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PENGARUH pH DAN WAKTU KONTAK TERHADAP ADSORPSI METILEN BIRU MENGGUNAKAN SERBUK GERGAJI KAYU JATI 使用真木屑时 pH 值和接触时间对甲基蓝吸附的影响
ALOTROP Pub Date : 2024-06-12 DOI: 10.33369/alo.v8i1.32235
Boy Baunsele
{"title":"PENGARUH pH DAN WAKTU KONTAK TERHADAP ADSORPSI METILEN BIRU MENGGUNAKAN SERBUK GERGAJI KAYU JATI","authors":"Boy Baunsele","doi":"10.33369/alo.v8i1.32235","DOIUrl":"https://doi.org/10.33369/alo.v8i1.32235","url":null,"abstract":"Methylene blue is a dye used in the textile industry, especially in fabric dyeing, but it has a negative impact on the environment. Various methods have been taken to reduce or even eliminate these pollutants in the environment. This research aims to examine the ability of teak sawdust to act as an adsorbent for methylene blue dye. So far, teak wood sawdust as waste that has only been burned has not been used properly and can be used as an adsorbent for the adsorption of methylene blue. This research using the adsorption method uses an 80 mesh adsorbent. The results showed that adsorption of methylene blue occurred optimally at pH 6, with an adsorption percentage of 99.26% and an optimum contact time of 30 minutes for adsorption with an adsorption percentage of 99.4% and an adsorption capacity of 2.045 mg g-1.","PeriodicalId":505229,"journal":{"name":"ALOTROP","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141350992","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PENERAPAN MODEL PEMBELAJARAN GROUP INVESTIGATION (GI) DENGAN BANTUAN MEDIA PEMBELAJARAN BERBASIS ANIMASI UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KREATIF SISWA 借助基于动画的学习媒体,应用小组探究(GI)学习模式提高学生的创造性思维能力
ALOTROP Pub Date : 2024-06-12 DOI: 10.33369/alo.v8i1.34441
Hizkia Mahezra Agustin, Rina Elvia, Salastri Rohiat
{"title":"PENERAPAN MODEL PEMBELAJARAN GROUP INVESTIGATION (GI) DENGAN BANTUAN MEDIA PEMBELAJARAN BERBASIS ANIMASI UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KREATIF SISWA","authors":"Hizkia Mahezra Agustin, Rina Elvia, Salastri Rohiat","doi":"10.33369/alo.v8i1.34441","DOIUrl":"https://doi.org/10.33369/alo.v8i1.34441","url":null,"abstract":"Penelitian bertujuan untuk meningkatkan kemampuan berpikir kreatif siswa dengan menerapkan model pembelajaran group investigation menggunakan bantuan media animasi. Penelitian ini merupakan penelitian tindakan kelas (PTK). Menggunakan kelas XII IPA 4 MAN 1 Kota Bengkulu tahun ajaran 2022/2023 sebagai subjek dari penelitian. Dalam pelaksanaannya, penelitian ini dilaksanakan dengan menggunakan 3 siklus yang terdiri dari 4 tahap yaitu (1) Perencanaan, (2) Pelaksanaan, (3) Observai dan (4) Refleksi. Pengumpulan data dalam penelitian ini digunakan lembar observasi , tes dan lembar respon siswa. Dari data hasil analisis yang dilakukan model pembelajaran dan media yang digunakan dapat membantu meningkatkan kemampuan berpikir kreatif siswa dengan peningkatan hasil pada setiap siklus, pada siklus I 56,2%, siklus II 75% dan siklus III 81,2%. Data hasil observasi siswa menunjukan terjadi peningkatan terhadap aktifan siswa pada setiap siklusnya, siklus I memiliki skor penilaian 13, siklus II 14,5 dan siklus III 17,8. Aspek kemampuan berpikir kreatif yang mengalami peningkatan yang siginifikan adalah aspek flexibility dan originality \u0000Kata Kunci: Model Kooperatif Tipe Jigsaw, Model Discovery Learning, Kemampun Berpikir Kritis","PeriodicalId":505229,"journal":{"name":"ALOTROP","volume":"100 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141352348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ANALISIS BIBLIOMETRIK MENGGUNAKAN VOSVIEWER: TREND RISET KETERAMPILAN BERPIKIR SISTEM DALAM PENDIDIKAN KIMIA 使用 Vosviewer 进行文献计量分析:化学教育中系统思维能力的研究趋势
