The objective of this research is to investigate the influence of students learning activity and creativity toward the math learning achievement. In addition it is to know simultaneously the influence of students learning activity and creativity toward the math learning achievement. The research method is used in this research is survey. There are 60 students come from tenth grader of SMA Numaniyah and SMA Fatahillah Ciledug Tangerang as sample of the research, interview, questionner, and achievement test are used to collect the data. The descriptive statistical is used to analyze the data beside person double correlation coefficient, determination coefficient and regression analysis T and F test are used to incate the statistical test. The research was conducted on March 2012. The result of the research show that there is simultaneous influence between students learning activity and creativity toward the math learning achievement of tenth grader students at SMA Ciledug Tangerang. It is stated by the quality regression of Y = -6,227 + 0,85 + 0,683. It indicates that one level of improvement of learning activity and creativity will be followed by the students achievement of -6,227. The students learning activity and creativity variables indicates the significance influence toward the students learning achievement. It is shownby the determination coefficient of R2 = 0,777 and F test score = 99,459.
Tingkat penularan Covid-19 yang masih tinggi terutama untuk anak-anak setelah lonjakan covid kedua ini anak-anak banyak terserang Covid-19, oleh karena itu perlu dilakukan pemberdayaan masyarakat dalam penerapan protokol kesehatan untuk melakukan sosialisasi pada anak-anak untuk menjaga kesehatan di tengah pandemik Covid-19 ini di daerah Sumedang Jawa Barat. Hal ini dilatarbelakangi karena kurangnya pemberdayaan masyalakat dalam melakukan sosialisasi protokol kesehatan terhadap anak-anak PAUD dimana usia di bawah 5 tahun tersebut masih belum bisa vaksin untuk membentuk herd immunity. Berdasarkan hal tersebut maka tim pengabdian masyarakat yaitu dosen Universitas Indraprasta PGRI beserta mitra yaitu Himpunan Kelompok Tani Indonesia membuat program pemberdayaan masyarakat dalam penerapan protokol kesehatan sebagai upaya pencegahan dan pemutusan rantai Covid-19. Kegiatan yang dilakukan melakukan pemberdayaan masyarakat dalam penggunaan masker yang tepat, pemberian hand sanitizer dan sabun cuci tangan di PAUD daerah kabupaten sumedang tepatnya di RA As Salam, Dusun Bunisari 02/04, Desa Banjarsari Kecamatan Jatinunggal Kabupaten Sumedang. Kegiatan ini bertujuan untuk meningkatkan kesadaran dan pola hidup kebiasaan masyarakat di masa pandemi Covid-19. Hasil yang dicapai dari kegiatan pengabdian ini yaitu (1) wawasan dan pengetahuan anak-anak PAUD meningkat tentang disiplin protokol kesehatan Covid-19, (2) Anak- anak PAUD memiliki masker kain sebagai alat pelindung diri untuk mencegah penularan Covid-19, (3) Anak-anak PAUD mengetahui tentang bahaya Covid-19, serta (4) kesadaran anak-anak PAUD meningkat untuk saling mengajak anak-anak lain agar menjaga diri dari penularan Covid-19 terutama untuk anak-anak dibawah 5 tahun. Program ini diharapkan dapat bersifat berkelanjutan dan memberikan banyak manfaat sehingga masyarakat khususnya anak-anak balita dapat terhindar dari penularan Covid-19.
<p class="6AbstrakIsi"><em>Food security is a condition for the fulfillment of food needs for each household, namely, from sufficient food availability with maintained quality as well as being economical. Household gardens as one of the nearest sources to produce sources of household food security in fulfillment of the needs of household nutrition and also to reduce household expenditure as well as increase household income. The aim of this PKM (Community Services) activity is to escalate housewives’ capability in managing the household gardens and also provide insight, knowledge as well as transferred expertise in the cultivation of vegetable crops in limited spaces. This method is carried out through counseling, discussion, as well as simulation so that they can be practiced at their homes. The results from this PKM activity are to create the cultivation of healthy vegetable crops that are rich in nutrition in every household at Vinus housing Desa Sayang Kecamatan Jatinangor Kabupaten Sumedang Jawa Barat.</em></p>
The purpose of this research is to separate gadolinium(III) from terbium(III), by the liquid-liquid extraction method, with the extractant dibutyl dithiophosphate. Gadolinium(III) and terbium(III) have been selected in this study to see if the two metallic ions still could be separated although they have only one difference in atomic number, and in fact, terbium (65Tb) is the next to gadolinium(64Gd), in the lanthanide series. Also besides, the two metals have been found together in the same mineral such as gadolinite, and in some other minerals in Indonesia. Extraction parameters have been firstly selected and extraction conditions have been optimized as well, using the experimental design of Plackett Burman. Thus, experiments have been done to select which of the nine parameters (i.e. Gd(III) and Tb(III) concentrations, the concentration of the extractant (dibutyl dithiophosphate), pH, volume ratio of aqueous phase to the organic phase, extraction temperature, shaking rate, shaking time, resting time (after shaking), have their significant effect on the extraction efficiency and separation. The data resulted from this study show that there were five of the nine factors studied that determine the extraction efficiency and separation. They were (with its respective optimum value in the bracket): Gadolinium concentration [Gd(III)](5 ppm), terbium concentration [Tb(III)](5 ppm), pH(3.0), shaking time (10 minutes), and rest time after shaking (10 minutes).
