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All Journal Hydrogen: Jurnal Kependidikan Kimia Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram
Yusran Khery
IKIP Mataram
Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Mathematics Physics Other

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Gagasan Model Pembelajaran Mobile–NOS Untuk Peningkatan Literasi Sains Siswa Yusran Khery; Baiq Asma Nufida; Suryati Suryati; Sri Rahayu; Endang Budiasih
Hydrogen: Jurnal Kependidikan Kimia Vol 6, No 1 (2018): Hydrogen: Jurnal Kependidikan Kimia
Publisher : Universitas Pendidikan Mandalika Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (661.447 KB) | DOI: 10.33394/hjkk.v6i1.1600

Abstract

This article describes the idea of a mobile learning model - NOS for enhancingstudents' scientific literacy and student responses to these ideas. This article iscompiled based on literature studies, simple observations on several variablessupporting mobile learning at IKIP Mataram, and evaluating prospective userresponses to the development idea using a questionnaire. Respondents were 54students of IKIP Mataram Chemistry education. The response data is processedby percentage formula based on category criteria. Mobile-NOS learning islearning that applies the Nature of Science (NOS) learning steps with the supportof learning media in the form of mobile applications that can be applied in smartmobilephone. The six main steps in implementing learning are oriented to Natureof Science (NOS), namely: (1) Reading the context on electronic articles; (2) Indepthquestioning; (3) Observation of cases and targets; (4) DemonstrationProcedure; (5) Library Search; (6) Implementing Procedures; (7)Communicating Science Knowledge; and (8) Authentic Assessment.The results ofthis study showed an average response to the idea of developing NOS-orientedmobile learning at 85.23% with a very good category.
EFISIENSI ISOLASI MINYAK ATSIRI DARI KULIT JERUK DENGAN METODE DESTILASI AIR-UAP DITINJAU DARI PERBANDINGAN BAHAN BAKU DAN PELARUT YANG DIGUNAKAN Suci Cahyati; Yeti Kurniasih; Yusran Khery
Hydrogen: Jurnal Kependidikan Kimia Vol 4, No 2 (2016): Hydrogen: Jurnal Kependidikan Kimia
Publisher : Universitas Pendidikan Mandalika Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (498.846 KB) | DOI: 10.33394/hjkk.v4i2.97

Abstract

Citrus nobilis L. peel was used as a source of essential oil production through water-stem distillation method. The aim of this research was to compare yield and quality of essential oil from Citrus nobilis L. peel obtained from ratio of 0,2; 0,4 and 0,6 of raw material mass and solvent volume during water-stem distillation. In each run, 1000 mL of water was applied as solvent, and the distillation was performed for 6 hours.. Results show that the best yield and quality of the produced essential oil was obtained on 400 gram/1000 mL ratio. This ratio produced essential oil in a yield of 2.18 %, 0.8484 gram/ mL density, yellowish oil with orange typical aroma, and viscous. GC-MS analysis results of the oil show the composition of Limonene 56,96%, α-Pinene 3,86%, β-Phellandrene 1,02%, β-Pinene 2,40%, β-Myrcene 2,76%, Linalool 7,69%, 3-Cyclohexene-1-methanol 2,04%, Nerol 1,44% and Benzenedicarboxylic acid 14,50%. 
Pengaruh Strategi Pengembangan Keahlian Berpikir Divergen Dengan STAD Terhadap Karakter Berpikir Divergen Konvergen dan Kemampuan Berpikir Siswa Yusran Khery; Destri Supriani
Hydrogen: Jurnal Kependidikan Kimia Vol 2, No 1 (2014): Hydrogen: Jurnal Kependidikan Kimia
Publisher : Universitas Pendidikan Mandalika Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (556.098 KB) | DOI: 10.33394/hjkk.v2i1.643

