You likely are familiar with the hundreds of amazing presentations on TED.com about most anything you can think of.
You may not also be familiar with TedX.com talks that are organized by private groups and are focused on particular topics; Also Amazing.

You likely do not know their are talks by and for teen interests. These are exceptional people with high level interests.
And you also likely do not not know about TED talks by about topics that kids think about.
The teen and kids videos are inspirational role models to any young people watching them, and their families too.

Web Search: TED talks by teens / TEDx talks by teens / TED talks by kids / TEDx talks by kids These are excellent screen time options.

One of the most watched of the TED talks by kids videos is by Molly Wright. It now has over 7 million views!! 7:42 minutes
Check it out at https://www.youtube.com/watch?v=aISXCw0Pi94