SciShow Kids
Could I Dig a Hole Through the Earth?
Why can't we dig through to the other side of the Earth? There are many layers and lots of heat, so the job is impossible. Watch a video that describes and explains each layer of the Earth.
Kurzgesagt – In a Nutshell
How Small Is An Atom? Spoiler: Very Small
The hydrogen in your body is exactly the same as the hydrogen in the sun. The video explains just how small an atom is and offers comparisons, such as the one above, to help facilitate understanding. It also presents the current model of...