Abstract

Tujuan penelitian ini untuk mengetahui ada tidaknya pengaruh strategi pengembangan keahlian berpikir divergen dengan STAD (STAD-Divergen) terhadap karakter berpikir divergen konvergen dan kemampuan berpikir divergen siswa kelas X SMA Islam Al-Azhar NW Batulayar pada materi Hidrokarbon. Populasi dalam penelitian ini adalah siswa kelas X di SMA Islam Al-Azhar NW Batulayar tahun ajaran 2012/2013. Penelitian ini menggunakan metode Eksperimen. Pengumpulan data dalam penelitian ini dilakukan dengan metode angket, dan tes. Analisis data dilakukan dengan statistik parametrik perbandingan dua sampel, uji t-sampel bebas dan deskriptif kualitatif menggunakan program SPSS 16.0 for windows. Hasil uji Hipotesis ini membuktikan Strategi pengambangan keahlian berpikir divergen (STAD-Divergen) tidak berpengaruh terhadap karakter berpikir divergen dan konvergen, tetapi berpengaruh terhadap kemampuan berpikir divergen siswa.  
Efektifitas Penurunan COD Limbah Tempe Tahu Oleh Karbon Aktif Tongkol Jagung Yusran Khery; Nova Kurnia; Kahpiyati Kahpiyati
Hydrogen: Jurnal Kependidikan Kimia Vol 1, No 1 (2013): Hydrogen: Jurnal Kependidikan Kimia
Publisher : Universitas Pendidikan Mandalika Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (129.579 KB) | DOI: 10.33394/hjkk.v1i1.575

Abstract

Penelitian ini bertujuan untuk mengetahui efektifitas serbuk karbon aktif tongkol jagung dalam menurunkan kadar COD limbah cair industri tempe tahu. Sampel penelitian ini yaitulimbah cair pada di bak pembuangan perajin tempe tahu di Kekalik. Dalam penelitian ini, dipelajari efisiensi adsorpsi COD pada konsentrasi HCl 0, 5, 10, 15, dan 20 saat aktivasi karbon aktif; pada volume sampel 50, 150, dan 250; pada waktu kontak 30, 60, 90, 120, 150 menit; dan pada ukuran serbuk 50, 60, 100, 120 mesh, ukuran ayakan kopi, dan granul. Berdasarkan hasil penelitian diperoleh bahwa konsentrasi HCl dan volume sampel optimum berturut-turut yaitu 15% dan 150 mL dengan efisiensi penurunan COD sebesar 42,86%. Waktu kontak optimum yakni 90 menit dengan efisiensi sebesar 90%.Sedangkan ukuran serbuk karbon aktif yang paling baik menurunkan kadar COD yakni 120 mesh dengan efisiensi 47,22%. Semakin kecil ukuran serbuk aktif, efisiensi penurunan kadar COD limbah cair industri tempe tahu semakin besar.
TINGKAT PERANAN PEMBELAJARAN KIMIA DALAM MENDUKUNG GERAKAN SEKOLAH SEHAT, AMAN, RAMAH ANAK, DANMENYENANGKAN (STUDI KASUS) Yusran Khery; Pahriah Pahriah; Hasinarmi Hasinarmi
Hydrogen: Jurnal Kependidikan Kimia Vol 4, No 2 (2016): Hydrogen: Jurnal Kependidikan Kimia
Publisher : Universitas Pendidikan Mandalika Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (481.254 KB) | DOI: 10.33394/hjkk.v4i2.99

Abstract

This study aimed to determine the level of learning the role of chemistry in supporting a healthy school movement, a safe, child-friendly, and fun (a case study in SMAN3 Mataram). This study used qualitative design to find out how the learning process chemistry students in the school to support the movement of healthy, safe, child friendly, fun environment SMAN3 Mataram. Subject of research was teachers and students learning chemistry class III. The instrument used in this study was the observation of the environment of the school and the learning process, interviews with teachers to find out the learning process in learning chemistry related to school environment healthy, safe, child friendly and pleasant and the student questionnaire to determine the level of the role of chemistry learning in support of the movement schools healthy, safe, child friendly, and fun during the process of chemical learning. The results of the study was  indicate that the rate of learning the role of chemistry in supporting a healthy school movement, a safe, child-friendly, and fun can improve student learning SMAN 3 Mataram.
Pengaruh Context-Rich Problems Terhadap Keterampilan Berpikir Kritis, Berpikir Kreatif, dan Proses Sains Mahasiswa Pada Mata Kuliah Kimia Dasar II Pahriah Pahriah; Yusran Khery
Hydrogen: Jurnal Kependidikan Kimia Vol 3, No 2 (2015): Hydrogen: Jurnal Kependidikan Kimia
Publisher : Universitas Pendidikan Mandalika Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (589.983 KB) | DOI: 10.33394/hjkk.v3i2.686

