ABSTRAKTujuan dari penelitian ini adalah untuk mengidentifikasi miskonsepsi siswa dengan analisis menggambar. Tiga puluh empat siswa di kelas 8 di sekolah menengah pertama digunakan sebagai subyek dalam penelitian ini. Teknik sampel menggunakan teknik purposive sampling. Data yang diperlukan untuk penelitian ini dikumpulkan melalui kuesioner, menggambar analisis rubrik, dan wawancara. Identifikasi Kesalahpahaman ditentukan dengan menggambar siswa berdasarkan menggambar kriteria klasifikasi oleh Kose (2008). Siswa diperintahkan untuk menarik tentang konsep fotosintesis setelah proses pembelajaran. Gambar siswa dianalisis dengan rubrik dan setelah itu mereka diwawancarai. Hasil penelitian menunjukkan tidak semua tingkat kriteria menggambar dari tingkat 1 sampai 5 diidentifikasi. Dari hasil analisa, gambar paling banyak ditemukan adalah pada tingkat 4. Gambar pada tingkat 4 dikategorikan sebagai gambar lengkap konsep fotosintesis dan tidak ada kesalahpahaman ditemukan. Berdasarkan gambar mereka, ada siswa 2,9% diidentifikasi yang diselenggarakan kesalahpahaman. Ada perbedaan jumlah siswa yang diadakan kesalahpahaman antara gambar hasil analisis dan hasil wawancara. Dari hasil wawancara, ada siswa 35,2% dimiliki kesalahpahaman, lebih dari menggambar hasil analisis. Ini berarti bahwa identifikasi kesalahpahaman melalui analisis gambar tidak efektif. Kesalahpahaman siswa yang paling sering terjadi pada konsep fotosintesis adalah tempat berlangsungnya fotosintesis. Faktor yang membuat kesalahpahaman siswa yaitu karena siswa itu sendiri dan lingkungannya. Kata Kunci: fotosintesis, kesalahpahaman, konsep, menggambar analisis ABSTRACTThe aim of this study was to identify students' misconception by drawing analysis. Thirty-four students on 8 th grade at junior high school were used as subject in this study. The sample technique was used purposive sampling technique. Data required for this study were collected through questionnaire, drawing analysis rubric, and interview. Misconception identification was determined by students' drawing based on drawing classification criteria by Kose. Students were ordered to draw about photosynthesis concept after learning process. Students' drawings were analyzed by rubric and after that they were interviewed. The result showed not all criteria level of drawing from 1 st level until 5 th was identified. From the analysis result, the drawing most found was on 4 th level. The drawing on 4 th level was categorized as incomplete drawing of photosynthesis concept and no misconception found. Based on their drawing, there were 2,9% students identified which held misconception. There was difference amount of students which held misconception between drawings analysis result and interview result. From the interview result, there were 35,2% students held a misconception, more than drawing analysis result. It means that identification misconception through drawing analysis was not effective. The most students' misconception on photosynthesis concept was the location of photosynthesis occurred. Facto...
Walik chicken having curly body feathers (frizzle). Adult Walik chickens are quite resistant to weather changes. However, Walik chickens have a rather limited population, existing only in certain regions, and are, therefore, rare local chickens that need to be further explored (Sartika et al., 2016). In addition to local chickens, Kampung Unggul Balitbangtan (KUB) chickens, which are the result of six generations of selection using female
Tilapia (Oreochromis niloticus) production in Indonesia for 5 (five) years has increased by 18%. Increased production of tilapia (Oreochromis niloticus) will result in an increase in fish waste and by-products, such as viscera, skin, bones, and scales. This waste can have an impact on environmental, health, social, and economic problems if not appropriately managed. Hydrolysis technology can turn viscera tilapia waste into more useful hydrolysate. This article aims to obtain a profile of the potential hydrolysates of tilapia viscera as an anti-inflammatory by bioinformatics analysis. The material used in this study was tilapia viscera waste. The waste is then hydrolyzed with alcalase enzyme to produce hydrolysate. LC-HRMS screening shows that there are 99 compounds and eight peptides. PASS analysis is used to predict the potential for biological activity. Most of the total hydrolysate content of tilapia viscera waste has potential biological activity as an anti-inflammatory. These results indicate that tilapia viscera waste hydrolysate has the potential as an anti-inflammatory.
This study aims to determine the effect of the Argument-Driven Inquiry (ADI) learning model application on the concepts mastery and argumentation skills of high school students on reproductive system material. The research method used quasi-experimental and non-equivalent control group design. The sample of this research were second-grade high school MIPA students in one of the public high schools in Bandung, which consists of 30 students in the experimental class and 33 students in the control class. The sample was taken by using the purposive sampling technique. The instruments used consisted of a concept mastery test in the form of multiple choices, an argumentation ability test in the form of an essay, and questionnaire of students’ responses to the ADI model. The results showed that the application of the ADI learning model significantly affected the students' concepts mastery on reproductive system material in the experimental class compared to the control class, especially in the cognitive aspects of C3 (applying). The results also show that the application of the ADI learning model significantly affects the ability of argumentation, especially on the warrant component. Student response data shows that students respond very well to the application of the ADI learning model. Therefore, the ADI learning model is recommended for biology teachers to improve students’ concepts mastery mastery and argumentation skills in other biological materials.
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