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All Journal Reaktor Jurnal Pendidikan Fisika Indonesia Jurnal Pendidikan IPA Indonesia
H. Susanto
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Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Education Energy Materials Science & Nanotechnology Physics

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PENERAPAN PEMBELAJARAN PROBLEM BASED INSTRUCTION BERBANTUAN ALAT PERAGA PADA MATERI CAHAYA DI SMP Hapsoro, C. A.; Susanto, H.
Jurnal Pendidikan Fisika Indonesia Vol 7, No 1 (2011)
Publisher : Jurusan Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Semarang

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Abstract

Hasil observasi awal di kelas VIII SMP Negeri 1 Demak menunjukkan bahwa metode pembelajaran yang selama ini dilaksanakanmasih berpusat pada guru sehingga siswa tidak aktif. Berdasarkan hasil pengamatan, tujuan dari penelitian ini adalah untukmengetahui adakah peningkatan hasil belajar dengan menerapkan metode pembelajaran Problem Based Instruction berbantuanalat peraga materi cahaya di SMP Negeri 1 Demak. Hal ini menunjukkan bahwa pembelajaran Problem Based Instructionberbantuan alat peraga lebih baik dalam rangka meningkatkan hasil belajar siswa. Akivitas siswa pada kelas kontrol sebagaianbesar berada pada rentang cukup aktif, sedangkan pada kelas eksperimen sebagian besar siswa berada pada rentang tinggi. Earlier observation at SMP Negeri 1 Demak showed that learning method used in the current physics lesson was teacher centeredcausing inactive student. Based on that observation result, the study with the purpose of exploring the increase of learningachievement of the student of SMP Negeri 1 Demak tought by Problem Based Instruction supported by teaching aid applied in lightlesson was carried out. The result of the study shows that Problem Based Instruction supported by teaching aid can increaselearning achievement of the student. This is proved by the result of average learning achievement of experiment class which ishigher than those of control class. In addition to that, the active student of experiment class also shows higher rate value than thoseof control class.Keywords: Problem Based Instruction, learning achievement, Activity of student
PEMBELAJARAN SAINS DENGAN PENDEKATAN KETERAMPILAN PROSES UNTUK MENINGKATKAN HASIL BELAJAR DAN KEMAMPUAN BERPIKIR KREATIF SISWA Rahayu, E.; Susanto, H.; Yulianti, D.
Jurnal Pendidikan Fisika Indonesia Vol 7, No 2 (2011)
Publisher : Jurusan Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Semarang

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Abstract

Penelitian tindakan kelas ini bertujuan untuk mendeskripsikan pembelajaran sains dengan pendekatan keterampilan proses untukmeningkatkan hasil belajar dan kemampuan berpikir kreatif siswa. Penelitian ini dilaksanakan dalam tiga siklus. Setiap siklus terdiridari perencanaan, pelaksanaan, observasi, dan refleksi. Data hasil belajar afektif dan psikomotorik diperoleh dari lembarobservasi, hasil belajar kognitif dan berpikir kreatif diperoleh dari tes essay. Hasil penelitian menunjukkan ada peningkatan hasilbelajar dan kemampuan berpikir kreatif siswa kelas VII D SMP Negeri 1 Getasan setelah penerapan pendekatan keterampilanproses pada pokok bahasan kalor. This classroom action research aims to describe lesson applying process skill approach to increase learning achievement andstudents creative thinking ability. The research was done in three cycles consisting of planning, action, observation and reflection.Data of affective and psychomotor learning achievement were gathered using observation sheet, while the cognitive one was takenusing essay test. The result shows that there is an increase of learning achievement and creative thinking ability of grade VII DSMPN 1 Getasan students after the application of process skill approach in heat topic.Keywords: creative thinking; learning achievement; science lesson; process skill approach
PENINGKATAN HASIL BELAJAR PESERTA DIDIK MELALUI PENERAPAN METODE PADA MATERI POKOK BAHASAN BUNYI SISWA KELAS VIII SMP Mabruroh, N.I.; Susanto, H.; Handayani, L.
Jurnal Pendidikan Fisika Indonesia Vol 6, No 2 (2010)
Publisher : Jurusan Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Semarang

