This research was the analysis phase of the first step in the research on the development of an integrated augmented reality e-module. The purpose of this study was to analyze the needs of students and to find out the responses of students and teachers if an integrated augmented reality e-module was developed in science learning. The method used in this analytical research was a survey method using questionnaires and interviews. Respondents were 32 junior high school students and 17 science teachers in Riau Province. Based on the result of data analysis, it was known that 56.3% of students consider the subject of particles, atoms, ions, molecules as difficult subjects because they were abstract and used many terms. Meanwhile, the result of interviews with science teachers showed that respondents only used government books as a source of student learning. The survey results showed 81.3% of students need learning resources in the form of e-modules that could be accessed from their Android so that it helped understand abstract concepts. Teachers who are willing to implement augmented reality integrated e-modules reached 100%. In conclusion, this analytical research needs to be continued to the design, development, implementation and evaluation stages based on research and development procedures, using the ADDIE model to develop an augmented reality integrated e-module about particles in science learning.
Riyanti I, Putri WAE, Ulqodry TZ, Santeri T. 2019. Accumulation of heavy metal Zn and Pb in sediment, root and leaves of mangrove Avicennia alba in Payung Island, South Sumatra. Jurnal Lahan Suboptimal: Journal of Suboptimal Lands. 8(2):141-147. Various industrial activities or natural activity in the Musi River, might contribute to the heavy metals input in mangrove area of Payung Island. The purpose of this study was to analyze the concentration of heavy metals zinc (Zn) and lead (Pb) in sediment, root and leaves of mangrove A. alba. This research was conducted in January 2018. Analysis of heavy metal used Atomic Absorption Spectrophotometry (AAS). The results indicated that Zn concentration of sediment (13.35-22.61 mg/kg) and Pb (0.14-3.17 mg/kg), was still in quality standard level. Zn concentration in roots was 0.45-4.95 mg/kg and in leaf was Zn 2.46-12.76 mg/kg, while Pb on root and leaves was not detected. The value of BCF roots, leaf BCF and TF values were 0.15-0.24 ; 0.30-0.59 ; and 1.69-2.47, respectively. The results of this study indicated that mangrove A. alba in Payung Island as moderate accumulator plants category, and plants could transmit heavy metals effectively.
Penelitian ini berfokus pada penerapan metode pembelajaran Calistung dalam meningkatkan perkembangan berbahasa Anak Usia Dini 5–6 tahun di RA Al-Annur Permata Kelurahan Eka Jaya Kecamatan Palmerah Kota Jambi. Masalah utama penelitian ini adalah mengapa Metode membaca, menulis, menghitung (Calistung) di RA Al-Annur Permata Kota Jambi dalam peningkatan perkembangan bahasa anak usia dini di RA Al-Annur Permata Kota Jambi belum optimal, dengan indikator belum kreatifnya guru dalam melaksanakan proses pembelajaran. Penelitian ini merupakan penelitian kualitatif diskriptif dengan pendekatan teknik purposive sampling. Temuan penelitian menunjukkan bahwa RA Al-Annur Permata telah menerapkan beberapa metode Calistung dalam pembelajarannya. Penerapan pembelajaran Calistung melalui bermain bagi anak memang sangat diperlukan selain membuat pembelajaran menarik tidak monoton pembelajaran media juga membuat anak lebih mudah mengerti karena menggunakan konsep yang konkret. Metode Calistung yang dijalankan RA. Al-Annur Permata media mempunyai peran penting dalam menyampaikan pembelajaran kepada anak. Kendala penerapan pembelajaran Calistung anak usia dini di Kelas B RA Al-Annur Permata adalah kompetensi guru yang terbatas dan APE-nya yang kurang memadai serta tidak sesuai dengan usia anak.
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