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All Journal Indo-MathEdu Intellectuals Journal PRIMER: Jurnal Ilmiah Multidisiplin
Sry Astuti
Universitas Syekh Yusuf Al Makassari Gowa
Religion Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Law, Crime, Criminology & Criminal Justice Mathematics

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Analisis Miskonsepsi Siswa XI MIA 1 SMA Negeri 1 Pangkajene pada Materi Pokok Hidrokarbon Reny Reny; Sry Astuti; Ayu Rahayu
Indo-MathEdu Intellectuals Journal Vol. 4 No. 2 (2023): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v4i2.374

Abstract

This descriptive research aims to analyze the student’s misconceptions on hydrocarbon subject that have been learned by STAD Type of Cooperative Learning Model. The subjects in research are 31 students of SMA Negeri 1 Pangkajene class XI MIA 1. The data was collected by 7 items essay test and intensified by interviews. The data was analyzed by descriptive statistic method to obtain percentage of the misconseption. The result of this research shows that student’s misconception is low category, 17% in determining C atom of primary, secondary, tertiary, and quaternary. In naming of alkanes, alkenes, and alkyne’s structure, is low category, average 24,5%. In understanding addition and subtitusi reaction of hydrocarbon is low category, 22,4%.  And low category, average 21,3% on misconception of hydrocarbon in generallydisciplining teachers and motivating them to comply with the foundation's policies is a problem that must be immediately found a solution. This research uses a qualitative approach, data sources obtained through interviews through zoom applications, documentation, and observation. This article found that PAUD al Ashriyyah Principal Nurul Iman in improving teacher discipline used autocratic style to be the dominant style, not seen other styles played by principals in the leadership model. The principal in improving the work discipline of his teachers does not always run smoothly, the obstacles and obstacles
EKSTRAKSI DAN ANALISIS MINYAK ATSIRI PADA UMBI RUMPUT TEKI (Cyperus Rotundus Linn) SERTA UJI BIOAKTIFITAS TERHADAP BAKTERI Staphylococcus Aureus Sry Astuti; Reny Reny
PRIMER : Jurnal Ilmiah Multidisiplin Vol. 1 No. 6 (2023): PRIMER : Jurnal Ilmiah Multidisiplin, Desember 2023
Publisher : LPPM Institut Teknologi Dan Kesehatan Aspirasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/primer.v1i6.235

Abstract

Penelitian ini dilakukan untuk menganalisis kandungan kimia minyak atsiri umbi rumput teki (Cyperus rotundus Linn) dan uji bioaktifitas terhadap bakteri Staphylococcus aureus. Minyak atsiri umbi rumput teki diperoleh dengan metode ekstraksi pelarut dan uji sifat bioaktifnya terhadap bakteri Staphylococcus aureus dengan metode difusi cara Kirby-Bauer. Penelitian ini berlangsung dalam beberapa tahap yaitu preparasi sampel, ekstraksi minyak atsiri, uji sifat fisika minyak atsiri dan uji bioaktifitas terhadap bakteri Staphylococcus aureus. Hasil penelitian menunjukkan bahwa minyak atsiri yang dihasilkan, berwarna kuning mengandung senyawa golongan terpenoid yang positif terhadap pereaksi Libermann-Burchard, nilai indeks bias sebesar 1,478 dan rendemen sebesar 0,33%. Hasil uji bioaktivitas terhadap Staphylococcus aureus mempunyai potensi bioaktif dengan DDH sebesar 14,3 mm.
Co-Authors Ayu Rahayu Reny Reny Reny Reny