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This research aims to produce senior high school physics module based on STEM Problem Based Learning on Newton’s Motion Law Material that is valid and practical. This is a development research using a design model of ADDIE that modified with Tessmer’s formative evaluation method. Tessmer’s formative evaluation stages in this study include self evaluation, expert review, one-to-one and small groups. Data were collected through interviews, expert testing and questionnaires at the expert review stage. The one-to-one and small group stages and field tests were conducted at SHS Number 1 Banyuasin, South Sumatra. The results of the expert review stage obtained the final score of material validation 1 (very feasible or very valid), design validation 0.91 (very feasible or very valid) and language validation 0.95 (very feasible or very valid). Based on the results showed this research produced senior high school module based on STEM Problem Based Learning on Newton’s Motion Law Material. It is recommended that this module can be used as an alternative teaching for Newton’s motion law material.

The background of the research is that skills are needed in accordance with the era of the industrial revolution 4.0, especially in the 21st century, namely critical thinking skills. For this reason, research is needed to determine the description of critical thinking skills. This research is a preliminary study that aims to describe the ability of critical thinking skills in learning science physics. Descriptive research method using google form. The research subjects were 33 students of SMP Negeri 59 Palembang. The results obtained are 25% of students are able to focus questions, 30% analyze questions, 32% consider reliable sources or not, 17% observe, consider observation reports, 39% do and consider deduction results, 38% do and consider induction results, 42% make and determine the value of judgment, 25% define, consider definitions, 21% identify assumptions, 44% determine actions, and 54% interact with others. The description of the critical thinking skills of junior high school students in the 4.0 industrial revolution era Physics science material is still in the low category, judging by the percentage of student responses. Suggestions for further research on efforts that can overcome the low critical thinking skills of junior high school students on Physics Science material.

Penelitian ini bertujuan untuk mengetahui proses penerapan pembelajaran fisika berbasis problem based learning di SMA Negeri 1 Suak Tapeh. Metode dalam penelitian ini adalah metode deskriptif dengan pendekatan kualitatif. Data diperoleh dari observasi dan wawancara dengan guru mata pelajaran fisika dan dokumentasi. Dalam menganalisis penelitian ini dilakukan reduksi data, penyajian data, dan penarikan kesimpulan. Hasil dari penelitian ini adalah proses pembelajaran fisika masih menggunakan model pembelajaran konvensional dengan cara ceramah kepada siswa namun ada pendekatan yang menggunakan model pembelajaran lain namun tidak sepenuhnya. pembelajaran dengan model problem based learning, penerapan kurikulum mandiri sudah dilaksanakan, namun model PBL belum sepenuhnya dilaksanakan karena adanya proses transfer kurikulum. PBL sudah sesuai dengan pembelajaran kolaboratif dalam memecahkan masalah yang ada sesuai dengan pembelajaran fisika. Penerapan model pembelajaran berbasis masalah dalam pembelajaran fisika hanya sebagian dari guru yang menerapkannya untuk mencapai pembelajaran yang lebih baik seperti pembelajaran fisika yang mempelajari fenomena alam, serta lingkungan sekitar sehingga layak untuk segera dilaksanakan dalam pembelajaran. proses. sedang belajar. Proses pembelajaran berbasis masalah didasarkan pada penerapan pembelajaran profil Pancasila dengan menghasilkan proyek-proyek yang dimulai dari pemecahan masalah yang berkaitan dengan lingkungan.

Student worksheets are one sort of educational material intended to aid students' learning, explore experiences and ideas, and develop students' cognitive, psychomotor, and affective components. As a result, a study of the validity and applicability of the Student Worksheet on waves and sound content for junior high school students was done. The goal of this study was to see if the Student Worksheet was reliable and practical. The research design used in this study is a developmental study. A walkthrough and a questionnaire were employed as research tools. The validity test was said to be quite valid based on the average content aspect of 4.71, language 4.70, and design 4.78, according to the study's findings. While the practicality test was stated to be very practical, the results obtained one to one teacher on the average content aspect of 5, language 5, and design 5. One to one students obtained an average of 4.73 content aspect, 4.33 language, and 4 design ,55. The results of the practicality of the small group of teachers on the aspect of content are on average 4.11, language 4.66, and design 4.44. The small group of students obtained an average of 4.22 in the aspect of content, 4.52 in language, and 4.36 in design. So it can be concluded that the Student Worksheet material waves and sounds for junior high school is very valid and very practical. Furthermore, it can be used for the effectiveness test stage