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Jurnal Ilmiah Mahasiswa Kimia
Published by Universitas Syiah Kuala
ISSN : -     EISSN : 26216132     DOI : -
Core Subject : Science, Education,
Chemistry Other
Jurnal Ilmiah Mahasiswa Pendidikan Kimia (JIMPK) merupakan media publikasi artikel hasil karya tugas akhir/skirpsi mahasiswa Pendidikan Kimia strata satu (S1) Fakultas Keguruan dan Ilmu Pendidikan (FKIP) USK guna untuk memenuhi kewajiban setiap mahasiswa sebagai salah satu syarat sidang dan yudisium sarjana. Artikel diterbitkan setelah diuji turnitin melalui website JIMPK.
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 5 Documents
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Search results for , issue "Vol 2, No 2 (2017): May 2017" : 5 Documents clear
Pengaruh Penerapan Strategi Scaffolding Terhadap Ketuntasan Hasil Belajar Peserta Didik SMA Negeri 4 Banda Aceh Pada Submateri Tata Nama Senyawa Hidrokarbon Faizah Muna nabila; Abdul Gani; . Habibati
Jurnal Ilmiah Mahasiswa Pendidikan Kimia Vol 2, No 2 (2017): May 2017
Publisher : Universitas Syiah Kuala

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AbstrakTelah dilakukan penelitian dengan judul pengaruh penerapan strategi scaffolding terhadap ketuntasan hasil belajar peserta didik SMA Negeri 4 Banda Aceh pada submateri tata nama senyawa hidrokarbon. Jenis penelitian ini yaitu eksperimen dengan pendekatan kuantitatif.. Subjek penelitian yaitu kelas XI IPA 2 sebagai kelas kontrol dan XI IPA 3 sebagai kelas eksperimen yang berjumlah 30 dan 31 orang. Teknik pengumpulan data yaitu tes dan observasi. Instrumen penelitian yang digunakan yaitu berupa soal tes (tes awal dan ulangan harian) serta lembar observasi sikap. Data yang diperoleh diolah dengan menggunakan uji-t untuk membuktikan hipotesis serta rumus persentase. Berdasarkan uji hipotesis hasil yang diperoleh yaitu Hoditerima karena hasil thitung ttabel yaitu 1,853 2,0409. Hasil penelitian menunjukan hasil belajar peserta didik kelas eksperimen sedikit lebih tinggi dari kelas kontrol dengan persentase sebesar 73 69,66%. Penilaian sikap secara klasikal diolah dengan menggunakan rumus persentase dengan hasil rata-rata sebesar 74,8% pada kelas eksperimen dan 73,16% pada kelas kontrol. Berdasarkan hasil penelitian ini maka dapat disimpulkan bahwa tidak terdapat pengaruh penerapan strategi scaffolding terhadap ketuntasan hasil belajar peserta didik pada submateri tata nama senyawa hidrokarbon.Kata kunci : Scaffolding, Ketuntasan Hasil Belajar, Tata Nama Senyawa Hidrokarbon.AbstractIt has conducted the research entitled, The Effect of Implementation of Scaffolding Strategy in Students Learning Outcomes in Nomenclature of Hydrocarbons Subject at SMAN 4 Banda Aceh. This research was conducted by using quantitative approach and the type of this research was experimental research. The subject of this research was class XI IPA 2 as control class and XI IPA 3 as experimental class, which consist of 30 students and 31 students. The technique of data collection of this research was the test and observation. Meanwhile, the research instrument of this study was test (pre-test, daily test, and observation sheet attitudes of the students). The data analyzed by using t-test and formula to prove the hypothesis. Based on the hypothesis, Ho is accepted since t-value is 1,853 2,0409. The result showed that the percentage of the experimental class students learning outcomes is 73,15 greater than control class that is 69,66% with an average value is 2,82 and 2,78. The ratting attitudes of the students processed by using the formula, which the result is 74,8 in the eksperimental class and 73,16% in the control class. Based on the result, it can be concluded that there is no significant improvement in the students learning outcomes in the nomenclature of hydrocarbon subject.Key Words : Scaffolding, Students Learning Outcomes, Nomenclature of Hydrocarbons.
