I’ve lost this link, not once but TWICE! Spent 30 minutes already this morning trying to locate it yet again. Didn’t have it listed on here, but on my school website. And I have no idea WHY, since it’s my favorite site to use.
One of the things that kids ask often when studying the interior of Earth is “How do they know that?” This site explains how we know what goes on inside Earth in pretty easy-to-follow terms.