Era digital pada saat ini berpengaruh pada pendidikan. Pendidikan dengan memanfaatkan teknologi akan mempermudah proses pembelajaran. Media video dalam pembelajaran akan membantu guru untuk memudahkan menyampaikan materi dan menciptakan situasi pembelajar yang tidak monoton, serta akan membantu memudahkan peserta didik untuk memahami materi. Tujuan pengembangan ini adalah menghasilkan produk Media Video Pembelajaran IPA Tentang Sifat dan Perubahan Wujud Benda pada siswa Kelas IV di SDN Merjosari 5 Malang yang valid dan efektif.Pengembangan ini telah melalui tahap identifikasi kebutuhan, perumusan tujuan pembelajaran, pengembangan materi, pegembangan alat evaluasi, penulisan naskah, produksi media, menyusun petunjuk pemanfatan, validasi/ tes, dan revisi sesuai dengan model pengembangan Sadiman (2010). Validasi produk dilakukan terhadap ahli media dan juga ahli materi. Sasaran uji coba media ini yaitu seluruh siswa kelas IV di SDN Merjosari 5 Malang. Berdasarkan uji coba validasi yang dilakukan terhadap ahli media, ahli materi, dan siswa dapat disimpulkan bahwa media video yang telah dikembangkan termasuk kategori valid. Selain itu berdasarkan tesbelajar terhadap siswa dapat disimpulkan bahwa media yang dikembangkan termasuk kategori efektif. Sehingga media video pembelajaranyang telah dikembangkan ini dikategorikan valid dan efektif untuk dapat digunakan pada kegiatan pembelajaran.
This article is written to 1) See description of verbal interpersonal communication educators towards learners in the teaching and learning process in early childhood education, 2) see how the image of non-verbal interpersonal communication educators towards learners in the teaching and learning process in early childhood education. The research was conducted in PAUD Kecamatan Padang Barat the number of educators 34. Data collection techniques used were observation, data analysis techniques using a percentage formula. The results illustrate that 1) interpersonal communication is verbal communication is going well as aspects of language educators have used with good speech, educators using the polite speech, speech educators using the easy to understand the child, 2) nonverbal communication used by teachers in implement teaching and learning is going well dilhat of aspects of facial expressions educators looked at the kid in the face is good enough.
Today the need for housing (home) is increasing. Touch of beauty and support in terms of security are widely used in the construction of the house, one of the trellis. One of the production processes in processing iron trellis is the process of forming spiral iron trellis models of a certain size, in the process special machines are needed that can alleviate, simplify, and accelerate human work. This process is also called cold work because without the heat treatment process. The specifications of the trellis iron torsion machine are 1500x500x800 mm. This machine has several driving units, namely: Motor as a driver, and reducer to reduce the rotation of the shaft on the swivel chuck, and use belt transmission and chains. From the calculation and design of the engine, the motor power of ½ Hp is obtained, the production capacity is 10x10x1000 mm, the shaft diameter is 25.4 mm. The production time of this machine is 7 times / workpiece or ± 2 minutes / Pcs or 29 to 30 Pcs / hour. This trellis iron torsion machine works well and gets a better and stronger spiral model iron box. The components contained in this machine include: Electric motors, pulleys, belts, frames, sprocket, chains, chucks, bearings and speed reducers.
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