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PENGEMBANGAN PERANGKAT ASESMEN PRAKTIKUM DASAR-DASAR KIMIA ANALITIK BERBASIS KETERAMPILAN PROSES SAINS JURUSAN KIMIA UIN ALAUDDIN MAKASSAR Nirmala, Wa; ., Ramlawati
Chemistry Education Review (CER) Volume 1 Nomor 2 Maret 2018
Publisher : Program Pasca Sarjana UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (305.052 KB) | DOI: 10.26858/cer.v0i1.5617

Abstract

Ketercapaian tujuan pembelajaran dapat diukur dengan menggunakan asesmen pembelajaran. Dalam pembelajaran sains (praktikum) dibutuhkan asesmen yang baik dan terencana untuk menilai proses maupun hasil belajar mahasiswa. Oleh karena itu, dibutuhkan asesmen praktikum berbasis Keterampilan Proses Sains yang dapat mengukur aspek kognitif, psikomotorik dan sikap mahasiswa. Tujuan penelitian ini adalah mengembangkan dan memperoleh perangkat asesmen praktikum Dasar-Dasar Kimia Analitik berbasis Keterampilan Proses Sains (KPS) yang valid, relibel dan praktis. Jenis penelitian ini adalah penelitian pengembangan (Development Research) dengan menggunakan model pengembangan Plomp. Penelitian ini dilaksanakan di Laboratorium Kimia Fakultas SAINTEK UIN Alauddin Makassar dengan subjek penelitian adalah mahasiswa semester tiga sebanyak 42 orang. Teknik pengumpulan data melalui: 1) wawancara bebas; 2) pengamatan (observasi) dan asesmen langsung terhadap rancangan perangkat asesmen praktikum berbasis KPS; 3) dokumentasi dan 4) penyebaran angket dan lembar keterlaksanaan perangkat. Teknik analisis data dengan menggunakan analisis validasi ahli, analisis reliabilitas dan kepraktisan. Hasil penelitian yang diperoleh bahwa pengembangan dilakukan dalam lima tahap yaitu investigasi awal; perancangan; realisasi; tes, evaluasi dan revisi; dan implementasi serta perangkat asesmen praktikum berbasis KPS yang dikembangkan bersifat valid, reliabel dan praktis Kata kunci: pengembangan plomp, asesmen praktikum, keterampilan proses sains.
Efektivitas Ekstrak Alga Coklat Padina australis dalam Menghambat Pertumbuhan Bacillus cereus dan Escherichia coli Sampulawa, Sriyati; Ode, Asmi; Hulopi, Fauzia; Nirmala, Wa; Bahalwan, Farida; Darmawati, Siti
Bioscientist : Jurnal Ilmiah Biologi Vol 12, No 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.13225

Abstract

This study aims to determine the effectiveness of the brown algae extract Padina australis in inhibiting the growth of Bacillus cereus and Eschericia coli bacteria. Samples were taken from the waters of Osi Island, West Seram, Maluku Province as much as 1 kg, the sample was then dried using the sundrying method. The dried sample was then soaked for 24 hours and extracted. The extract results were then tested for phytochemicals and antibacterial activity tests carried out in the Microbiology Laboratory of Pattimura University, Ambon. The results showed that (1) The brown algae extract Padina australis contains secondary metabolites in the form of flavonoids, terpenoids, steroids, saponins and alkaloids; (2) The combination of these various compounds provides a synergistic effect that can increase the effectiveness of antimicrobials in inhibiting the growth of Bacillus cereus and Escherichia coli bacteria; (3) The minimum inhibitory concentration (MIC) of Padina australis algae extract has different abilities in inhibiting test bacteria. The MIC of Bacillus cereus bacteria at a concentration of 10% has an inhibition zone of 7 mm and the MIC of Escherichia coli bacteria at a concentration of 60% has an inhibition zone of 11 mm.
Efektivitas Ekstrak Alga Coklat Padina australis dalam Menghambat Pertumbuhan Bacillus cereus dan Escherichia coli Sampulawa, Sriyati; Ode, Asmi; Hulopi, Fauzia; Nirmala, Wa; Bahalwan, Farida; Darmawati, Siti
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.13225

