I’ve previously highlighted Glencoe’s online videos for social studies, but have now discovered that offer many more free resources to support all their social studies textbooks. They’re useful even if you don’t use their books, though, and they’re freely available.
You can start off at their main Social Studies site or at their main site for all their textbooks. From there, it’s easy to navigate to their U.S. History, World History and Geography books. They all have links to videos, “in-motion animations” like this one, interactive maps like this (I especially like these maps because they offer audio support for the text), and different games (I especially like their categorization activities).
There’s a lot more there, including a good multilingual glossary I’ve posted about in The Best Multilingual & Bilingual Sites For Math, Social Studies, & Science.
I’m adding this new info to the following lists: