’s argumentation model. The findings indicate a progressive enhancement in students’ argumentation performance, particularly in the formulation of claims, the use of data, and the articulation of warrants, backing, and rebuttals across topics such as chemical bonding, chemical equilibrium, acid–base chemistry, and organic chemistry. Nevertheless, a decrease in the quality of claims, warrants, and qualifiers was observed on the acid–base posttest, suggesting that certain content areas may require more targeted support. Overall, the results demonstrate that structured task-based activities within the 5E Learning Cycle can effectively foster argumentation skills in pre-service chemistry teachers, while also highlighting the need for refinement in topic-specific implementation. This study contributes new insights into the design of argumentation-focused training in teacher education programs aimed at strengthening the professional competence of future chemistry teachers. Keywords: argumentation skills; Learning Cycle 5E; worksheet; Toulmin argumentation model.

This study aims to develop a practicum module oriented to Chemoentrepreneurship with Qur'an and Hadith insight on colloidal system material for Class XI SMA/MA that is valid and practical. This study used the Research and Development (R&D) research method with the 4-D development model (define, design, develop, and disseminate). Data for the defining stage was collected using an instrument in the form of an interview sheet. The interview sheet was filled in by the chemistry teacher. Data for the development stage was collected with instruments in the form of validity sheets and practicality questionnaires. Validation were completed by chemistry lecturers and chemistry teacher. Practicality questionnaire sheets were completed by the students as respondent. Data from validity and practicality instruments were analyzed using descriptive quantitative methods, with the percentage formula.The results showed that the practicum module oriented to Chemoentrepreneurship with Qur'an and Hadith Insight on the material of the colloidal system of class XI SMA / MA was categorized as valid with a percentage of 87.79%. In addition, the practicum module oriented Chemoentrepreneurship with Qur'an and Hadith insight on colloidal system material has met the practical criteria with the results of the student response questionnaire 86.80%. Thus, it is known that the practicum module oriented Chemoentrepreneurship Insightful Qur'an and Hadith on colloidal system material class XI SMA/MA has been valid and practical. The results of this study indicate that the practicum module developed can be used as one of the learning resources for students.

The purpose of this research is to investigate effect of 5E learning cycle instruction on 4th grade students’ mental ability in the unit of “Introduction to the Matter”. The subjects of this study were 160 students from four different classes enrolled to Science Course in an Elementary School in TURKEY. Non-equivalent pre-test/post-test control group design was used. Two of the classes randomly chosen as experimental group (79) took 5E learning cycle instruction, and the other two chosen as control group (81), took traditional instruction. Word-Association Test (WAT) was administered to the experimental and the control groups as pre- and post-tests to measure the students’ mental ability related to Unit of “Introduction to the Matter”. The data collected from WAT was converted into mind maps by using content analysis and cut off point methods. As a result of application, while “Introduction to the Matter” subject was seen as a whole on the mind maps of the experimental group of students, mind maps of the control group students were seen to be composed of piecemeal knowledge islets. Hence, it proves that the experimental group students learn terms in a more meaningful and more interrelated way than the control group students. Key words: 5E learning cycle, mind maps, word association test.

One of the skills of students in learning activities in 21st century education is critical thinking skills. Critical thinking skills can be developed by means and appropriate learning resources. The COVID-19 pandemic condition requires the distance learning process (PJJ) of course to require learning resources that can be accessed by teachers and students even though they are not in one place. One of the learning resources used in the learning process is electronic media, one of which is flipbook. Flipbook is an electronic book that is presented digitally and can be flipped that contains text, images, audio, video, and hyperlinks. Flipbook contains various features that can be used as learning resources for students on biodiversity material and can train students to think critically. The purpose of this research was produced a valid and practical STEM-based flipbook (Science, Technology, Engineering, Mathematics). Research used 4D models (Define, Design, Develop, and Disseminate stage) but Disseminate stage was not carried out. The theoretical feasibility of the flipbook was obtained from validation by expert lecturers, namely material and education expert lecturers and high school biology teachers. Flipbook validation was measured based on presentation, content, and linguistic aspects. The practicality test was evaluted based on student's responses collected by questionnaire of 13 students X MIA 4 SHS 14 Surabaya. The analysis technique was quantitative descriptive. The flipbook was said to be very feasible with a validity result of 90.75 % with very valid criteria. Flipbook is also stated to be very practical based on the results of the student response questionnaire of 93.1% with very practical criteria. It can be concluded that the flipbook based on STEM (Science, Technology, Engineering, Mathematics) on biodiversity material to train critical thinking that has been developed is declared valid and practical.

