AbstrakProblem solving adalah metode belajar di mana siswa dilatih memiliki kemampuan merumuskan permasalahan yang kompleks dan membuat sejumlah solusi untuk kemudian merefleksikan solusi tersebut dari berbagai sudut pandang. Sintak dari Problem Solving adalah (1) pendidikan dan peserta didik menyusun permasalahan sebagai bahan belajar, (2) pendidik menjelaskan kegiatan yang akan dilakukan oleh peserta didik, (3) peserta didik baik secara individu/kelompok mendapat sebuah bahan pemecahan masalah yang sama, (4) pada ahir kegiatan belajar pendidik/peserta ditunjuk menyimpulkan dan (5) pendidik dan peserta didik melakukan evaluasi proses dan hasil. Jurnal yang mendukung berjudul Penerapan Metode Pembelajaran Problem Solving Model Polya Untuk Meningkatkan Kemampuan Memecahkan Masalah. Tree Diagram(diagram pohon) adalah sebuah tipe diagram secara spesifik yang memiliki topologi network (hubungan) yang unik. (1) masalah utama dijabarkan ke dalam masalah yang lebih kecil, (2) masalah yang sudah dijabarkan itu kemudian dijabarkan lagi ke masalah yang lebih kecil, (3) mengadakan identifikasi jaringan hubungan komponen-komponen yang ada. Dukungan peneliti berjudul Aplikasi Network Pohon Dalam Tree Diagram. Pokok bahasan materi karena keanekaragaman hayati merupakan prinsip klasifikasi dan siswa dapat menafsirkan dan merupakan kompetensi yang terkait dengan KPS. Keanekaragaman hayati mempunyai nilai rendah 49,72. Melalui Problem Solving dan Diagram Pohon diharapkan dapat mendorong kemampuan berfikir logis dan kemampuan menafsirkan. Kesimpulan dari Problem Solving dan Diagram Pohon diharapkan dapat diterapkan dalam pembelajaran terutama pada materi keanekaragaman hayati untuk dapat meningkatkan kemampuan berfikir logis dan kemampuan menafsirkan. Saran perlu dilaksanakan penelitian tentang penggunaan model Problem Solving dan tehnik Diagram Pohon untuk memberdayakan berfikir logis dan menafsirkan. AbstractProblem solving is a learning method in which students are trained to have the ability to form complex problems and make a number of solutions to then reflect on these solutions from various perspectives. The syntax of Problem Solving is (1) education and students develop problems as learning material, (2) educators explain the activities to be carried out by students, (3) students either individually / in groups receive a problem solving material, ( 4) at the end of the learning activity the educator / participant is appointed to conclude and (5) the educator and the students evaluate the process and results. Supporting journals entitled Application of Learning Methods Problem Solving Polya Model to Improve Problem Solving Ability. Tree Diagram (tree diagram) is a specific type of diagram that has a unique network topology (relationship). (1) the main problem is translated into a smaller problem, (2) the problem that has been described is then elaborated into a smaller problem, (3) establishing a network identification of the relationships of existing components. The support of the researcher is titled the Tree Network Appl...
This research aims to develop a Problem-based Learning Module for Hydrolysis Material considering the characteristics, feasibility, and effectiveness to accommodate gifted students. The tests were conducted to material experts, media experts, and students. The model used as the basis for the development of Problem-Based Learning (PBL) chemistry module is the 4-D model (Define, Design, Development and Disseminate). Data analysis techniques are observation and questionnaire. Based on the test, it shows that the Problem-based Learning Module received a good category and is worth it to use. Cognitive learning outcomes of students in the experimental class after using the Problem-Based Learning Module is better than the control class that uses conventional learning. It can be seen from the comparison of the average score of improvement in the learning outcomes of experimental class students who use Problem-Based Learning modules. So, it can be concluded that the learning outcomes using the Problem-Based Learning chemistry learning module are better than conventional learning.
