This is one of the gifted science teachers who shares highly educational videos showing students and learners how to integrate science into day to day life.
As its name suggests, this is one of the most reputed YouTube Channels with more than 9 million videos on science and a growing base of thousands of subscribers. I am pretty sure science teachers can find anything they look for in their playlists.
This is another distinguished science resource where students can get to know the underpinnings of science is such an interestingly funny way.
This is the official YouTube channel of NASA. It features videos about scientific discovery, space exploration and aeronautics research.
This channels features the periodic table of elements for all things chemistry.
This one here provides videos and cool science experiments from Steve Sprangler.
Here you can find a wide range of science videos covering different topics.