This study aimed to develop an Android-based virtual laboratory media for chemistry, assess its validity, and determine students' responses to it. The research methodology employed was research and development (R&D) with the 4D development model (Four D Models) according to Thiagarajan, which comprises four stages: define, design, develop, and disseminate. The study was carried out until the development stage. The research instruments used included interview guides, validation sheets, and questionnaires. The media products developed were validated by material and media expert validators consisting of two chemistry lecturers and one chemistry teacher. Limited trials were conducted with a total of 32 11th grade students from Mathematics and Science (MIPA) 3 class at State Islamic Senior High School (MAN) Blitar City. Data analysis techniques involved both qualitative and quantitative methods. The results indicate that the validation scores from the material and media experts were very valid, with an average percentage score of 98% and 95%, respectively. The student's responses to the limited trials were also very good, with an average percentage score of 88%. Overall, the study demonstrated the potential of the developed Android-based virtual laboratory media for chemistry education.

This study aims to produce STEAM-PjBL (Science, Technology, Engineering, Art and Mathematics-Project Based Learning) integrated LKPD on the material of Molecular Forms and determine the level of validity and practicality of the resulting LKPD. This research is a Research and Development (R&D) research using a 4-D model which consists of four steps: define, design, develop, disseminate. This research is limited to the design stage. The research instrument is a validity sheet and a practical sheet. The LKPD was validated by 6 validators consisting of 3 chemistry lecturers from FMIPA UNP and 3 chemistry teachers at SMA N 14 Padang. The LKPD was tested by 3 chemistry teachers and 30 students in class XI MIPA 5 SMA N 14 Padang. The validity data used the Aiken's v Scale and the practical data used a comparison of the students' scores with the maximum scores of students. The average Aiken's v scale is 0.89 with a very valid category. While the practicality of teachers and students obtained NP values of 0.90 and 0.87 with very practical categories.

Mathematics books based on Realistic Mathematics Education (RME) integrated with Islamic values will make mathematics learning more memorable. The reason is, that the books or learning resources used by most students only contain a collection of material and practice questions. In addition, from the factor of students, many still do not understand the material because the examples given are not realistic. The purpose of this study is to determine the feasibility and practicality of mathematics books based on RME integrated Islamic values in grade 7 number material. This study uses the RnD type with the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). The data collection instruments were interviews, validation sheets, and questionnaires. The population of this study was students of MTs Al-Ma'arif Gembong Pati. The sample is 7th-grade students of MTs Al-Ma'arif Gembong Pati which was taken through the purposive sampling technique. This math book was tested for feasibility by a team of experts consisting of 2 material experts, 2 media experts, and 2 religious experts. In the feasibility test, the material expert got an average score of 115 with very decent criteria. The media expert obtained an average score of 125.5 with very decent criteria. And religious experts get an average score of 64.5 with very decent criteria. Then, to find out the practicality of the book, product trials were carried out in small and large groups. Small groups consisting of 10 students obtained an average score of 66.6 with very practical criteria. A large group followed by 42 students got an average score of 65.9 with very practical criteria. So it can be concluded that the RME-based mathematics book integrated Islamic values in grade 7 number material is feasible and practical to be used in learning mathematics.

This study aims to describe the level of knowledge and understanding of state senior high school science teachers (SMAN) in constructing higher-order thinking items (HOT), and to compar e the level of knowledge and understanding among state senior high school Physics, Chemistry, and Biology teachers in constructing higher-order thinking items (HOT). The type of this research is descriptive quantitative, data collection technique is done by survey method using developed questionnaire instrument. The population in this research are all science teachers (Physics, Chemistry, and Biology) of State Senior High School teachers in Aceh Province, with the sample being 90 science teachers of State Senior High School teachers which are chosen randomly. The data obtained were analyzed descriptively. The result of the research shows that: (1) the level of knowledge and understanding of science teachers of State Senior High School teachers in constructing higher-order thinking items (HOT) is in the medium category, (2) the level of knowledge and understanding in constructing higher-order thinking (HOT) items, Biology teachers achieved more high and very high category compared to Physics and Chemistry teachers.

This study aims: (1) to know Lampung museum collections that can be used as a learning resource historical learning in Metro 2 State Senior High School; (2) Utilization of the Lampung museum as a learning resource historical learning in Metro 2 State Senior High School; (3) Constraints faced in the use of the Lampung museum as a learning resource historical learning. The research method used is the qualitative descriptive analysis of Milles and Hubermans models. Data collection techniques used were observation, in-depth interviews, and documentation. Data analysis is data reduction, data display, and data verification. The results showed that the Lampung museum collection was divided into 10 categories, namely geology, biology, ethnography, archeology, history, numismatics, philology, ceramics, fine arts, and technology, from all the collections can be used as a learning resource historical learning. The utilization of the Lampung museum as a learning resource historical learning has been carried out but not fully maximized. Lampung museum collections are used as a source of learning history by adjusting to the Competency Standards and Basic Competence curriculum for historical subjects. The implementation of history learning makes the Lampung museum as a source of learning done by the method of study visits.