Kompetensi Technological Pedagogical And Content Knowledge Pada Mahasiswa Program Praktik Lapangan Program Studi Pendidikan Kimia Semester Ganjil Tahun Ajaran 2016/2017 Rizki Wiguna; Zarlaida Fitri; . Erlidawati
Jurnal Ilmiah Mahasiswa Pendidikan Kimia Vol 2, No 2 (2017): May 2017
Publisher : Universitas Syiah Kuala

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AbstractTechnological Pedagogical and Content Knowledge (TPACK) is the insight to integrate technology into teaching in a particular material. Chemistry teachers are required to master the technology in teaching chemistry so that they become professional teachers. This study aims to determine the ability of TPACK towards the Internship student in delivering learning materials in the internship school. This research applied a descriptive study by using a quantitative approach. Samples of study are three students of Chemistry Education program taking internship program in SMAN 4 Banda Aceh (by being coded A1) and Syiah Kuala University High School Laboratory (by being coded B1 and B2). Data were collected by conducting through observation when internship students were in the classroom. Observations were carried out twice for each internship student. Observer in this study consisted of two people namely researchers and advisor of internship students. The results showed that mastery of learning material of internship students with A1, B1, and B2 code varied that the lowest score was 49% as sufficient category score and the highest score was 91% that was indicated as very good. The lowest score in the pedagogical knowledge of internship students was 54% as sufficient category while the highest score of 93% included as a very good category. The ability of technological knowledge reached at least 56%, as the highest category reached 81% that was categorized as very good. The ability of Content Knowledge for the lowest percentage was 50% as sufficient category, but the highest score was 80% as good category. The ability of technological pedagogical of internship students in lowest percentage was 52% categorized as sufficient category and the highest was 83% as very good. Pedagogical and content knowledge capability was attained in the lowest 58% as sufficient and the highest 97% as very good. The ability of technological pedagogical and content knowledge in the lowest was 47% categorized as sufficient category and the highest was 88% categorized as very good. On average ability of technological pedagogical and content knowledge of internship students were relatively good with the lowest scores on the technological content knowledge component of 63% and the highest for technological and pedagogical and content knowledge components were obtained about 72%.Keywords: Technological Pedagogical and Content Knowledge, Internship studentsAbstrakTechnological Pedagogical and Content Knowledge (TPACK) merupakan pengetahuan untuk mengintegrasikan teknologi ke dalam pengajaran materi tertentu. Guru kimia dituntut untuk menguasai teknologi dalam mengajarkan ilmu kimia sehingga menjadi guru yang profesional. Penelitian ini bertujuan untuk mengetahui kemampuan TPACK mahasiswa PPL dalam menyampaikan materi pembelajaran di sekolah latihan. Jenis penelitian ini adalah penelitian deskriptif yang menggunakan pendekatan kuantitatif. Sampel penelitian ini adalah 3 mahasiswa Program Studi Pendidikan Kimia yang mengikuti PPL di SMAN 4 Banda Aceh (selanjutnya diberi kode A1) dan SMA Laboratorium Unsyiah (selanjutnya diberi kode B1 dan B2). Data dikumpulkan dengan observasi ketika mahasiswa PPL mengajar dikelas. Observasi dilakukan sebanyak dua kali untuk tiap mahasiswa PPL. Observer dalam penelitian ini terdiri dari dua orang yaitu peneliti dan guru pamong mahasiswa. Hasil penelitian menunjukan bahwa pemahaman materi (CK) mahasiswa PPL dengan kode A1, B1, dan B2 bervariasi