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Pengaruh Waktu Infusa dan Suhu Air yang Berbeda Terhadap Aktivitas Antioksidan dan Vitamin C pada Infused Water Kulit Pisang Manna Wassalwa
Jurnal Ilmiah Mahasiswa Pendidikan Biologi Vol 1, No 1 (2016): Agustus 2016
Publisher : Jurnal Ilmiah Mahasiswa Pendidikan Biologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (161.06 KB)

Abstract

Effect of different time and water temperature of infusion on the antioxidant activity and vitamin C on banana peel infused water were studied. Antioxidant activity was performed by DPPH (1,1 diphenyl-1-picrylhydrazyl) radical scavenging method and concentration of vitamin C was determined using UV-Vis spectrophotometer method. The ANOVA test shown that the combination of time and water temperature of infusion gave a significant effect on the antioxidant activity and  vitamin C on banana peel infused water (p0,05). The highest concentration both of antioxidant with value 4,80 ppm and vitamin C value 9,75 ppm were obtained from sample of 37°C of water temperature with 120 minutes of infused duration. A positive correlation between concentration of each sample with their %inhibition was observed (r=0,99). IC50 value was measured of 3,63 ppm. It is shown that the sample exhibited a strong antioxidant DPPH radical scavenging activity.
Sikap Peserta Didik Terhadap Sains di Sekolah Menengah Pertama dan Madrasah Tsanawiyah Negeri Kabupaten Aceh Jaya Manna Wassalwa; Evendi Evendi; Ismul Huda; Yusrizal Yusrizal; A. Halim; Saminan Saminan
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 2 (2022): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i2.1359

Abstract

Attitudes towards science are attitudes that appear in students before and after learning science. The higher the attitude of students towards science subjects, the higher their learning outcomes will be. On the other hand, the lower the students' attitudes towards science subjects, the lower their learning outcomes will be. This study aims to analyze how students' attitudes towards science. This research method is survey research using the Test of Science Related Attitude (TOSRA) instrument with a 5-point Likert scale on 161 students as the research sample. Data analysis was done by statistical descriptive. The results of the study on five indicators of students' attitudes towards science obtained the highest response, namely the pleasure of learning science was in the agreed criteria (39.40%) and was in the positive category (47.2%); Interest in spending time studying science is in the agreed criteria (37.29%) and is in the positive attitude category (54.7%); Interest in a career in science is found in the agreed criteria (34.43%) and in the positive attitude category (50.3%); The attitude of scientific investigation was obtained with the criteria of agreeing (29.71%) and was in the category of positive attitude (77%); and the social implications of science are obtained on the agreed criteria (37.04%) and are in the positive attitude category (72%). Overall, students' attitudes towards science with the highest responses were found in the agreed criteria (35.56%) with the category of positive attitudes (75.8%) in SMP and MTsN Aceh Jaya District
Analisis Keterampilan Berbicara Menggunakan Buku Cerita Bergambar pada Siswa Kelas Tinggi Alfiah Khairani; Andika Harizal Siregar; Manna Wassalwa; Juni Sahla Nasution
Jurnal Bima : Pusat Publikasi Ilmu Pendidikan bahasa dan Sastra Vol. 2 No. 2 (2024): Juni : Jurnal Bima : Pusat Publikasi Ilmu Pendidikan bahasa dan Sastra
Publisher : Asosiasi Riset Ilmu Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/bima.v2i2.955

Abstract

This research aims to describe the speaking skills of high school students using picture story books. The method used in this research is literacy or literature review by collecting data sources relevant to the topic. The results of the research show that the use of picture story books as a learning medium has a significant impact on students' speaking abilities in high grades. Telling stories using picture books in peer groups can stimulate children's reasoning. Illustrations in storybooks are more effective in helping children understand the language and how it is conveyed compared to stories that only consist of text.
Pengaruh Akuntabilitas dan Fairness Terhadap Kinerja Keuangan PT. L-Hijrah Tour & Travel Medan Manna Wassalwa; Fauzi Arif Lubis; Aqwa Naser Daulay
Jurnal Akuntan Publik Vol. 1 No. 4 (2023): Desember : Jurnal Akuntan Publik
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jap-widyakarya.v1i4.1495

Abstract

This research aims to analyze the influence of accountability and fairness on the financial performance of PT. L-Hijrah Tour & Travel Medan. This research uses primary data by distributing questionnaires as a research source and secondary data in the form of financial reports of PT. L-Hijrah Tour & Travel Medan from 2018-2022. The respondents in this research were employees of PT. L-Hijrah Tour & Travel Medan with 30 responses. The sampling method used in this research is saturated sampling, while the data analysis method is carried out using the multiple linear regression method supported by the SPSS version 22 program. The results of this research show that accountability has a smaller and significant effect, 0.05 (0.002 < 0.05), meaning that in this study Ho was rejected and Ha was accepted. Accountability influences the financial performance of PT. L-Hijrah Tour & Travel Medan.
Application of the Quantum Learning Model to PGMI Students in Mathematics Learning Manna Wassalwa
Cendekiawan : Jurnal Pendidikan dan Studi Keislaman Vol 2 No 2 (2023): June Edition: Multiple Intelligences of Students in Formal, Informal, and Nonform
Publisher : Yayasan Zia Salsabila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61253/cendekiawan.v2i2.164

