Palm oil solid was of plantations that have not been maximally processed into something more useful. This research aims to synthesize empty oil palm fruit bunches through several stages combination method mechanical processes, chemical processes, and physical processes. The cellulose nanofibers that have been produced are then tested for characterization to see the potential of cellulose nanofibers as the basic material for making biodegradable bioplastics. The analyzes that have been carried out are X Ray Diffraction analysis (XRD), Fourier Transform Infra Red Analysis (FTIR), and morphological analysis of solid waste of empty palm oil fruit bunches converted into cellulose nanofibers. The results of characterization of solid waste of empty palm oil fruit bunches converted into cellulose nanofibers indicate that these nanocellulose fibers have the potential to be used as the basic material for making bioplastics that are environmentally friendly and biodegradable. XRD analysis shows that the difragtogram of nanocellulose fibers has a more significant crystallinity than other natural materials. FTIR analysis provides an overview of the molecular functional groups needed to be the basic material for the manufacture of environmentally friendly bioplastics. Likewise, the results of the morphological analysis of solid waste of empty palm oil fruit bunches converted into cellulose nanofibers have superior quality which can be used as bioplastic film composites.
The development of science and technology in the digital era of Four Point Zero has a great impact on the world of education. One of them is by utilizing e-learning applications in the learning process. However, the technology used in this learning is too dependent on the internet network. Therefore, the research aims to develop a media in the form of an Android-based e-learning application that can be used online and offline. This study uses a research and development design using the ADDIE model. To create and test these products, in this case an Android-based e-learning application. Procedure This research was carried out through 6 stages, namely needs analysis, application design stage, development, data analysis, evaluation, and development of a final product that is ready to be used. From the results of the material validation test and the feasibility of the developed application media, it is very feasible to use.
Kompetisi Sains Nasional (KSN) adalah sebuah ajang kompetisi sains yang dilaksanakan oleh Kementrian Pendidikan dan Kebudayaan Republik Indonesia. KSN yang dilaksanakan pada tingkat SMA ini adalah bidang Kimia yang terintegrasi yang bertujuan untuk meningkatkan kualitas mutu pendidikan dengan mengembangkan secara konprehensif melalui penumbuhkembangan semangat belajar, kreatifitas dan motivasi untuk meraih prestasi. Untuk itu agar dapat mencapai salah satu tujuan KSN yaitu motivasi untuk mencapai prestasi maka sangat diperlukan persiapan dalam menghadapi KSN tersebut. Persiapan yang perlu dilakukan adalah dengan membekali para peserta dengan kemampuan yang baik dalam penguasaan materi dalam hal ini bidang Kimia. Metode pembelajaran yang digunakan adalah model pembelajaran ATM yaitu amati, tiru, dan modifikasi. Tujuan dari pelaksanaan Pembekalan dan Pelatihan dalam menghadapi KSN ini adalah memberikan pengetahuan dan meningkatkan penguasaan materi sehingga siswa siswi khususnya SMA Plus Penyabungan lebih siap dalam mengikuti KSN. KSN yang akan dilaksanakan diharapkan SMA Plus Penyabungan dapat mengirimkan wakilnya ke-Tingkat Nasional dan dapat membawa nama baik SMA Plus Penyabungan secara khusus dan nama baik Sumatera Utara secara Umum.
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