dengan skor terendah 49% termasuk kategori cukup dan tertinggi 91% termasuk kategori sangat baik. Skor terendah pada pengetahuan pedagogi (PK) mahasiswa PPL sebesar 54% termasuk kategori cukup sementara skor tertinggi mencapai 93% termasuk kategori sangat baik. Kemampuan pengetahuan teknologi (TK) paling rendah 56% dengan kategori cukup dan paling tinggi mencapai 81% dikategorikan sangat baik. Kemampuan pengetahuan TCK terendah adalah 50% dengan kategori cukup dan paling tinggi 80% termasuk kategori baik. Kemampuan TPK mahasiswa PPL paling rendah adalah 52% dikategorikan cukup dan paling tinggi 83% termasuk kategori sangat baik. Kemampuan PCK terendah adalah 58% termasuk kategori cukup dan tertinggi 97% termasuk kategori sangat baik. Kemampuan TPACK paling rendah adalah 47% dikategorikan cukup dan paling tinggi adalah 88% dikategorikan sangat baik. Rata-rata kemampuan TPACK mahasiswa PPL Program Studi Pendidikan kimia tergolong baik dengan skor paling rendah pada komponen TCK yakni 63% dan paling tinggi untuk komponen TK dan PCK sebesar 72%.Kata Kunci: Technological Pedagogical and Content Knowledge, mahasiswa PPL
Uji Daya Serap Serbuk Gergaji Kayu Pinus (Pinus mercusii) Terhadap Logam Timbal (II) Menggunakan Metode Spektrofotometri Serapan Atom (SSA) Siti Zubaidah; Ibnu Khaldun; Latifah Hanum
Jurnal Ilmiah Mahasiswa Pendidikan Kimia Vol 2, No 2 (2017): May 2017
Publisher : Universitas Syiah Kuala

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AbstrakTelah dilakukan penelitian penyerapan ion logam Pb(II) menggunakan serbuk gergaji kayu pinus (Pinus mercusii). Penelitian ini bertujuan untuk mengetahui daya serap serbuk gergaji kayu pinus (Pinus mercusii) terhadap ion logam Pb(II). Populasi serbuk gergaji kayu pinus yang digunakan sebagai adsorben ion logam Pb(II) ini diambil dari pegunungan Bur Gajah Kecamatan Blangpegayon Kabupaten Gayo Lues dengan sampel sebanyak 200 gram. Studi penyerapan dilakukan dengan memvariasikan variabel pH, kecepatan pengadukan, pengaruh temperatur dan konsentrasi awal ion logam Pb(II). Konsentrasi sisa penyerapan ion logam Pb(II) diukur menggunakan spektrofotometri serapan atom (SSA). Kapasitas penyerapan serbuk gergaji dihitung menggunakan dua model isoterm yaitu isoterm Langmuir dan Freundlich. Setelah kondisi optimum didapatkan serbuk gergaji kayu pinus diaktivasi secara kimia menggunakan larutan NaOH 0.1 N, sebagai kontrol digunakan adsorben tanpa aktivasi. Kondisi optimum hasil penelitian serbuk gergaji kayu pinus dengan ukuran ayakan 150 mesh, waktu kontak 30 menit dan massa serbuk gergaji kayu 1 gram dapat menyerap ion logam Pb(II) pada kondisi pH 5, kecepatan pengadukan 100 rpm, dan suhu 75C. Berdasarkan hasil perhitungan kapasitas penyerapan berdasarkan model isoterm Langmuir dan Freundlich berturut-turut yaitu 7,7041 mg/g dan 0,8635 mg/g, serta perbandingan efisiensi penyerapan secara aktivasi dan tanpa aktivasi yaitu sebesar 99,84% dan 85,47%.Kata kunci: Daya serap, serbuk gergaji, pinus (Pinus mercusii), ion logam Pb(II), AASAbstractThe research has been conducted about ion absorption of Pb (II) by using sawdust pine (Pinus mercusii). This study aims to determine the absorption of sawdust pine (Pinus mercusii) towards metal ions Pb (II). The population of pine wood sawdust that was used as adsorbent metal ions Pb (II) was taken from Bur Gajah mountain Blangpegayon district of Gayo Lues with 200 grams sample. Studies of absorptions were conducted by varying the variable of pH, the speed of stirring, the temperature effect and the initial concentration of metal ions Pb (II). The concentration of residual absorption of metal ions Pb (II) was measured by using atomic absorption spectrophotometry (AAS). The absorption capacities of sawdust were calculated by using two models namely the isotherm Langmuir isotherm and Freundlich. After being gotten the optimum