Tujuan penelitian ini adalah (1) mendeskripsikan kelayakan LKS ditinjau dari kriteria isi, penyajian, kebahasaan dan kegrafikan, (2) melatihkan keterampilan berpikir kritis siswa, serta (3) mendeskripsikan respon siswa ditinjau dari kriteria isi, penyajian, kebahasaan dan kegrafikan. Jenis penelitian merupakan penelitian pengembangan (RD(2) to practice student critical thinking skill; and (3) to describe the student response which determine by criteria of content, presentation, language, and graphical. The type of this research is R&D, design of student activity sheetusing ASSURE model by Heinich, Molenda, and Russel. The target of this research is the student activity sheet that had been developed.The instruments which used in this researchwere analysis sheet, validation sheet, student response questioner, question of comprehension concept and student critical thinking skill. Source of data were obtained by chemistry lecturer, chemistry teacher, as well as 30 students class XI Senior High School. The analyzed of data was done descriptively. The results of the validation data, each of the feasibility criteria on student activity sheet has the percentage 66.66% - 100%, so student activity sheet that have been developed categorized as feasible. Critical thinking skills of interpretation, analysis, inference, and explanations are categorized in respectively by very good (87.60% - 100%), very good (92.50% - 94.33%) good (71.33% - 72.33 %) and very good (90.00% - 93.33%). Based on data from student questionnaire responses of each criterion has percentage between 76.66% - 100%, so the student activity sheet that have been developed categorized as feasible. Keywords: student activity sheet, guided discovery, critical thinking skill

The purpose of this research is to develop student worksheet based on Contextual Approach about Protist for SMA/MA. This research includes development research with reference to 4-D model. The experimental subject in this research is the subject of expert, namely two lecturers of Biology in State University of Padang and science teacher of National Junior High School of Sumpur, as well as the subject of grade X students of Sumpur SMA/MA as potential users of the product. Data in this research is primary data. Instrument collecting data used is validity sheet and sheet of practicality sheet by teacher and student. Result of validity is 86,2% with criteria is valid, result of practicality test is 87,5% by teacher with practical criteria and practice test by learner equal to 88% with practical criteria.

The learning activities applied are still dominated by textbooks, so additional learning resources are needed to support more creative and innovative learning activities. This study aims to create a semi-solid preparation-based chemical practicum module for craft and entrepreneurship (PKWU) as a learning resource for SMA/MA students. The type of research used is development research (R&D) with the 4D development model. The research subjects included one material expert, a media expert, four reviewers, and ten SMA/MA MIPA students. Quality assessment was carried out using a Likert scale questionnaire sheet and a Guttman scale questionnaire. The analysis technique uses quantitative and qualitative analysis. The results of the assessment show that material experts are 90.77% in the Very Good category, product ratings by media experts are 96.7% in the Very Good category, and the reviewer's assessment (chemistry teacher) gets an average score of average with a percentage of 90.25% in the Very Good category. The results of student responses to the module show a percentage of 95%. The results show that the PKWU practicum module based on semisolid preparations is feasible to use as an alternative learning resource in increasing student understanding. This research implies that teachers are expected to be able to use practicum modules that can facilitate students in carrying out practicum activities.

This study aims to determine the level of feasibility and student response to interactive multimedia learning based on problem based learning (PBL) using the articulate storyline application on the chemical bonding material developed. This research is a research and development conducted in March-August 2021. The development model used is the Four-D (4-D) development model which is limited to the define stage, design stage and develop stage. This research was conducted at Bengkulu University and at SMA Negeri 3 Bengkulu City. The study was only conducted on a small scale (limited) trial with a research sample of 32 students taken from class X MIPA 3. The data in the study were obtained from interviews, student needs questionnaires, validation sheets and student response questionnaires. The results of the validation test obtained an average of media validation and material validation of 86% and 89% which were in the range of 81%-100% with very valid criteria. While the student response test obtained a score of 80% which was in the range of 61% -80% with a good category. Based on the results of the validation and the results of the student responses, it can be concluded that interactive multimedia learning based on problem based learning (PBL) using the articulate storyline application on chemical bonding material is declared feasible and can be used as a medium and learning resource for students.

The ability to think creatively in mathematics is a crucial aspect of learning, yet evidence shows that students' creative mathematical thinking skills, particularly in the topic of Sequences and Series, remain low. One solution to address this issue is through the use of Problem-Based Learning (PBL)-based Student Worksheets. This research aims to develop a valid and practical Student Worksheet. The study follows the 4D development model, consisting of the stages: define, design, develop, and disseminate. The instruments used for data collection were validation sheets and practicality questionnaires. Analysis of the validation sheet data showed that the Student Worksheet was categorized as highly valid, with an average percentage of 93.73%. Similarly, the practicality questionnaire analysis indicated that the Student Worksheet was rated as practical, with an average percentage of 83.77%. Therefore, the developed Student Worksheet meets the criteria of validity and practicality and can be used effectively in learning activities. The implication of this research is that it allows students to independently build knowledge in mathematics, facilitating their creative mathematical thinking skills.