This research aims to find out about sound and light materials. Researchers use qualitative research and this type of research is a descriptive method that groups people, an object, a condition, and an event. The descriptive method is a method that describes or analyzes a problem. Qualitative research is divided into 2, namely primary data through interviews and documentation, while secondary data through the books studied. The aim of this research is to analyze sound and light material which includes its properties and application in life. daily. The results of this research show that sound is a vibration that propagates as a wave through solid, liquid or gas media and sound is also defined as a series of waves of changes in density and sound pressure, while light is a wave that passes through a vacuum.

Keberhasilan dan kegagalan suatu proses pendidikan Islam secara umum dapat dinilai dari out-put-nya, yakni orang-orang sebagai produk pendidikan Islam. Jika Pendidikan Islam mengalami kegagalan dalam mengantarkan manusia kearah cita-cita manusiawi yang bersandar pada nilai-nilai ke-Tuhanan, maka yang akan terjadi adalah tumbuhnya prilaku-prilaku negatif dan destruktif, seperti kekerasan, ketidakpedulian sosial, dan lain sebagainya, yang semuanya itu mengakibatkan penderitaan semesta. Berbagai prilaku-prilaku destruktif tersebut, yang sering muncul dinegara Indonesia, merupakan akibat dari belum munculnya memiliki kesadaran. Pihak-pihak yang yang paling memegang kunci dan mempunyai peran utama dalam memupuk dan membangun kesadaran generasi penerus bangsa adalah; orang tua melalui lembaga keluarga,masyarakat dengan pengawasannya, sekolah dengan seluruh elemenya dan pemerintah dengan kebijakan dan keteladannya.Pihak-pihak ini harus mempunyai kesamaan dasar pandang, koordinasi, singkronisasi serta saling bahu membahu dalam membangun kesadaran generasi penerus bangsa.

In 2013 the 2013 Curriculum was implemented which changed the assessment of students both in terms of knowledge, attitudes and skills. One of the focuses of the 2013 curriculum is authentic assessment. Based on the results of observations and interviews that researchers conducted with several teachers, many teachers experienced difficulties in conducting authentic assessments in the 2013 curriculum, namely teachers felt that Authentic Assessment was too complicated because there were too many aspects to be assessed. The purpose of this study is to analyze the difficulties of teachers in implementing authentic assessment in the 2013 Curriculum, describe teacher constraints and efforts made by teachers. This study used descriptive qualitative method. The data collection techniques used are document studies, observations, and interviews. The results showed that teachers still have difficulty in implementing authentic assessments of the 2013 curriculum, in this case teachers have difficulty

Fire is a disaster that cannot be predicted when it will occur and where it will occur, it's just that densely populated areas are areas that are vulnerable to the danger of fire. Fire disaster in Samarinda City. Data obtained from the Samarinda City Fire and Rescue Service are fire incidents from 2021 to 2023. In 2021 there were 230 fire incidents, in 2022 there were 209 fires, in 2023 there were 99 fires. so this city is one of the cities that experiences the most fires on the island of Kalimantan. Several supporting facilities and infrastructure owned by the Samarinda City Fire and Rescue Department, such as hydrants and fire extinguishing posts, have been increased in number. This research functions to group fire data per year using the k-means clustering algorithm.

Technological advances have made social media a marketing platform that many people are interested in. Various applications already have marketing features such as the TikTok and Instagram applications. By utilizing content as a marketing medium for a brand or product owned on the TikTok and Instagram applications. This research was carried out using a literature study method through previous journals related to the problem. The aim of this research is to find similarities and differences between the TikTok and Instagram application algorithms as marketing media. The results of this research are that the TikTok and Instagram applications have the same advantages in marketing an item or product, namely making the content as interesting as possible to attract the enthusiasm of the general public online.

The development of the times that brings change can especially be felt with the presence of the media. Of course it is not surprising, knowing that social media is of great interest to digital technology users. However, the social media that is currently busy and popular among social media users, which is currently trending, is the Tik-Tok application. In the Tik Tok application, it displays a variety of videos that attract the attention of its users. But who would have thought, behind the use of the Tik Tok application as a means to increase creativity, it has a side that has an impact on users' feelings of addiction. Addiction is caused by Tik Tok users who do not have supervision or do not know the limits of excessive use. So, addicts to the Tik Tok application will be careless and even forget about how much time they use in their daily lives. This research aims to find out one of the causes of divorce caused by the TikTok application. So the application can be used as an anticipation of action for active social media users on the Tik Tok application. This research was prepared based on a library study taken from information related to the unwise use of Tik Tok which can give rise to bad habits such as bad morals, erosion of manners, neglect of carrying out obligations and not having a sense of responsibility.