condition, the pine wood sawdust was chemically activated by using 0.1 N NaOH solutions, as an adsorbent that was used without activation control. The optimum conditions of the results of sawdust pine wood with size 150 mesh, contact time of 30 minutes and a mass of sawdust 1 gram can absorb metal ions Pb (II) at pH 5, 100 rpm the speed of stirring, and a 75 C temperature. Based on the results of the absorption capacity from isotherm Langmuir and Freundlich models, it can successively be obtained namely 7.7041 mg / g and 0.8635 mg / g. then, the comparison of the efficient absorption through activation and without activation were 99.84% and 85.47%.Keywords: Absorption, sawdust, pine (Pinus mercusii), metal ions Pb (II), AAS
Uji Aktivitas Ekstrak Daun Legundi Terhadap Penurunan Kadar Glukosa Darah pada Mencit . iqlima; . Erlidawati; Abdul Gani
Jurnal Ilmiah Mahasiswa Pendidikan Kimia Vol 2, No 2 (2017): May 2017
Publisher : Universitas Syiah Kuala

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AbstrakLegundi merupakan tumbuhan yang telah digunakan berbagai pengobatan tradisional. Tujuan penelitian ini untuk mengetahui aktivitas ekstrak daun legundi dan dosis yang paling efektif untuk menurunkan kadar glukosa darah pada mencit. Daun legundi dimaserasi dengan etanol 70% kemudian dievaporasi dan hasilnya di uji fitokimia, uji antioksidan dan uji penurunan kadar glukosa darah mengunakan RAL dengan 6 perlakuan dan 4 ulangan. Mencit dibagi 6 kelompok, yaitu P0 = kontrol negatif (aquades), P1 = kontrol positif (75 mg/kgBB aloksan), P2 = 75 mg/kgBB aloksan + 100 mg/kgBB, P3 = 75 mg/kgBB aloksan + 300 mg/kgBB, P4 = 75 mg/kgBB aloksan + 500 mg/kgBB, dan P5 = 75 mg/kgBB aloksan + metormin 20 mg/kgBB. Hasil uji fitokimia positif mengandung flavonoid, tanin, steroid, saponin dan alkaloid, sedangkan uji antioksidan adanya aktivitas sebagai antioksidan. Hasil pengukuran kadar glukosa darah setelah pemberian ekstrak 100, 300, 500 mg/kgBB mengalami penurunan kadar glukosa darah. Data tersebut dianalisis menggunakan ANOVA mempunyai perbedaan yang signifikan (=0,01), kemudian diuji lanjut dengan BNT dengan hasil P1 berbeda signifikan dengan P2, P3, P4 dan P5. Kesimpulan dari penelitian bahwa ekstrak daun legundi berpengaruh terhadap penurunan kadar glukosa darah dan dosis yang paling efektif untuk menurunkan kadar glukosa darah yaitu 500 mg/kgbb.Kata kunci : Daun Legundi, aloksan, kadar glukosa darah, metfomin.Abstract Legundi is a plant that has been used a variety of traditional treatments. This research aims to determine the activity of the Legundi leaf extract and most effective dose for lowering blood glucose levels in mice. Legundi leaves macerated with 70% ethanol then evaporated and the result in phytochemical screening, antioxidants and decrease blood glucose levels test using RAL with 6 treatments and 4 replications. Mice were divided into 6 groups, namely P0 = negative control (distilled water), P1 = positive control (75 mg/kg alloxan), P2 = 75 mg/kg alloxan + 100 mg/kg Legundi leaf extract, P3 = 75 mg/kg alloxan + 300 mg/kg Legundi leaf extract, P4 = 75 mg/kg alloxan + 500 mg/kg Legundi leaf extract, and P5 = 75 mg/kg alloxan + 20 mg/kg metformin. Positive test results of phytochemical contains flavonoids, tannins, steroids, saponins and alkaloids, while the antioxidant test their antioxidant activity. Results of measurement of blood glucose levels after the extract 100, 300, 500 mg/kg decreased blood glucose levels. The data were analyzed using ANOVA have significant differences ( = 0.01), then tested further by BNT to differ significantly from the results P1, P2, P3, P4 and P5. The conclusion that the Legundi leaf extract effect to the decrease in blood glucose levels and the most effective dose for lowering blood glucose levels of 500 mg/kg.Keywords: Legundi Leaf, alloxan, blood glucose levels, metfomin.