ALOTROP Pub Date : 2024-06-12 DOI: 10.33369/alo.v8i1.32623
Nadia Amida
{"title":"ANALISIS BIBLIOMETRIK MENGGUNAKAN VOSVIEWER: TREND RISET KETERAMPILAN BERPIKIR SISTEM DALAM PENDIDIKAN KIMIA","authors":"Nadia Amida","doi":"10.33369/alo.v8i1.32623","DOIUrl":"https://doi.org/10.33369/alo.v8i1.32623","url":null,"abstract":"Penelitian ini bertujuan untuk mengkaji perkembangan riset keterampilan berpikir sistem dalam pendidikan kimia. Metode yang digunakan yakni analisis bibliometric dengan bantuan aplikasi VOSViewer. Penelitian dilakukan dengan 4 tahapan yakni: 1) mengumpulkan data publikasi menggunakan database Scopus menggunakan kata kunci “System thinking in chemistry education”, 2) memproses data menggunakan aplikasi microsoft excel, 3) analisis pemetaan komputasional bibliometrik menggunakan aplikasi VOSViewer, dan 4) analisis hasil pemetaan komputasional. Data publikasi merupakan artikel dari tahun 2014 hingga 2023. Penelitian ini dibatasi pada keterampilan berpikir sistem dalam pendidikan kimia, hasil temuan awal diseleksi kembali sehingga diperoleh 67 publikasi yang memenuhi persyaratan untuk penelitian. Berdasarkan hasil pemetaan komputasional diperoleh bahwa penelitian selama 10 tahun terakhir mengalami fluktuasi dengan publikasi terbanyak pada tahun 2019 yakni total 31 publikasi. Studi ini memberikan gambaran yang komprehensif dan perspektif holistik keterampilan berpikir sistem pada pendidikan kimia, serta arahan untuk penelitian masa depan, dengan mengintegrasikan hasil analisis dengan ulasan yang relevan.","PeriodicalId":505229,"journal":{"name":"ALOTROP","volume":"136 48","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141351274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
THE EFFECT OF CONTACT TIME AND BIOSORBENT TEMPERATURE ON THE ADSORPTION OF INDIGO CARMINE DYES IN KAPOK HUSK BIOSORBENT MODIFIED WITH SNAIL MEAT AND KINETIC STUDY 接触时间和生物吸附剂温度对用蜗牛肉改性的木棉壳生物吸附剂吸附靛蓝胭脂红染料的影响及动力学研究
ALOTROP Pub Date : 2023-12-15 DOI: 10.33369/alo.v7i2.30804
Rahmiana Zein, Raisha Mashelina
{"title":"THE EFFECT OF CONTACT TIME AND BIOSORBENT TEMPERATURE ON THE ADSORPTION OF INDIGO CARMINE DYES IN KAPOK HUSK BIOSORBENT MODIFIED WITH SNAIL MEAT AND KINETIC STUDY","authors":"Rahmiana Zein, Raisha Mashelina","doi":"10.33369/alo.v7i2.30804","DOIUrl":"https://doi.org/10.33369/alo.v7i2.30804","url":null,"abstract":"The use of indigo carmine dye in the textile industry is a source of pollution for the environment. The presence of dye pollutants in the environment can threaten the health of living creatures and the sustainability of the ecosystem. This research uses kapok husk biosorbent modified with snail meat. Previously, research on adsorption was carried out on metals and cationic dyes from kapok husk, then in this research adsorption was carried out using the batch method to adsorb anionic dyes. The biosorbent modification process using snail meat aims to add active sites in the form of functional groups to the biosorbent to optimize the dye adsorption capacity. The contact objective of this research is to determine the heating time and temperature conditions for optimal adsorption of indigo carmine using the batch method. The research results showed that the adsorption capacity was at optimum conditions for the adsorption of indigo carmine at a contact time of 60 minutes and a temperature of 25°C.","PeriodicalId":505229,"journal":{"name":"ALOTROP","volume":"129 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139177731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
REVIEW ARTICLE: ANTIOXIDANT ACTIVITY IN KALAKAI (Stenochlaena palustris) 评论文章:卡拉凯草(Stenochlaena palustris)的抗氧化活性
ALOTROP Pub Date : 2023-12-15 DOI: 10.33369/alo.v7i2.29209
