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All Journal Kaunia: Integration and Interconnection of Islam and Science Journal
Sutardi Sutardi
Madrasah Aliyah Negeri (MAN) Model Singkawang, Kalimantan Barat
Religion Biochemistry, Genetics & Molecular Biology Chemistry Mathematics Physics

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PENINGKATAN MINAT DAN HASIL BELAJAR SISWA DENGAN METODE PEMBELAJARAN QUIZ TEAM ”THINK FAST DO BEST” PADA MATERI REAKSI OKSIDASI-REDUKSI DI KELAS X MAN MODEL SINGKAWANG Sutardi Sutardi; Rahmi Nuraztia; Sugianto Adi Saputra
Kaunia: Integration and Interconnection Islam and Science Vol. 9 No. 2 (2013)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1058

Abstract

Learning has been done using the quiz team "think fast do best" for material Reaction of Oxidation Reduction in class X MAN Model Singkawang academic year 2011/2012. The main purpose of the creation method of quiz team "think fast do best" is to increase interest and student learning outcomes that previously could not be done with the lecture method. Learning quiz team method begins by dividing students into small groups. All members of the group together to learn the subject matter guided by the teacher, and then continued by discussing the worksheets to reinforce students' understanding. After finishing the discussion, held an academic competition in the form of a quiz. In practice, the quiz can be provided with a variety of simulation/games to reduce boredom in the classroom learning. Quiz team "think fast do best" methods was created as an alternative exciting quiz game that has many advantages, such as, can simultaneously determine students' progress, diagnose students' learning difficulties, enhance cooperation of students in learning, provide feedback, increased interest and motivation of students to learn better, and can instill character values in students. In addition, the results of observation and student questionnaire shown that the quiz team "think fast do best" method made to increase student interest and proven to help students to understand the subject matter, particularly the matter oxidation numbers, as demonstrated by the results of post-test and test formative (daily tests) where the majority of students get good value (above KKM set).
ADSORPSI Hg(II) DENGAN ADSORBEN ZEOLIT MCM-41 TERMODIFIKASI Sutardi Sutardi; Sri Juari Santosa; Suyanta Suyanta
Kaunia: Integration and Interconnection Islam and Science Vol. 10 No. 1 (2014)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1060

Abstract

Synthesis of MCM-41 through hydrothermal process toward the mixture of 7.52 g Na2SiO3 and 2.28 g cethyltrimethylammonium bromide (CTAB) in 19 ml H2O adjusted at pH 10 by using H2SO4 solution 1 M has been done. The mixture was continuously stirred for 2 h at room temperature, moved to autoclave and proceeded hydrothermally at 150oC for 36 h. The solid product was filtered, washed, dried in oven at 80oC for 24 h, and then calcined at 550oC for 6 h. While, for synthesis of NH2-MCM-41, mixture of 1,0 gr MCM-41 and 2,0 mL (3-aminopropyl) trimethoxysilane (APTMS) was refluxed for 24 h with 100 mL toluene. The solid product was filtered off and washed with toluene and ethanol respectively and dried in oven at 50oC for 2 h. The solid product was characterized by infrared spectrophotometry, X- ray diffraction, TEM method, and sorption N2. The results of FTIR analysis showed the presence of Si-OH and Si-O-Si groups in the structure of MCM-41 and NH2-MCM-41. The existence of amino propyl functional groups was observed in the spectra NH2-MCM-41 showed the anchoring process against MCM-41 has been successfully carried out. The pattern of X-ray diffractgram and TEM image results for MCM-41 and NH2-MCM-41 showed a uniform hexagonal pore structure. The results of the analysis of N2 gas fisisorpsi by BET method showed that after anchoring process, the size of the surface area, pore diameter, and total pore volume decreases. The synthesized MCM-41 and NH2-MCM-41 were applied as adsorbent of Hg(II) in aqueous solution at pH 4. Adsorption of Hg(II) using  MCM-41 followed the first order mechanism with value of k1 1.73 x 10-3 minute-1, while adsorption of Hg(II) using NH2-MCM-41 fit well the second order mechanism with value of k2  3.97 x 10-5  (g/mol.minute). NH2-MCM-41 possesed better adsorption capacities, i.e. 63,29 mg/g (3,16 x 10-4  mol/g) than MCM-41, i.e. 14,21 mg/g (7,09 x 10-5 mol/g).
Co-Authors Rahmi Nuraztia Sri Juari Santosa Sugianto Adi Saputra Suyanta Suyanta