Subjek penelitian ini adalah dosen kimia Universitas Negeri Padang, guru kimia SMAN 8 Padang, dan siswa kelas XI IPA SMAN 8 Padang. Jenis penelitian yang dilakukan adalah Research and Development (R&D) dengan model pengembangan Plomp. Penelitian ini bertujuan untuk mengembangkan dan mengungkap tingkat validitas dan kepraktisan sistem pembelajaran flipped classroom berbasis inkuiri terbimbing pada materi Termokimia di SMA. Untuk menghadapi perubahan itu, maka guru perlu mempersiapkan bahan ajar agar bisa digunakan dalam pembelajaran online. Mewabahnya virus Covid-19 menyebabkan terjadinya perubahan yang signifikan terhadap banyak aspek pada pendidikan, termasuk Indonesia. Saat ini dunia telah memasuki era revolusi industri generasi 4.0 yang ditandai dengan meningkatnya konektivitas, interaksi serta perkembangan sistem digital, kecerdasan artifisial, dan virtual. With the mobile application with an interactive and flexible user interface, it is observed that many video conferencing activities are carried out quickly and successfully between users. The developed mobile application is designed with the Jitsi Meet infrastructure, which is an open source platform. In this study, an Android operating system-based mobile application is developed to organize communication over the internet, meeting, audio call, video conference-based broadcasting, cloud-based instant messaging and mutual meetings. Especially in recent years, with the effect of the global Covid-19 epidemic, the remote implementation of processes such as education, meetings, conferences with audio and video support has greatly increased the use and need for these systems, which are predominantly mobile and web-based. In addition, thanks to these current technologies, various communication activities such as business meetings, seminars, conferences, voice calls, instant messaging can be carried out. These systems provide live video connection for purposes such as creating communication and interaction between people regardless of location. Video conferencing systems are common communication tools used to transfer video, images and audio over the internet.
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