Efriyana Oksal, Noverda Ayuchecaria, Retno Agnestisia, Risya Ariska, Mulani Jeni Lestari Tampubolon, Sintia Ayu Dewi, Ilham Maulana, A. D. Rizkita
{"title":"REVIEW ARTICLE: ANTIOXIDANT ACTIVITY IN KALAKAI (Stenochlaena palustris)","authors":"Efriyana Oksal, Noverda Ayuchecaria, Retno Agnestisia, Risya Ariska, Mulani Jeni Lestari Tampubolon, Sintia Ayu Dewi, Ilham Maulana, A. D. Rizkita","doi":"10.33369/alo.v7i2.29209","DOIUrl":"https://doi.org/10.33369/alo.v7i2.29209","url":null,"abstract":"Kalakai (memiliki nama ilmiah Stenochlaena palustris) merupakan tanaman jenis paku yang sering digunakan masyarakat Kalimantan sebagai sayuran. Tanaman Kalakai yang banyak tumbuh di daerah rawa dataran rendah Kalimantan Tengah merupakan jenis tumbuhan paku-pakuan. Kalakai mengandung kadar mineral, vitamin C, asam folat, dan protein yang cukup tinggi jika dibandingkan dengan sayuran lokal lainnya di Palangka Raya, Kalimantan Tengah. Senyawa aktif  yang berperan sebagai antioksidan pada kalakai yakni flavonoid dan fenol. Flavonoid dan fenol berperan sebagai penangkal radikal bebas untuk mencegah penyakit yang menyerang tubuh sehingga memperkuat imun pada tubuh. Secara tradisional kalakai dikonsumsi oleh masyarakat Dayak. Artikel ini merupakan aktikel review yang menggunakan metode Study literature yang bersifat deskriptif untuk mencari informasi ilmiah ataupun penelitian yang membuktikan secara koheren terkait manfaat ataupun aplikasi dari kalakai. Kalakai yang memiliki aktivitas sebagai antioksidan memiliki manfaat bagi kesehatan seperti dapat meningkatkan kadar hemoglobin sehingga dapat mencegah anemia, memiliki sitotoksisitas pada sel MCF-7 kanker payudara dan mencegah antihiperlipidemia dengan menurunkan Low density lipoprotein (LDL).","PeriodicalId":505229,"journal":{"name":"ALOTROP","volume":"45 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139178796","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PENGEMBANGAN BRIMOLANG (APLIKASI BELAJAR GEOMETRI MOLEKUL BUDAYA PALEMBANG) UNTUK PEMBELAJARAN KIMIA DENGAN PENDEKATAN ETNOPEDAGOGI 利用民族教育法开发用于化学学习的 brimolang(巴伦邦文化分子几何学习应用程序
ALOTROP Pub Date : 2023-12-15 DOI: 10.33369/alo.v7i2.29760
S. Wijayanti
{"title":"PENGEMBANGAN BRIMOLANG (APLIKASI BELAJAR GEOMETRI MOLEKUL BUDAYA PALEMBANG) UNTUK PEMBELAJARAN KIMIA DENGAN PENDEKATAN ETNOPEDAGOGI","authors":"S. Wijayanti","doi":"10.33369/alo.v7i2.29760","DOIUrl":"https://doi.org/10.33369/alo.v7i2.29760","url":null,"abstract":"Diantara materi dalam pembelajaran kimia yang banyak terdapat konsep serta bersifat abstrak yakni bentuk molekul (Geometri Molekul). Dengan memakai pendekatan etnopedagogi, proses pembelajaran akan menjadi bermakna karena materi dikaitkan dengan produk suatu budaya yang ada di Indonesia, yakni dari daerah Palembang. Prosedur penelitian yang dipakai adalah penelitian Research and Development oleh Borg & Gall. Tahap studi pendahuluan dan pengembangan dilaksanakan pada tahun pertama penelitian ini, sedangkan tahap uji coba lapangan akan dilaksanakan pada tahun berikutnya. Kajian ini berkonsentrasi pada tahap pengembangan yang meliputi (1) Tahap Pengembangan Produk Awal berupa pembuatan tampilan mobile learning, pembuatan konten aplikasi, dan pengembangan aplikasi; (2) Tahap Uji Coba Awal (Uji Validasi Media Pembelajaran) berdasarkan ahli media, bahasa, dan materi; serta (3) Tahap Penyempurnaan Produk Awal. Dalam penelitian ini, kuesioner dipakai untuk mengumpulkan data. Temuan studi memperlihatkan bahwasanya mobile learning berbasis augmented reality menjadi nilai tambah dalam pembelajaran kimia karena sangat fleksibel dan membantu peserta didik dalam memproyeksikan pemahamannya. Selain itu, aplikasi ini bisa meningkatkan kemampuan spasial peserta didik dan mampu memasukkan analisis budaya kehidupan sehari-hari ke dalam kurikulum kimia.","PeriodicalId":505229,"journal":{"name":"ALOTROP","volume":"101 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139177519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PENGEMBANGAN MEDIA PRAKTIKUM BSD (Basic Solution Dilution) BERBASIS ANDROID MENGGUNAKAN TEKNOLOGI AI (Artificial Intelligence) PADA MATERI PENGENCERAN LARUTAN 媒体稀释 BSD(基本溶液稀释) BERBASIS ANDROID MENGUNAKAN TEKNOLOGI AI(人工智能) PADA MATERI PENGENCERAN LARUTAN