ABSTRAK Nata adalah bahan menyerupai gel (agar- agar) yang terapung pada medium yang mengandung gula dan asam hasil bentukan mikroorganisme Acetobacter xylinum. Nata pada dasarnya merupakan selulosa. Apabila dilihat dibawah mikroskop akan tampak sebagai suatu massa fibril tidak beraturan yang menyerupai benang atau kapas. Untuk memperoleh hasil yang baik, media harus disesuaikan dengan syarat tumbuh bakteri tersebut. Untuk menghasilkan nata dengan produksi dan kualitas yang tinggi, sifat fisik-kimia media harus sesuai dengan syarat tumbuh dari bakteri A.xylinum. Nata de coco tanpa ZA dengan lama fermentasi 10 hari memberikan yield paling baik dengan ketebalan 1,1 cm dan berat 600 gram. Sedangkan pada nata de tomato dengan ZA memberikan yiels terbaik dengan ketebalan0,5 cm pada lama fermentasi 10 hari.Hal inimenunjukkan bahwa ketebalan nata de coco dengan nata de tomato berbeda. Hal inidipengaruhi oleh variasi substrat dan komposisi bahan. Pada nata de tomato, ekstrak nata tomato dicampurkan dengan air dengan perbandingan 1:4. Kemungkinan hal inilah yang menyebabkan yield nata de tomato dan coco berbeda. Kandungan nutient atau glukosa pada sari buah tomat lebih sedikit dibandingkan dengan kandungan glukosa pada nata de coco. Hasil uji organoleptik menyimpulkan bahwa : 1) Panelis lebih menyukai nata dengan tekstur kenyal yang diperolehdari nata decoco pada hari ke-10, 2) Panelis lebih menyukai nata de coco maupun tomatodengan aroma tidak asamkarena pada saat dipanen, nata dicuci lalu direbus selama 20 menit pada suhu 100°C sehingga aroma asam pada natahilang pada saat pencucian danperebusan.3) Panelis lebih menyukai natadengan rasa enak karena perbedaan lama fermentasi menghasilkan citarasa nata enak yang relatif sama.Kata kunci : nata de tomato, nata de coco, lama fermentasi. ABSTRACTNata is a gel-like material (gelatin) floating on a medium containing sugar and acid formed by microorganisms Acetobacter xylinum. Nata is basically cellulose. When seen under a microscope it will appear as an irregular fibril mass that resembles thread or cotton. To get good results, the media must be adjusted to the conditions for the growth of these bacteria. To produce nata with high production and quality, the physical-chemical properties of the media must comply with the growing requirements of A.xylinum bacteria. Nata de coco without ZA with 10 days fermentation gives the best yield with a thickness of 1.1 cm and weighs 600 grams. While in tomato with ZA, the best yiels were 0.5 cm thick at 10 days fermentation time. This shows that the thickness of nata de coco with tomatoes is different. This is influenced by variations in substrate and material composition. In nata de tomato, nata tomato extract is mixed with water in a ratio of 1: 4. This is probably the reason why the yield of tomato and coco is different. Nutient or glucose content in tomato juice is less than the glucose content in nata de coco. The organoleptic test results concluded that: 1) Panelists preferred nata with chewy texture obtained from the nata decoco on the 10th day, 2) Panelists preferred nata de coco and tomatoes with non-sour aroma because when harvested, the nata was washed and boiled for 20 minutes at 100 ° C so that the aroma of acid in the nata disappears during washing and boiling. 3) Panelists prefer nata with good taste because the differences in fermentation time produce relatively similar tastes of nata.Key words: nata de coco, nata de tomato, fermentation time
This study aimed to look at the inventory of freshwater fish species in the Batang Muar River, Serami Baru Village, Mukomuko Regency, Bengkulu. This study uses an exploratory descriptive research method by using a survey technique conducted by determining the point of observation. Determination of the location of the research is done by the method of purposive sampling. The samples obtained were grouped based on the same morphological characteristics and the number of each type was counted. Based on the results of the research, the results of the inventory of freshwater fish species in the Batang Muar River found 9 species consist of Oxyeleotris marmota, Angulia marmorata, Monopterus albus, Tor putitora, Labiobarbus leptocheilus, Mystacoleucus padanggensis, Osteochiolus vittatus, Chana striata and Schismatgobius ridawatiae.
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