To effectively teach the complex concept of thermodynamics, appropriate and innovative teaching methods are needed to ensure a correct and in-depth understanding. This study aims to evaluate the application of the Problem-Based Learning (PBL) model in teaching thermodynamics to enhance students' comprehension of concepts and argumentation skills. The research utilized a quasi-experimental design with a pretest-posttest non-equivalent control group. Of the 50 participants, two distinct groups were formed through purposive sampling. A total of 27 participants underwent PBL instruction, while the remaining 23 participants received conventional learning instructions. The results revealed that students who were taught thermodynamics using the PBL model exhibited significant improvement in both conceptual understanding and argumentation skills compared to the control group. These participants displayed high engagement in tackling thermodynamic problems. PBL taught them how to argue comprehensively, emphasizing the cultivation of 'how to think' rather than just 'what to think' in addressing thermodynamic challenges. Based on these findings, this study recommends that physics educators consider incorporating PBL as a teaching strategy to bolster students' conceptual understanding and argumentation skills in thermodynamics.
The government makes various policies to deal with changes in the 21st century, one of which is by implementing the 2013 curriculum. The curriculum that was applied focused on student center approach. Further research needs to be done to determine whether physics learning in SMA/MA follows the 2013 Curriculum and can acquire students with 21st-century skills. This study aims to determine the current quality of Physics learning, problems that occur in Physics learning, and solutions to solve the problems that occur in Physics learning. The research was conducted using a qualitative descriptive method. The research instrument used was a questionnaire google form given to 20 physics teachers and 50 students in senior high school in West Sumatera. In order to obtain further detailed information, three teachers were interviewed. Based on the questionnaire and the results of interviews, it was concluded that the learning of Physics is following the demands of the 2013 Curriculum and can improve the 21st-century skills of students, but it could be more optimal. Therefore, to find a solution to this problem, the researcher recommends developing a project-based and STEM-integrated textbook.
Learning should be able to develop the students' literacy skills in the industrial revolution 4.0. However, the literacy of students related to this era was still low. The solution to solve the problem is to develop STEM-integrated physics digital teaching material (PDTM). The research objective was to investigate the effect of using PDTM on students’ conceptual understanding and new literacy. The research method was quasi-experimental with a nonequivalent control group design. Instruments for collecting data consist of written tests and performance assessments. Data analysis used a comparison test of two independent groups: t-test and Mann-Whitney U test. The results of the data analysis state that the use of STEM-integrated PDTM has a positive effect on students’ conceptual understanding and new literacy. The students’ new literacy skills include data, technology, and human literacy. These results indicate that using STEM-integrated PDTM in physics learning effectively develops students’ conceptual understanding and new literacy skills.
The industrial revolution plays a very important role in making the world more advanced, for example with the creation of motor vehicles, power plants, and fertilizers used in agriculture. There have been many disasters that have occurred caused by global warming such as storms, hurricanes, heavy rains, and changes in planting seasons. One way that can be done is by doing a geoengineering strategy. Geoengineering is an attempt to manipulate the Earth's climate to counter the effects of global warming. In the study of axiology, a science or theory must be studied about its uses which include ethics, goodness, badness, and aesthetics. Some of the world's leading Institutes have and will research geoengineering and seek the potential benefits of this science. However, if the concept of climate manipulation is misused as a weapon of war (Operation Popeye) and technology to destroy an area (HAARP), then geoengineering is said to have violated scientific ethics. Therefore, an axiological study of geoengineering strategies is important to do.
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