ALOTROP Pub Date : 2023-12-15 DOI: 10.33369/alo.v7i2.29958
M. Uliyandari, Ariefa Primairyani
{"title":"PENGEMBANGAN MEDIA PRAKTIKUM BSD (Basic Solution Dilution) BERBASIS ANDROID MENGGUNAKAN TEKNOLOGI AI (Artificial Intelligence) PADA MATERI PENGENCERAN LARUTAN","authors":"M. Uliyandari, Ariefa Primairyani","doi":"10.33369/alo.v7i2.29958","DOIUrl":"https://doi.org/10.33369/alo.v7i2.29958","url":null,"abstract":"The purpose of this research is to develop an Android-Based BSD (Basic Solution Dilution) practicum media using AI (Artificial Intelligence) Technology in solution dilution material. The development in this study was carried out with a 4D (four-D) define, design, develop, and disseminate. At the definition stage, the formulation of the practicum objectives is carried out, the design stage is carried out by designing the practicum media, while at the development stage the practicum media content validation is carried out by media experts and material experts, the dissemination stage is carried out via youtube. The results showed that the BSD practicum media was feasible to use, this was based on the validation results from two validators, namely material experts and media experts. The practicum media validation score by material experts is at number 69 which is in the \"Eligible\" category, while the validation results by media experts get 53 which is in the \"Eligible\" category. The results of the feasibility assessment of practicum media by students also showed results that were in the \"appropriate\" category with a conversion value of 3.94. Student learning outcomes after using the BSD practicum media also increased when viewed based on the comparison between students' pretest and psotest scores. The average pretest score of students before using BSD media was 50.76 while the average post-test score of students after using BSD media was 80.96. The results of the student's pretest and posttest gain test have a score of 0.61 with the \"Medium\" category.","PeriodicalId":505229,"journal":{"name":"ALOTROP","volume":"91 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139177368","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PENGARUH PENERAPAN MODEL PEMBELAJARAN LEARNING CYCLE 5E BERBANTUAN LDPD TERHADAP PEMAHAMAN KONSEP DAN KETERAMPILAN PROSES SAINS PADA MATERI LARUTAN PENYANGGA 在 "学习与发展 "辅助下应用 "学习循环 5e "学习模式对缓冲溶液材料的概念理解和科学过程技能的影响
ALOTROP Pub Date : 2023-12-15 DOI: 10.33369/alo.v7i2.30803
Diani Yola Lestari, Febrian Solikhin, Salastri Rohiat
{"title":"PENGARUH PENERAPAN MODEL PEMBELAJARAN LEARNING CYCLE 5E BERBANTUAN LDPD TERHADAP PEMAHAMAN KONSEP DAN KETERAMPILAN PROSES SAINS PADA MATERI LARUTAN PENYANGGA","authors":"Diani Yola Lestari, Febrian Solikhin, Salastri Rohiat","doi":"10.33369/alo.v7i2.30803","DOIUrl":"https://doi.org/10.33369/alo.v7i2.30803","url":null,"abstract":"Penelitian ini bertujuan untuk mengetahui perbedaan rata-rata yang signifikan pemahaman konsep dan keterampilan proses sains peserta didik pada materi larutan penyangga. Jenis penelitian ini adalah quasi experiment (eksperimen semu) dengan post-test only control group. Penelitian ini menggunakan dua kelas, yaitu kelas eksperimen dengan