Hypertension in pregnancy is a common pregnancy complication, affecting 2% of pregnant women worldwide. It is the cause of death of pregnant women in the world, hypertension is treated conventionally, namely hypertension-reducing drugs, but this conventional treatment has many problems because it is related to pregnant women which will definitely be related to the fetus they are carrying. At the Bestari Community Health Center, Medan Petisah District, the health status of mothers and children is good, but there are still problems for pregnant women who experience hypertension during their pregnancy, which is around 30%. The incidence of hypertension in pregnancy is high in the working area of the Bestari Community Health Center, Medan Petisah District, because people consume more than the amount of salt, the food menu is haphazard, and if they are treated with hypertension medication, they are not consumed because it will have a bad impact on their child, to solve the problem, to resolve the treatment. An alternative to non-pharmacological treatment is using music therapy and providing counseling about correct eating patterns. The aim of this community service is to increase knowledge and reduce the incidence of hypertension in pregnant women by using counseling methods and applying music therapy. Method: By providing counseling and music therapy, the results of the implementation of Beethoven's classical music therapy activities are: knowledge of the community (pregnant women) about eating patterns increased by approximately 89% and hypertension which was successful decreased in the 2-4th week of therapy, namely on average 110/70 mmHg..

The Community Service was carried out in Beji Village, East Ungaran District, which consisted of 13 RW 51 densely populated RT. Most of participant work in the private and government sectors. Some of entrepreneurs are held fish farming which are managed by the community as an additional necessity for life. To sum up, the implementation of Community Service in Beji village, sub-district East Ungaran can be concluded as follows: Community service activities in Beji Village, East Ungaran District, Semarang Regency run well so that participants gained knowledge which can be implemented. Participants were given an explanation on how to make good Biofloc pond fish food and providing tarpaulins to partners as a form of concern for developing biofloc ponds.

Implementation of Corporate Environmental Responsibility or CSR (Corporate Social Responsibility) is one of the obligations that must be fulfilled by companies in Indonesia which has been regulated through Article 74 paragraph (1) of Law Number 40 of 2007 concerning Limited Liability Companies (UUPT) as a general implementing regulation. corporate social responsibility/CSR in Indonesia and Government Regulation Number 47 of 2012 concerning Social and Environmental Responsibility of Limited Liability Companies as its implementing regulations.

<p>Selain sebagai pilar keempat demokrasi, jurnalis idealnya juga membangun kesadaran masyarakat mengenai keamanan siber. Apalagi kerja jurnalistik saat ini juga berada dalam ranah online. Hal ini penting dilakukan, karena beberapa kasus yang terkait dengan keamanan siber akhirnya mengganggu kerja jurnalis, seperti serangan DDoS yang menyerang infrastruktur jaringan menggunakan teknologi digital. Jurnalis semakin menghadapi tantangan yang kompleks karena belum semuanya memahami pentingnya keamanan siber saat menjalankan tugasnya. Penelitian ini mengeksplorasi tantangan jurnalis dalam kerja jurnalistik mereka, juga mencatat pengalaman nyata bagaimana antisipasi dan strategi yang dilakukan. Metode yang digunakan adalah kualitatif dengan pendekatan Interpretative Phenomenological Analysis (IPA). Temuan riset ini menyatakan tantangan terbesar justru muncul dari dalam diri jurnalis sendiri yang tidak semuanya sudah melek keamanan siber karena merasa belum perlu pengamanan padahal potensi serangan baik secara institusi maupun personal dapat terjadi kapan saja. Terlebih lagi, dari pihak perusahaan media juga tidak melakukan upaya preventif, dan bertindak jika sudah terjadi serangan siber. Dua hal ini menjadi tantangan yang harus dihadapi dan diharapkan dapat berubah demi keamanan siber di lingkungan kerja dan mendukung kerja jurnalistik yang aman.</p><p> </p><p>Kata Kunci : serangan digital ; tantangan jurnalis ; keamanan siber</p>