Penerapan Model Pembelajaran Quantum Teaching Untuk Meningkatkan Hasil Belajar Siswa Pada Materi Laju Reaksi Di Kelas XI SMA Unggul Negeri 2 Boarding School Banda Aceh. Anggi Destiana; Ibnu Khaldun; Ratu Fazlia Inda Rahmayani
Jurnal Ilmiah Mahasiswa Pendidikan Kimia Vol 2, No 2 (2017): May 2017
Publisher : Universitas Syiah Kuala

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ABSTRAKTelah dilakukan penelitian tentang penerapan model pembelajaran Quantum Teaching pada materi laju reaksi di kelas XI SMA Unggul Negeri 2 Boarding School Banda Aceh. Tujuan penelitian ini adalah untuk meningkatkan hasil belajar siswa pada materi laju reaksi. Penelitian ini dilakukan menggunakan pendekatan kuantitatif dengan jenis penelitan Quasi-eksperimen one grup postest pretest design tanpa menggunakan kelas kontrol. Subjek dalam penelitian ini yaitu siswa kelas XI-MIA 3 dengan jumlah siswa sebanyak 19 orang, 8 orang siswa laki-laki dan 11 orang siswa perempuan. Teknik pengumpulan data dilakukan dengan tes, Kuesioner angket dan observasi. Instrumen penelitian yang digunakan yaitu berupa soal tes pretest dan posttest serta lembar observasi aktivitas siswa dan angket tanggapan siswa. Hasil penelitian menunjukkan adanya peningkatan hasil belajar kelompok rendah, sedang dan tinggi dengan nilai N-gain sebesar 83,7%, 77,5% dan 74,8% termasuk katagori baik. Nilai thitung yang didapatkan dari katagori kelompok rendah, sedang dan tinggi adalah 19,94, 10,63 dan 6,45 dengan nilai ttabel 2,110 maka peningkatan terjadi secara signifikan. Namun ketuntasan klasikal yang diperoleh sebesar 57,8% termasuk katagori cukup. Persentase penilaian aktivitas siswa secara klasikal selama 3 kali pertemuan berturut turut adalah 65,86%, 87,5% dan 86,05%. Tanggapan positif siswa terhadap pembelajaran dengan menggunkaan model pembelajaran Quantum Teaching sebesar 79,5% termasuk kedalam katagori baik. Berdasarkan hasil penelitian dapat disimpulkan bahwa pembelajaran dengan menggunakan model pembelajaran Quantum Teaching pada materi laju reaksi di SMA Unggul Negeri 2 Boarding School Banda Aceh dapat meningkatkan hasil belajar siswa, meningkatkan aktivitas siswa dan adanya tanggapan positif dari siswa.Kata Kunci: Quantum Teaching, Hasil Belajar, Laju ReaksiABSTRACTA research has been conducted about the application of Quantum Teaching learning model on the topic of reaction rate in class XI SMA Negeri 2 Unggul Boarding School in Banda Aceh. The purpose of this study is to improve student learning outcomes in the topic of rate reaction. This research was conducted by using a quantitative approach in the type of research Quasi-experimental one-group pretest posttest design without using the control class. Subjects in this study were 19 students of class XI-MIA 3 namely 8 male students and 11 female students. Data were collected by contributing the test, questionnaire itmes and observation sheets. The research instruments of study were the form of pretest and posttest tests and students' activities observation sheet and questionnaire responses of students. The results of study showed that there was an increase learning outcomes of low, medium and high values of N-gain namely 83.7%, 77.5% and 74.8%, these included as good category. T-count obtained from the low, medium and high category were 19.94, 10.63 and 6.45 to the value of 2,110 t-table, then there will be significant improvement. But the classical completeness obtained for 57.8% excluding the category enough. The percentage of students in the classical assessment activities for 3 consecutive meetings were 65.86%, 87.5% and 86.05%. The positive responses of students towards learning by applying the Quantum teaching learning model was 79.5% that was included as good category. Based on the results of this study, it can be concluded that learning process by using the Quantum teaching learning model in teaching and learning process in the topic of reaction rate at SMA Negeri 2 Unggul Boarding School can improve students learning outcomes and increase the activities of students and there were several positive feedbacks from students.Keywords: Quantum Teaching, Learning Outcomes, Reaction rate

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