Green school merupakan program suatu lembaga pendidikan yang bertujuan untuk menjaga, memelihara, dan membangun lingkungan hijau di sekolah. Salah satu kegiatannya adalah penghijauan sekolah. Permasalahan yang dihadapi oleh mitra yaitu (1) masih kurangnya pengetahuan dan keterampilan mengenai penghijauan sekolah, (2) masih kurangnya kesadaran dan kepedulian terhadap pengelolaan lingkungan hidup, (3) belum adanya pelatihan dan sosialisasi tentang gerakan penghijauan dan budidaya tanaman hias. Tim pengabdian kepada masyarakat program studi pendidikan Matematika FMIPA Universitas Indraprasta PGRI, mencoba menawarkan solusi penyuluhan serta demonstrasi atau aplikasi tata cara penanaman yang baik melalui kegiatan ini tentang green school kepada keluarga besar SDS Arruhaniyah 2 Jakarta Utara. Metode pelaksanaan meliputi persiapan, pelaksanaan, dan evaluasi atau pemantauan. Hasil yang dicapai yaitu warga sekolah, terutama siswa mendapatkan pengetahuan tentang tata cara menanam tanaman hias yang tidak memakan ruang atau tempat yang luas, tetapi bisa memanfaatkan ruang atau lahan yang sempit atau terbatas, yaitu dengan menanam tanaman hias yang digantung. Konsep green school tidak hanya yang memiliki banyak tanaman penghijauan, namun lebih dari itu mencakup konsep pengelolaan lingkungan, pengelolaan sampah sekolah, seluruh warga sekolah harus terlibat dalam menjaga kebersihan dan penghijauan lingkungan sekolah, upaya agar lingkungan sekolah tidak banyak menghasilkan sisa konsumsi, dengan mengolah sisa konsumsi seluruh warga sekolah sehingga menjadi sekolah yang benar-benar green school.
Berdasarkan hasil analisis situasi diketahui bahwa kaum perempuan dan anak-anak berpotensi mendapatkam kekerasan dari pengaruh dunia teknologi digital yang saat ini menjadi salah satu media selama masa pandemi covid 19 belum berakhir, namun disaat masa New Normal ini mereka bekerja dan belajar dari rumah (Work Form Home/WFH dan School From Home ) atau Pembelajaran Jarak Jauh secara daring, sehingga mereka mempunyai waktu yang cukup banyak di rumah. Tujuan diadakan penyuluhan terhadap kaum perempuan dan anak-anak yang sering mendapatkan kekerasaan selama Pandemi Covid 19 ini adalah 1) mengetahui proses perkembangan kemajuan teknologi, (2) mengetahui perubahan pola hidup manusia akibat kemajuan teknologi, (3) mengetahui pengaruh kemajuan teknologi di bidang sosial budaya, dan (4) mendapatkan solusi dalam mengatasi dampak negatif dari kemajuan teknologi. Makalah ini merupakan hasil studi pustaka yang bersumber pada buku, artikel, jurnal, dan dilengkapi dengan hasil survei tentang penggunaan teknologi modern yang digunakan sebagai teknik pengumpulan datanya. Data yang diperoleh dianalisis deskriptif secara kritis oleh penulis dengan menggunakan pendekatan teori perubahan sosial budaya. Hasil pembahasan dalam makalah ini menunjukkan sebagai berikut: (1) kemajuan teknologi terus berkembang sangat pesat dan melahirkan masyarakat digital; (2) terjadi perubahan pola hidup manusia akibat kemajuan teknologi sehingga menjadi lebih pragmatis, hedonis, sekuler, dan melahirkan generasi instan namun juga mengedepankan efektifitas dan efisiensi dalam tingkah laku dan tindakannya; (3) kemajuan teknologi berwajah ganda karena menimbulkan pengaruh positif dan negatif bagi kehidupan manusia; (4) upaya untuk menekan dan mengatasi dampak negatif dari kemajuan teknologi dapat dilakukan dengan mensinergiskan peran keluarga, pendidikan, masyarakat, dan negara.
<p>The objectives of the research are to improve the mathematics learning result in <br />finishing the multiplication and division questions through contextual approach at grade II SDN Cempaka Baru 09 Jakarta. To be the further data to search another strategy or approach and to be the fundamental for the following research. The research was treated to 27 students of grade II at SDN Cempaka Baru in academic year 2009/2010 where they have to finish the multiplication and division questions. The research finding shows that there is a significance improvement of the students learning result in finishing the multipilication and division questions at grade II SDN Cempaka Baru 09 Jakarta Pusat. The percentage of step 1 is 61,3%, step II is 71,5%, and step III is 77,1%. Meanwhile, the percentage of contextual learning process of step I is 82,5%, step II is 89,5%, and step III is 93%. The correlation between the teaching and learning result and the contextually teaching and learning process is the more effective the contextual teaching and learning process, the higher scores of the students will be. <br /> <br /><br /></p>
The stability of complex compounds formed from the ligand di-n-butyldithiophosphate (DBDTP) and its derivatives, with ions of rare-earth elements (REEs), such as gadolinium ion (Gd3+), is an important factor in the separation and purification processes of the elements using solvent extraction method. The complex stability is dependent, one of which, on the partial charge of the donor atom (S atom in this case) in the molecule of DBDTP or its derivatives. The more negative the partial charge of the donor atom, the more stable is the complex compound formed. The purpose of this study is to explore the effect of electron donating, and of electron withdrawing groups, as well as the effect of the structure of the butyl group in the molecules of DBDTP and or its derivatives on the partial charge of the donor atom. The method used was the semi empirical quantum mechanical calculations, i.e. the Austin Model 1 (AM1). The results of the study showed that the electron withdrawing group of -CN had resulted in the most positive charge on the donor atom, if it is on the second carbon atom of the butyl group in the DBDTP and or its derivatives. Conversely, in the same carbon atom position, the donating electron group of -CH=CH2 had generated the most negative partial charge on the donor atom. Furthermore, the results of this study also revealed that the sec-butyl isomer produced the most negative partial charge on the donor atom, among other isomers.
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