Abstract

This study aims to determine the effectiveness of the brown algae extract Padina australis in inhibiting the growth of Bacillus cereus and Eschericia coli bacteria. Samples were taken from the waters of Osi Island, West Seram, Maluku Province as much as 1 kg, the sample was then dried using the sundrying method. The dried sample was then soaked for 24 hours and extracted. The extract results were then tested for phytochemicals and antibacterial activity tests carried out in the Microbiology Laboratory of Pattimura University, Ambon. The results showed that (1) The brown algae extract Padina australis contains secondary metabolites in the form of flavonoids, terpenoids, steroids, saponins and alkaloids; (2) The combination of these various compounds provides a synergistic effect that can increase the effectiveness of antimicrobials in inhibiting the growth of Bacillus cereus and Escherichia coli bacteria; (3) The minimum inhibitory concentration (MIC) of Padina australis algae extract has different abilities in inhibiting test bacteria. The MIC of Bacillus cereus bacteria at a concentration of 10% has an inhibition zone of 7 mm and the MIC of Escherichia coli bacteria at a concentration of 60% has an inhibition zone of 11 mm.
Improving Teacher Digitalization Skills Through Training and Assistance in Creating Virtual Laboratories Assisted by Macromedia Flash to Support the Independent Curriculum: Peningkatan Keterampilan Digitalisasi Guru Melalui Pelatihan dan Pendampingan Pembuatan Laboratorium Virtual Berbantuan Macromedia Flash untuk Mendukung Kurikulum Merdeka Nirmala, Wa; Bahalwan, Farida; Kasliyanto, Kasliyanto; Hulopi, Fauzia; Kolengsusu, Haris
Mattawang: Jurnal Pengabdian Masyarakat Vol. 4 No. 3 (2023)
Publisher : Yayasan Ahmar Cendekia Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.mattawang2091

Abstract

Merdeka Belajar is an Indonesian government program that aims to improve the quality of education in Indonesia which has the main pillars, namely strengthening literacy, one of which is digital literacy and increasing teacher competence in using technology. Therefore, teachers need to develop and apply technology to conduct school learning. Lack of understanding in using technology is a problem for teachers at SMA Negeri 62 Central Maluku, becoming a significant challenge in efforts to improve the quality of learning at the school. To enhance the quality of learning in schools, especially in science learning, namely by carrying out virtual or digital-based learning activities, one of which is a virtual laboratory. Service activities aim to improve teachers' digitalization skills, supporting the Merdeka curriculum. The activity method is in the form of training and assistance in creating a virtual laboratory, which includes several stages, namely: preparation stage, team coaching stage, training and mentoring stage, and evaluation stage. Based on the pre-test and post-test, digitalization skills/skills in using Macromedia Flash increased by 86%. This can be seen from the very satisfying results of the learning media produced. With limited time, participants could produce simple virtual laboratory learning media with the help of Macromedia Flash. Abstrak Merdeka Belajar adalah program pemerintah Indonesia yang bertujuan untuk meningkatkan mutu pendidikan di Indonesia yang memiliki pilar utama yaitu penguatan literasi salah satunya literasi digital dan peningkatan kompetensi guru dalam penggunaan teknologi. Oleh sebab itu, guru perlu mengembangkan dan menerapkan teknologi dalam melakukan pembelajaran disekolah. Kurangnnya pemahaman dalam menggunakan teknologi merupakan permasalahan guru-guru di SMA Negeri 62 Maluku Tengah menjadi sebuah tantangan yang signifikan dalam upaya meningkatkan kualitas pembelajaran di sekolah tersebut. Untuk meningkatkan kualitas pembelajaran di sekolah khususnya pada pembelajaran IPA yaitu dengan melakukan kegiatan pembelajaran secara virtual atau berbasis digital salah satunya adalah laboratorium virtual. Tujuan kegiatan pengabdian adalah meningkatkan keterampilan digitalisasi guru dalam mendukung kurikulum Merdeka. Metode kegiatan berupa pelatihan dan pendampingan pembuatan laboratorium virtual yang meliputi beberapa tahap yaitu: tahap persiapan, tahap coaching tim, tahap pelatihan dan pendampingan, tahap evaluasi. Berdasarkan pree test dan post test, keterampilan digitalisasi/keterampilan penggunaan macromedia flash meningkat sebesar 86%. Hal ini dapat dilihat dari hasil media pembelajaran yang dihasilkan sangat memuaskan. Dengan waktu yang terbatas, peserta mampu menghasilkan media pembelajaran laboratorium virtual berbantuan macromedia flash yang sederhana.