TED-Ed has a mission to create educational videos that are worth sharing. Each video takes a teacher's lesson and animates it to make it easier to consume. Their content is varied and can be found in bite-sized videos, quizzes, guided discussions, and additional resources.
This channel is a great resource for kids in middle school and above, offering videos and playlists on topics such as Physics, Philosophy, Games, Economics, U.S. Government and Politics, Astronomy, Anatomy & Physiology, World History, Biology, Literature, Ecology, Chemistry, Psychology, Sociology, Film History, Computer Science, Mythology, and more.
5-Minute Crafts Kids is a great channel for crafting projects, DIY tips, and life hacks for kids.
Youtube channels for kids can be found by searching for specific topics and checking out the rest of the channel. Swipe up to read more on Educational Youtube Channels For Kids