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All Journal Jurnal Entropi Sainstek Jurnal Teknik QUANTUM: Jurnal Inovasi Pendidikan Sains Jurnal Penelitian Pendidikan IPA (JPPIPA) Dalton : Jurnal Pendidikan Kimia dan Ilmu Kimia Jambura Journal of Educational Chemistry Jambura Journal of Chemistry Hydrogen: Jurnal Kependidikan Kimia Prosiding Seminar Nasional Teknologi Industri Berkelanjutan Prosiding Amal Insani Foundation Proceeding Seminar Nasional IPA Algoritma: Jurnal Matematika, Ilmu Pengetahuan Alam, Kebumian dan Angkasa Konstanta : Jurnal Matematika dan Ilmu Pengelatuan Alam
Nita Suleman
Universitas Negeri Gorontalo
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Other

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Identifikasi Pemahaman Konsep Siswa pada Materi Termokimia Menggunakan Tes Diagnostik Three-Tier Multiple Choice Suleman, Nita; Lukum, Astin; Rauf, Nuramna; Paputungan, Mardjan; Alio, La; Sukamto, Kostiawan
Jambura Journal of Educational Chemistry Vol 5, No 2 (2023): August
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jjec.v5i2.13255

Abstract

This research is descriptive qualitative research, which aims to determine students' concept understanding of thermochemistry in class XI SMA Negeri 1 Gorontalo. The instrument used was a Three-tier multiple-choice Diagnosis Test. The research subject used was class XI IPA SMA Negeri 1 Gorontalo, with a sample size of 42 students. The research data was obtained from students' answers to the Three-tier multiple-choice questions. The data was processed based on the pattern of student answers, which were then grouped into the categories of conceptual understanding, misconceptions, and not conceptual understanding. The results showed that students who understood the concept were 46.19%, misconceptions were 43.97%, and did not understand the concept by 9.84%.
Pemanfaatan Limbah Tandan Kosong Kelapa Sawit (Elaies Guineensis Jacq.) Sebagai Briket Bioarang Meyrin Hamzah; Erni Mohamad; Nita Suleman; Ishak Isa; Wiwin Rewini Kunusa; Arviani Arviani
Konstanta : Jurnal Matematika dan Ilmu Pengetahuan Alam Vol. 3 No. 1 (2025): Jurnal Matematika dan Ilmu Pengelatuan Alam
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/konstanta.v3i1.4723

Abstract

This study aims to determine the process of making oil palm empty fruit bunch briquettes through variations in tapioca flour as an alternative material, through the stages of research which include briquette making, namely drying, carbonization and printing. Briquette characterization includes proximate tests, namely water content, ash content, calorific value and densit. From the results of the proximate test at a ratio of 91:9, it shows that the quality of oil palm empty fruit bunch biochar briquettes with a moisture content of 7.07%, ash content of 8.769%, calorific value of 5850.2 cal/g and density of 0.55 g/cm3. The utilization of oil palm empty fruit bunches not only reduces waste, but also provides a solution for sustainable energy needs.
Implementation of Problem-Solving Learning Model to Improve Problem-Solving Skills of MAN 1 Kota Gorontalo Students Pikoli, Masrid; Amu, Siti Fadila Muhtar; Suleman, Nita
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 4 (2024): August 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i4.11646

Abstract

This study aims to improve problem-solving skills in thermochemistry material for 11th Grade MIPA (Mathematics and Natural Science) 2 class of MAN (Islamic Senior High School) 1 Kota Gorontalo students. This study is a class action research conducted in two cycles. The subjects of this study were all students of 11th Grade MIPA 2 class of MAN 1 Kota Gorontalo, which amounted to 40 students.  Data collection methode include tests and observations, while data analysis involves qualitative descriptive study. Data was obtained from the test results of students' problem-solving skills and the result of observing teacher and student activities through observation sheets. The results show that problem-solving learning model can improve students' problem solving skills, where the ability to understand the problem from 72% in Cycle I increased to 90.8% in Cycle II. The ability to plan problem-solving increased from 73.5% in Cycle I to 87.7% in Cycle II. The ability to execute the plan increased from 69.8% to 86.6% in cycle II, while the ability to rechek increased from 57.5% in Cycle I to 77.7% in Cycle II. Then, teacher activity increased from 65.71% in Cycle I to 85.71% in Cycle II. Moreover, student activity increased from 61.62% in Cycle I to 80.12% in Cycle II.
Co-Authors Abas Abas, Novendra S Abdul Gias Junus Ahmad Kadir Kilo Akram La Kilo Amu, Siti Fadila Muhtar Andimala, Febriyanti Arviani Arviani Arviani, Arviani Astin Lukum Basalama, Muhamad Tri Rezki Elvira T Haruna Erga Kurniawati Erni Mohamad Hendri Iyabu Ishak Isa Jafar La Kilo Julhim S Tangio Jumi, Wa Karmila Nusi Kostiawan Sukamto, Kostiawan Kupang, Sri Revayana La Alio La Ode Aman Liputo, Aprila Perdana Eka Citra Lukman A. R. Laliyo Mardjan Paputungan Masrid Pikoli Merlin Darise Meyrin Hamzah Monoarfa, Wanda Musrin Salila Mustofa Mustofa Naiyo, Marlina H. Najmah, Najmah Netty Ino Ischak Nilda Apriyati Tengo Nurhayati Bialangi Nurhayati Lambayu Otoluwa, Sri Yulanda Padi, Maryam Paputungan, Fadilah Alawiya Rauf, Nuramna Rifadli Bahsuan Romario Abdullah Salman, Lismawati Suleman Duengo Wa Heni Wiwin Rewini Kunusa Yulia Rahman Yunus Yulianti Yulianti