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Abstract

Observasi awal terhadap proses pembelajaran IPAFisika di salah satu SMP Kabupaten Pekalongan, menunjukkan pembelajaranyang hanya dilakukan secara mekanistis, kurang memperhatikan kemampuan berpikir dan siswa cenderung pasif sehingga hasilbelajar masih rendah. Penelitian ini menerapkan metode pembelajaran (TPS) dengan maksud memberikesempatan kepada siswa untuk berpikir dan merespon, membantu satu sama lain, sehingga setiap siswa dapatmengembangkan kemampuan berpikir, pemecahan masalah, dan ketrampilan sosialnya. Penelitian ini bertujuan untukmeningkatkan aktivitas dan hasil belajar siswa melalui penerapan metode pembelajaran TPS dengan desain PTK dalam tigasiklus. Data diambil dengan lembar observasi dan LKS untuk mengetahui aktivitas siswa dan tes hasil belajar untuk mengetahuipemahaman materi. Hasil penelitian menunjukkan adanya peningkatan nilai rata-rata kelas tiap siklus, persentase ketuntasanklasikal pada aktivitas dan hasil belajar kognitif siswa. Siswa merasa senang dan menikmati pembelajaran bermetode TPS.Disimpulkan bahwa penerapan metode TPS dalam pembelajaran IPA Fisika mampu meningkatkan aktivitas dan hasil belajarsiswa. The preliminary observation on the physics learning process in one of the secondary schools in Pekalongan District shows that thelearning process is just mechanics instruction and give no more attention on the thinking ability, so that the students to be passiveand students learning achievement are low. In this research, we applied Think-Pair-Share method. This method is selected to giveopprtunity for students to think, to respond, and to cooperate, so that each student can develop their capabilities in thinking, solvingthe problems as well as improve their social skills. The goal of this research is to improve the students activities in learning processwhich have a good impact on the students achievements by applying TPS learning method and in three cycles of action researchdesign. Data were gathered from observations and students worksheets to explore their activities during learning process and fromcognitive test results to know their understanding of sounds concepts. The analysis results show that there is a significantimprovement of students activities and their achievements in every cycle. The students feel happy and enjoy the class. It can beconcluded that the implementation ofTPS learning method in learning phyics increase students activities and their achievements.Keywords: student’s achievements; sounds;Think-Pair-Share
Enhancement of Students’ Biological Literacy and Critical Thinking of Biology through Socio-Biological Case-Based Learning Suwono, H.; Pratiwi, H. E.; Susanto, H.; Susilo, H.
Jurnal Pendidikan IPA Indonesia Vol 6, No 2 (2017): October 2017
Publisher : Program Studi Pendidikan IPA Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpii.v6i2.9622

Abstract

Biology is a leading science and a foundation in everyday life for all people. Biology student teachers need to be equipped with biological literacy and critical thinking skills in order to teach biology in the future. This research is aimed at determining the effect of socio-biological case-based learning on biological literacy and critical thinking skills of biology student teachers compared with the traditional learning (lecture-based learning). Socio-biological case-based learning is a model of problem-based learning by placing biological cases as a problem to be explained and solved through a series of investigative activities. This research was a quasi-experimental conducted at the Department of Biology, Universitas Negeri Malang. The research samples were the first year students who programmed the General Biology course, consisting of 29 students as a control group and 33 students as experimental group. This research was conducted in September-December 2015. The data of biological literacy and critical thinking were collected from pre-test and post-test. The data were analyzed using ANCOVA test. The research showed that there was a significant difference of biological literacy and critical thinking skills between the students taught by using socio-biological case-based learning and those taught by using lecture-based learning. The research indicated that the socio-biological case-based learning could enhance the biological literacy and critical thinking skills of biology students teachers.
Treatment of Coal Mine Acid Water Using Nf270 Membrane as Environmentally Friendly Technology Kiswanto, K.; Susanto, H.; Sudarno, S.
Jurnal Pendidikan IPA Indonesia Vol 9, No 3 (2020): September 2020
Publisher : Program Studi Pendidikan IPA Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpii.v9i3.23310

Abstract

Ex-mining pond water is widely used for the daily needs of the people these days, such as bathing, washing, and even drinking. Over time, it turns out that coal mine acid water has polluted the environment. The use of membrane technology to produce water that meets drinking water quality standards by the Minister of Health Regulation No. 492 of 2010 can be a solution to this problem. The NF270 membrane is a membrane process between reverse osmosis and ultrafiltration, which has a lower flux and operating pressure below 0.2-1.53 Mpa compared to reverse osmosis. Membrane NF270 is used for the reclamation of wastewater, water purification and softening, seawater desalination, and others. Its high rejection of organic molecules with a molecular weight of 200-2000 Da ions and multivalent can remove suspended solids, natural organic matter, bacteria, viruses, salts, and divalent ions contained in water, including coal mine acid water. The purpose of treating acid mine drainage with the NF270 membrane is to remove COD, TSS, TDS, and Fe metals. The NF270 membrane was used in this study to treat the coal mine acid water of PT. Bukit Asam. The performance of the NF270 process was assessed from the effect of pressure (4, 5, and 6 bar) on the flux and rejection rate of each parameter in a single solution, mixed and aqueous coal mine acid solution. The optimum pressure of the NF270 membrane for all parameters was 6 bar. This optimum pressure was then used to compare the phenomenon of flux that occurred and the level of rejection produced in the original sample of coal mine acid water. In the original coal mine acid water, there was a significant decrease in flux due to fouling deposition on the membrane surface. This phenomenon of decreasing flux was caused by fouling and polarization concentration. The rejection rates produced for the parameters of COD, TSS, TDS, and Fe with NF270 membranes were 56.4-93.1%; 78.5-100%; 43-69.3%; 67-100% respectively. Treated coal mine acid water using NF270 membrane technology can be used as drinking water that meets the standards of the Indonesian Ministry of Health Regulation. Thus, NF270 membrane technology can be used to process coal mine acid water into environmentally friendly drinking water.
Pemutihan Pulp Tandan Kosong Sawit Dengan Proses-Proses Kimia Ramah Lingkungan H. Susanto
Reaktor Volume 07 No.2 Desember 2003
Publisher : Dept. of Chemical Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5559.122 KB) | DOI: 10.14710/reaktor.7.02.84-89