Abstract

The application of learning models that are less effective and innovative can lead to low student learning outcomes, so a learning model is needed that is able to motivate students to improve learning outcomes, especially in mathematics content. This study aims to determine the increase in student learning outcomes who get the Quantum Teaching learning model at the PGMI major in mathematics learning. Quantum Teaching provides the view that students in the learning process are important not just sitting and listening, but students need to be active to find their own knowledge. The method used in this study is a qualitative method with a descriptive approach. Based on research it is known that this quantum teaching learning model can increase motivation and understanding of learning in PGMI students in mathematics lessons.
MENUMBUHKAN BUDAYA LITERASI MEMBACA DALAM PEMBELAJARAN BAHASA INDONESIA UNTUK MENINGKATKAN KETERAMPILAN MEMBACA PADA ANAK USIA SEKOLAH DASAR Adelina Br. Sembiring; Ainun Mardiah; Manna Wassalwa; Nabila Suhaila Lubis; Try Suci Prastiwi
Jurnal Riset Rumpun Ilmu Bahasa Vol. 2 No. 2 (2023): Oktober: Jurnal Riset Rumpun Ilmu Bahasa
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurribah.v2i2.1406

Abstract

Low literacy skills lead to low interest in reading among students, especially elementary school children. One of the government's steps in an effort to increase students' interest in reading is the School Literacy Movement (GLS) program. The effort made is by reading for 15 minutes, the books read start from story books and comic books according to what elementary school children like. The purpose of this research is to foster students' interest in reading which has been lost due to the influence of globalization in this modern era. Where elementary school children nowadays play gadgets more often than reading books, especially their school books. This study used a qualitative approach with the library research method. The object of study and data analysis is carried out by reviewing several relevant journals and various reports related to the problem to be solved. The results of the study show that the literacy movement can foster interest in reading in elementary school students. Because in general children like to read stories, such as comic stories or fables that have interesting pictures.
Analisis Perkembangan Peserta Didik Anak Usia SD Kelas 5 di Letda Sudjono Kecamatan Medan Tembung Ramadan Lubis; Adinda Rahmah Rangkuti; Nina Aldila Berutu; Manna Wassalwa; Siti Fifi Juliani; Try Suci Prastiwi
Fatih: Journal of Contemporary Research Vol. 1 No. 2 (2024): July-December
Publisher : Yayasan Zia Salsabila

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Abstract

Penelitian ini bertujuan untuk melihat perkembangan fisik, psikomotorik, kognitif, sosial, emosi, moral, dan spiritual anak kelas 5 SD. Penelitian ini menggunakan pendekatan kualitatif dengan metode deskriptif. Hasil penelitian menunjukkan bahwa Alfarizi memiliki perkembangan yang baik dalam aspek fisik maupun psikomotorik, seperti tinggi dan berat badan Alfarizi yang seimbang, keterampilan dalam menulis maupun berolahraga. Secara emosional, Alfarizi cukup baik dalam mengekspresikan perasaan emosinya meskipun terkadang sulit di kontrol oleh dirinya sendiri. Pada aspek sosial, Alfarizi sangat mudah bergaul dengan teman-temannya maupun orang di sekitarnya. Aspek kognitif juga berkembang dengan baik dan menyelesaikan tugas secara mandiri walaupun kadang-kadang masih diajari oleh orang tuanya. Dalam aspek moral dan spiritual, Alfarizi masih bolong-bolong melaksanakan salat, namun rutin ikut belajar mengaji setiap hari bersama guru lesnya dan moral positifnya juga perlu ditanamkan serta ditingkatkan sejak dini agar berakhlak mulia.
HAKIKAT KURIKULUM DALAM PERSPEKTIF FILSAFAT PENDIDIKAN ISLAM Alfiah Hairani; Alliyah Putri; Manna Wassalwa; Nurul Sakinah; Syahrani Yumna Irfani
Dewantara : Jurnal Pendidikan Sosial Humaniora Vol. 2 No. 3 (2023): September : Dewantara : Jurnal Pendidikan Sosial Humaniora
Publisher : Universitas 45 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30640/dewantara.v2i3.1375

Abstract

The curriculum is structured in such a way as to perfect the learning process. The Islamic education curriculum is more emphasized on the concentration of devotion to God, so that in principle it is very closely related to the goals of Islam itself. This paper aims to unravel the nature of the curriculum in the perspective of Islamic educational philosophy itself. This study uses the library study method by collecting data from analyzing sources from related books and journals. Researchers found that the nature of the curriculum in the perspective of Islamic educational philosophy requires various components, namely; the principles of the educational curriculum, the characteristics of the Islamic education curriculum, and the scope of the Islamic education curriculum.