penerapan model pembelajaran learning cycle 5E dan kelas kontrol dengan perlakuan seperti biasanya. Penelitian ini dilakukan di MAN 1 Kota Bengkulu. Sampel penelitian yaitu kelas XI IPA 1 dan XI IPA 4 yang dipilih secara random. Kelas XI IPA 1 sebagai kelas eksperimen dan XI IPA 4 sebagai kelas kontrol. Instrumen penelitian pada penelitian ini yaitu lembar observasi keterampilan proses sains dan soal tes. Teknik analisis data yang digunakan adalah uji hipotesis yaitu uji-t untuk pemahaman konsep dan uji Mann-Whitney untuk keterampilan proses sains. Berdasarkan hasil uji hipotesis pemahaman konsep diperoleh nilai signifikan 2-tailed sebesar 0,008. Nilai signifikansi tersebut <0,05 sehingga disimpulkan bahwa terdapat perbedaan rata-rata yang signifikan pemahaman konsep antara kelas eksperimen dan kelas kontrol. Berdasarkan hasil uji Mann-Whitney diperoleh nilai signifikan 2-tailed 0,01 sehingga nilai signifikan tersebut <0,05. Hasil uji tersebut menunjukkan bahwa terdapat perbedaan rata-rata yang signifikan antara kelas eksperimen dan kelas kontrol terhadap keterampilan proses sains.","PeriodicalId":505229,"journal":{"name":"ALOTROP","volume":"213 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139177795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PENGEMBANGAN E-MODUL SIFAT FISIKA DAN KIMIA PERAIRAN BERBASIS RISET UNTUK MENSTIMULUS KEMAMPUAN BERPIKIR TINGKAT TINGGI MAHASISWA 开发以研究为基础的水的物理和化学性质电子模块,激发学生的高阶思维能力
ALOTROP Pub Date : 2023-12-15 DOI: 10.33369/alo.v7i2.30640
Anugra Rahma Shafira, Wiwit Alwi, Nurhamidah Nurhamidah
{"title":"PENGEMBANGAN E-MODUL SIFAT FISIKA DAN KIMIA PERAIRAN BERBASIS RISET UNTUK MENSTIMULUS KEMAMPUAN BERPIKIR TINGKAT TINGGI MAHASISWA","authors":"Anugra Rahma Shafira, Wiwit Alwi, Nurhamidah Nurhamidah","doi":"10.33369/alo.v7i2.30640","DOIUrl":"https://doi.org/10.33369/alo.v7i2.30640","url":null,"abstract":"Penelitian ini merupakan pengembangan e-Modul sifat fisika dan kimia perairan berbasis riset yang bertujuan untuk mengetahui tingkat kelayakan dan respons mahasiswa terhadap e-Modul yang dikembangkan. E-modul ini menggunakan model pengembangan ADDIE yang dibatasi sampai tahap pengembangan (development). Penelitian dilakukan di Program Studi Pendidikan Kimia Universitas Bengkulu dengan subjek penelitian yaitu 37 mahasiswa yang telah mengambil mata kuliah Kimia Lingkungan pada Tahun Akademik 2022/2023. Dari hasil penelitian diperoleh (1) tingkat kelayakan e-Modul pada aspek materi yaitu 91,4% sedangkan dari aspek media yaitu 91,1% sehingga berdasarkan hasil validasi oleh validator e-Modul dinyatakan sangat layak, (2) berdasarkan hasil uji respons mahasiswa yaitu 87,2% berada pada kategori sangat baik. Kemampuan e-Modul dalam menstimulus kemampuan berpikir tingkat tinggi mahasiswa dinyatakan sangat baik berdasarkan hasil uji validasi dan respons mahasiswa terkait e-Modul yang dikembangkan pada aspek materi yang berkaitan dengan stimulus, kegiatan pembelajaran, evaluasi, serta uji kompetensi yang disajikan dalam e-Modul. Dari hasil yang didapatkan, maka diketahui bahwa e-Modul yang dikembangkan layak digunakan dan diujicobakan dalam perkuliahan.","PeriodicalId":505229,"journal":{"name":"ALOTROP","volume":"14 12","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139178701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PENINGKATAN KUALITAS PEMBELAJARAN PADA POKOK BAHASAN ANALISIS MOLEKUL MENGGUNAKAN INFRA MERAH (IR) DAN NUCLEAR MAGNETIK RESONANCE (NMR) MELALUI PEMANFAATAN PROGRAM HYPERCHEM DAN CHEMOFFICE 通过使用 hyperchem 和 chemoffice 程序,提高利用红外线(IR)和核磁共振(NMR)进行分子分析的学习质量
ALOTROP Pub Date : 2023-12-15 DOI: 10.33369/alo.v7i2.30663
I Nyoman Candra, Nurhamidah
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