Abstract

  Beberapa proses pemutihan ramah lingkungan telah diuji-coba sebagai kelanjutan pengembangan proses pemanfaatan tandan kosong sawit (TKS). Pulp TKS dengan bilangan kappa 33 sebagai bahan baku pemutihan disiapkan dengan proses kraft konvensional dan proses etanol yang ramah lingkungan. Pemutihan dilakukan dengan proses ODEoDnD yang bebas Cl2 (elemental chlorine free), serta proses PP dan proses OPOP yang tanpa klor sama sekali (totally chlorine free). Proses konvensional CEDED dengan Cl2 digunakan sebagai pembanding. Pulp putih TKS umumnya memiliki kekuatan mirip pulp putih kayudaun: indeks sobek 6,5-8,5 Nm2/kg, indeks retak 3,5-3,7 Nm2/kg dan indeks tarik sekitar 34 Nm/kg. sayangnya,pemutihan dengan proses PP dan OPOP menghasilkan pulp putih dengan derajad putih hanya sekitar 41% GE. Pemutihan dengan proses ODEoDnD atau proses CEDED menghasilkan pulp dengan derajad putih 80-84%GE. Derajat putih pulp TKS  dari dua proses terakhir ini mirip dengan pulp putih kayudaun (81%GE). Pulp TKS dengan sifat-sifat semacam ini dapat dijadikan bahan baku kertas Koran yang memiliki spesifikasi: derajat putih 57% indeks sobek 4,35 Nm2/kg dan indeks tarik 21 Nm/kg.Kata kunci : limbah organic padat, pulping, emutihanramah lingkungan
Pengolahan Air Gambut Dengan Kombinasi Proses Flokulasi dan Mikrofiltrasi N. Aryanti; H. Susanto
Reaktor Volume 08 No.1 Juni 2004
Publisher : Dept. of Chemical Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3853.788 KB) | DOI: 10.14710/reaktor.8.1.43-47

Abstract

Makalah ini membahas gabungan proses flokulasi dan membrane mikrofiltrasi untuk pengolahan air gambut. Penelitian dilakukan dengan menggunakan air gambut sintetis  yang dibuat dari humic acid pada berbagai variasi konsentrasi. Validasi dilakukan dengan air gambut asli yang berasal dari daerah Riau dengan kadar organic 168,5 mg/L KMnO4. Sebagai flokulan digunakan FeCl3 dengan jenis membrane hollow fiber polisulfon. Respon yang diamati adalah fluk dan rejeksi kadar organic. Percobaan dilakukan dengan variasi tekanan 0,4-1,6 bar dan konsentrasi flokulan 0-40 mg/L. hasil penelitian menunjukkan bahwa pengaruh tekanan operasi akan meningkatkan fluk. Kenaikan konsentrasi flokulan dari 0-40 mg/L menyebabkan fluk yang didapatkan semakin turun dengan rejeksi kadar organik naik. Kondisi operasi terbaik yang didapatkan yaitu pada tekanan 1,2 bar dan konsentrasi flokulan 40 mg/L untuk air gambut  sintetis, sedangkan untuk air gambut asli pada tekanan 1 bar dan konsentrasi floklan 30 mg/L. Kata kunci : flokulan, membrane mikrofiltrasi, fluk, rejeksi
Experimental And Mathematical Modeling Studies Of Liquid-Liquid Membrane Contactor H. Susanto; I. G. Wenten
Reaktor Volume 5 No.2 Desember 2001
Publisher : Dept. of Chemical Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5801.676 KB) | DOI: 10.14710/reaktor.5.2.71-78

Abstract

Experimental and modeling studies of the effect of tempetarature on liquid-liquid membrane contactor (LLMC) have been done. The experiments were conducted by varying temperature of 25 up to 80 0C, cross flow velocity from 0.02 to 0.05 m/s and feed concentration of 0, 5000 and 30,000 mg/l. In these experiments microporous hydrophobic hollow fiber polypropylene membrane with 0.2 μm was used as a contacting device. The modeling has been done by compiling mathematic equation of mass and  heat transfers in liquid-liquid membrane contactor. Both the experimental and modeling result show, the increase in feed temperature increase  the flux of pure water exponentially, whereas the flux decrease with increasing the permeate temperature. The feed temperature increase at higher temperature result in hogher flux increase. The concentration of pure water result in the range of 1.8 to 5.6 mg/l depending on feed concentration.Keywords : membrane contactor, modeling
Co-Authors Alfathy, R. M. C. A. Hapsoro D. YULIANTI E. Rahayu I. G. Wenten Kiswanto - L. Handayani N. Aryanti N.I. Mabruroh P. Marwoto Pratiwi, H. E. S. Sudarno, S. Susilo, H. Suwono, H.