This study aims to develop a Green Chemistry–based Student Worksheet (LKM) for the Physical Chemistry I laboratory on Vapor–Liquid Equilibrium in Binary Systems that is valid, practical, and effective. The development applied the ADDIE model up to the Development stage and used Tessmer’s formative evaluation, including self-evaluation, expert review, one-to-one, small-group, and field tes…
This study aims to produce a Student Worksheet (LKM) for Physical Chemistry 2 Practicum on conductometric titration based on Green Chemistry that is valid, practical, and effective. The research method used is developmental research with the ADDIE development model modified with Tessmer's formative evaluation. The subjects of this study were third-semester chemistry education students during th…
This research aims to develop a Green Chemistry-based Student Worksheet (LKM) for the Physical Chemistry II Practicum on the topic of Solubility as a Function of Temperature that is valid, practical, and effective. The research method used was Research and Development (R&D), combining the ADDIE (Analysis, Design, Development) model and Tessmer's formative evaluation. Data was collected through …
This study aims to develop a PBL-based Student Worksheet (LKPD) oriented to SDGs on chemical bonding material for grade XI of SMA Negeri 1 Indralaya Utara. This study uses a development research method with the Rowntree development model which includes planning, development, and evaluation stages, as well as Tessmer formative evaluation which includes expert review, one-to-one, and small group.…
This study aims to develop a Student Worksheet (LKPD) based on Problem Based Learning (PBL) integrated with the Sustainable Development Goals (SDGs) on the colloid topic for Grade XII senior high school students. The study was motivated by the limited availability of contextual and innovative learning materials that are able to connect colloid concepts with real-life issues and sustainability. …
This study developed a Student Worksheet (LKPD) based on problem-based learning integrated with sustainable development goals (SDGs) on corrosion material. This development was carried out by adapting the Rowntree model in collaboration with the formative evaluation stages according to Tessmer. The main objective of this study was to produce a valid, practical, and effective PBL-based LKPD inte…
This study is entitled The Effect of Implementing Problem-Based Learning (PBL) Model on Critical Thinking Ability of 10th Grade Students at UPT SAM Negeri 2 Palembang" The formulation of this research is to examine whether there is an effect of the Problem-Based Learning (PBL) model on the critical thinking ability of students in history subjects for 10th grade at UPT SMA Negeri 2 Palembang.. T…
This study aims to develop an electronic student worksheet based on scientific literacy for the biotechnology sub-topic in grade X of senior high school. The study is motivated by students' low interest and understanding of biotechnology material and the lack of interactive learning media that support the strengthening of scientific literacy. This research employed the ADDIE development model, …