Abstract

Dalam mata kuliah kimia dasar II, mahasiswa belum mampu menerapkan keterampilan berpikir kritis, berpikir kreatif, dan proses sains secara maksimal. Oleh sebab itu mahasiswa sering tidak memahami dengan baik, kehilangan arah, tidak dapat memberi alternatif dalam proses penyelesaian permasalahan kimia baik di kelas maupun laboratorium. Penerapan Context-rich Problems dapat mendorong mahasiswa untuk menerapkan kemampuan berpikir kritis, kreatif, dan proses sains secara maksimal. Penelitian ini bertujuan untuk mengetahui pengaruh Context-rich Problems terhadap keterampilan berpikir kritis, berpikir kreatif, dan proses sains mahasiswa dalam mata kuliah kimia dasar II. Penelitian ini dilaksanakan dengan rancangan quasy eksperimental. Subjek penelitian adalah mahasiswa tahun pertama Fakultas Pendidikan Matematika dan IPA IKIP Mataram tahun pelajaran 2014/2015. Hasil penelitian menunjukkan bahwa penerapan context-rich problems dapat menyebabkan keterampilan berpikir kritis, keterampilan beprikir kreatif dan keterampilan proses sains mahasiswa lebih baik dalam mata kuliah kimia dasar II daripada tanpa contet-rich problems. Hal ini ditunjukkan melalui skor rata-rata kemampuan beprikir kritis mahasiswa di kelas eksperimen (67,85) lebih baik daripada kelas kontrol (54,61) dengan uji t-polled varians, diperoleh  thitung = 3,56  > ttabel = 1,99 pada taraf signifikan 5%. Skor rata-rata keterampilan berpikir kreatif kelas eksperimen (71,80) lebih tinggi daripada kelas kontrol (61,54) dengan thitung > ttabel (4,67 > 2,008) pada taraf signifikan 5%. Nilai rata-rata keterampilan proses sains kelas eksperimen (74) lebih tinggi daripada kelas kontrol (63). Dengan hasil uji kolmogorov-smirnov, terhadap data keterampilan proses sains siswa menunjukkan KD hitung = 0,34 > KD tabel = 0,29 pada taraf signifikan 5%. Hal ini membuktikan bahwa terdapat perbedaan yang signifikan pada keterampilan proses sains siswa antara kelas eksperimen dan kelas kontrol.
APLIKASI PEMBELAJARAN BERBASIS ANDROID PADA MATERI SISTEM PERIODIK UNSUR UNTUK PENINGKATAN PEMAHAMAN KONSEP MAHASISWA Pahriah Pahriah; Yusran Khery
Hydrogen: Jurnal Kependidikan Kimia Vol 5, No 1 (2017): Hydrogen: Jurnal Kependidikan Kimia
Publisher : Universitas Pendidikan Mandalika Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (861.078 KB) | DOI: 10.33394/hjkk.v5i1.105

Abstract

This article describe the development result of android base self learning aplication to help students reach conceptual understanding on elements periodic siystem. In form research and development, it was carred out by ADDIE model. Subject of this research is chemisry education students of IKIP Mataram who fulfill Elementary Chemistry I lectur. Based on research it was concluded that : (1) android base mobile learning media application on elements periodic system subject material was produce and operate successly wity adobe air application support.  Content and design validity of this product are 81.11 % and 83.97 % successively with very aligible category. Practiotioner and small group trial subject respond are 80.83 % and 89.02 % with very eleigible cathegory; (2) this android base application was enhance students elements periodic system conceptual understanding effectively. It was proved by N-gain average of students conceptual understanding enhancment is 0.82 with high category and t-gain value (6.135) larger than ttable(tα = 0.55; dk= 9  = 2.62).
Respon dan Aktivitas Siswa dan Guru Pada Penerapan Perangkat Pembelajaran Asam Basa Dengan Pendekatan Somatis Auditori Visual Intelektual (SAVI) Yusran Khery; Raodyatun Raodyatun
Hydrogen: Jurnal Kependidikan Kimia Vol 2, No 1 (2014): Hydrogen: Jurnal Kependidikan Kimia
Publisher : Universitas Pendidikan Mandalika Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (275.814 KB) | DOI: 10.33394/hjkk.v2i1.644

