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21st century learning has had a huge impact on students and teachers. Students must be guided to be able to think critically to overcome various kinds of problems that occur. Furthermore, teachers as education play an important role in honing problem solving skills in their students. The problem solving learning model is a learning model that directs students to solve problems in the learning process. In addition, the problem solving learning model is not fully capable of being applied by science teachers. Although, in the 2013 curriculum in Indonesia a teacher is required to be able to apply the problem solving model in conducting science learning. Not only that, the limited experience of teachers in applying variations of these learning models is still the main obstacle in learning science. So, teachers in Indonesia must have extensive experience in adopting problem solving learning models. This study aims to determine the effectiveness of the problem solving learning model in learning science in Indonesia. This research is a kind of meta-analysis research. The research sample came from analyzing national and international journals published from 2010-2022. The selection of data used as samples was carried out very strictly and thoroughly. Searching for this research sample through Google Scholar, Eric, Hindawi, Sage, Springer, Proquest, IEEE, DOAJ, and Wiley. The sample selection technique is a purposive sampling technique. In this technique, the data that is used as a sample must have a relationship with the research variable. In searching for sample keywords, namely problem solving learning models in learning science (Biology, Chemistry and Physics) in various schools in Indonesia. Data analysis is descriptive statistical analysis with the OpenMEE application. Data analysis was performed by calculating effect size, standard deviation (SD), average value (mean), and N-gain. The results of this study concluded that the application of the problem solving learning model was very effective in learning science in Indonesia. This learning model is able to increase student learning outcomes with an average score of 86 students in the experimental class and 65.5 in the control class, the effect size value is 1.39 in the high category and N-Gain is 0.55.

Limit of a function is the main of calculus that teached in high school. The concept is the value of a function gets closer or approaches some number. This research focuses on finding the use of the limit function concept in every sectors in our daily, inside and outside the mathematic. This research was conducted to increase motivation to students in studying limit of functions in school  and to become a source of knowledge for others. The research method used is study literature. The result of this reseach is the concept of limit function widely used in various sectors of life. In engineering, the concept of limit is used to calculate the speed and maximum output of a machine. In science, the concept of limit exists in mathematics, physics, and chemistry. In the health sector, the concept of limit is used in the eye checkup and in daily, the concept of limit is used with the expression almost, that something is only close, but does not happen.

Humans have the ability to think and always try to improve their knowledge. Human nature is naturally full of curiosity so humans are always looking for answers to their curiosity. Humans seek answers to their curiosity through knowledge, and through knowledge will lead to its own satisfaction according to the demands of the times. The knowledge gained is not only knowledge, but is emphasized on knowledge and truth. Learning everything by studying the right scientific foundation is one of the efforts made by humans to obtain the truth. This study aims to determine the nature of the philosophy of education in the development of science based on local wisdom. The surrounding nature gives birth to local wisdom that is unique and is a potential in the development of science. Science or science which includes physics, chemistry, biology using scientific steps, scientific thinking, and using scientific frameworks. This is the beginning of the philosophy of science used to study, uncover, and solve scientific problems for human life. This study discusses the importance of a person in developing science based on local wisdom as a means of maintaining natural resources, culture, customs that exist in people's lives.

This study aims to see and find out whether there is a relationship between the ability to learn mathematics and the results of learning physics online. Physics is a branch of science that studies the behavior of nature through experimental observations and quantitative measurements. In studying nature, Physics uses the language of mathematics to model natural phenomena in mathematical equations. In studying Physics, it is necessary to be able to The research method used is descriptive correlation analysis. The sample of this study was 60 students for three different classes. The research instrument is a report on student learning outcomes or a list of odd semester report cards for the 2020/2021 school year. The results of data analysis show that there is a significant relationship between mathematics learning ability and online physics learning outcomes with a large correlation coefficient (r) of 0.787 For class X-1, the value of the correlation coefficient is r = 0.734 for class X-2 and r = 0.661 For class X-3. This shows that if the ability to learn mathematics is high, the learning outcomes of physics will be high as well.

Yogyakarta is one of the provinces in indonesia that has many culture, among them is sekaten tradition. Sekaten is a culture to commemorate the birth of prophet Muhammad SAW by Kesultanan Ngayogyakarta Hadiningrat. The activities include playing gamelan in Masjid Gede from 5 to 12 Rabiul Awal and closing by grebeg, parade of gunungan to be shared to society. Implementation sekaten in physics learning is a challenge for physics teacher in globalization era. This article aims to integrate physics curriculum in Indonesia and sekaten tradition. This reseach used qualitative method. The impacts are physics teachers can improve skill to manage learning from local culture. Hence, this article discuss method to analysis competence from physics curriculum in Indonesia which integrated sekaten tradition. This result is expected to be guidelines physics teachers to teached physics based sekaten tradition. Futhermore, it can improve student knowledge and attention about local culture

Research has been carried out on the implementation of the gasing method on the ability to understand students' physics concepts where before the gasing method was implemented into the learning process, physics subjects did not receive a positive response from students and still considered that physics mostly had formulas that had to be memorized, as well as symbols and calculations used. quite complicated for students. Those are some of the factors that cause physics learning to be less than optimal which can be seen from the lack of understanding of students' physics concepts on the material. To overcome this problem, the top method is implemented in learning which can create a fun and enjoyable learning atmosphere in the teaching and learning process. This method can also help explain a natural phenomenon that cannot be witnessed or studied directly. Based on the results of research that has been carried out, students who are taught using the gasing method have a better understanding of physics concepts, namely 67.65% with a variance of 6.08 compared to students who are taught by conventional methods of 54.84% with a variance of 5.26.