Abstract

Penelitian ini bertujuan untuk melihat respon dan aktivitas siswa dan guru pada penerapan perangkat pembelajaran asam basa dengan berdasarkan pendekatan Somatis Auditori Visual Intelektual (SAVI) dalam kegiatan pembelajaran di kelas. Metode penelitian yang digunakan ialah pre-experimental design, dan desain penelitian yang digunakan ialah one-shot case study. Instrumen yang digunakan dalam penelitian ini ialah : (1) angket respon siswa; (2) lembar observasi kegiatan guru; (3) lembar observasi kegiatan siswa. Hasil penelitian menunjukkan bahwa: (1) respon siswa terhadap penerapan perangkat pembelajaran asam basa dengan pendekatan SAVI  baik, begitu juga dengan respon guru; (2) aktivitas siswa dan guru pada setiap pertemuan dalam penerapan perangkat pembelajaran asam basa dengan pendekatan Somatis Auditori Visual Intelektual (SAVI)  sangat baik. Berdasarkan hasil tersebut respon guru dan siswa terhadap penerapan perangkat pembelajaran asam basa dengan pendekatan SAVI dalam kelas baik.
Pengembangan E-modul Interaktif Berbasis Android dan Nature of Science Pada Materi Ikatan Kimia dan Gaya Antar Molekul Untuk Menumbuhkan Literasi Sains Siswa Lalu Bhabiet Rinjani Accraf; Suryati Suryati; Yusran Khery
Hydrogen: Jurnal Kependidikan Kimia Vol 6, No 2 (2018): Hydrogen: Jurnal Kependidikan Kimia
Publisher : Universitas Pendidikan Mandalika Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (643.322 KB) | DOI: 10.33394/hjkk.v6i2.1607

Abstract

Chemical bond sand intermolecular forces have abstract characteristics. Thepresence of technology in learning media can help students understand theconcept. The learning media in question can be in the form of an androidbasedinteractive e-module that provides convenient accessibility for users. Topresent the atmosphere of science learning, the e-module can be structuredwith the orientation of the Nature Of Science. This research and developmentaims to produce an android-based interactive e-module prototype with thenature of science oriented on chemical bonding and intermolecular forcessubject material to foster students' scientific literacy. This type of researchand development study was carried out with the Nieven development modelwhich consisted of 4 stages: (1) preliminary research stage, (2) prototypingstage ,(3) summative evaluation stage, and (4) systematic reflection anddocumentation stage. However, due to limited resources, this study wascarried out until summative evaluation. With the presentation formula andwith the categories, the results of expert validation obtained an averagepresentation of 90% with very feasible categories, and practical test resultson chemistry teachers obtained avalue of 95% with very feasible categoriesand the results of limited group trials obtained 85% with very decentcategory. Therefore, it can be concluded that the interactive e-moduleprototype that developed is very feasible and can be proceed to abroaderstage in fostering students' literacy skills.
Pengembangan Modul Ikatan Kimia dan Bentuk Molekul Berorientasi Nature of Science Untuk Menumbuhkan Literasi Sains Siswa Hifzani Nurwanti; Yusran Khery; Baiq Asma Nufida
Hydrogen: Jurnal Kependidikan Kimia Vol 6, No 2 (2018): Hydrogen: Jurnal Kependidikan Kimia
Publisher : Universitas Pendidikan Mandalika Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (880.07 KB) | DOI: 10.33394/hjkk.v6i2.1603

Abstract

This development aims to determine the characteristics and feasibility of the oNature of Science (NOS) oriented module On the Chemical Bonds andMolecular Forms subject material through the 4D stage (Define, design,develop and disseminate). This research and development is carried out up tothe stage of development (development) with adjustments based ondevelopment needs. The module prototype was validated by 2 expertvalidator, 1 practitioner validator and 10 students as limited test respondents.Quantitative data were analyzed by percentage formulas and category.Qualitative data in the form of responses and suggestions are used asconsiderations for revisions. The results of expert validation showed anaverage percentage of 92.67% with very good categories of material experts,83.34% with very good categories from product design experts and 76% withgood categories from teacher practitioners. The average response of studentsto the modul prototype is 85.1% with a very good category. This shows thatthe module that developed is feasible to proceed to a large-scale trial phase.
Co-Authors Abdul Kadir Jailani Abu Rizqiana Baiq Asma Nufida Destri Supriani Endang Budiasih Hari Prima Ahmadi Hasinarmi Hasinarmi Hifzani Nurwanti Kahpiyati Kahpiyati Lalu Bhabiet Rinjani Accraf Najmah Najmah Nova Kurnia Nurma A. Iswari Pahriah Pahriah Raodyatun Raodyatun Ria Kusumawardhani Sri Rahayu Subandi Subandi Suci Cahyati Suhadi Ibnu Suryati Suryati Wiwik Handayani Yeti Kurniasih