Memory & the brain
"for students and teachers who want to learn more about the nervous system". Information, games and activities, links to resources.
Connected to the Neuroscience for kids' site, this has lots of activities and games to teach you about and test you on your memory
A few memory training games from the Exploratorium (the "museum of science, art, and human perception")
General resources
General reference, and also has educational videos and games
abcteachA useful resource if you're looking for activities for elementary (primary) school children.
Enchanted Forestactivities in many subjects, mostly for younger children, but some for older elementary students (lots of good stuff in the geography and science sections - information sheets and quizzes) - and note too, that many of the activities are available in several different languages
lots of printable worksheets and other resources, in several different languages. Look in particular at their:
great resource! links to lots of really good sites on a variety of topics.
Homework Spota directory of resources, for all levels
John's Word Search PuzzlesMore word searches
Learn & play chess with kids from around the world.
Arts & Humanities
Social studies
The New York Times Learning Network
The New York Times offers a good training ground for newspapers with its Student Connections, for students from grade 6 - 12.
Includes a kids section that looks quite attractive, but several parts of the main site could be of interest to children - check out the Map Machine.
Browse through HistoryA teacher, Mr Dowling, offers history study guides, homework assignments and exams that are free and available for you to print or to edit.
Quite a good site for history and social studies information for children, although very US-centric.
A resource center for ancient Egypt. Includes clip art, useful for children's projects.
World Geography GamesLots of interactive geography games here.
Free interactive map puzzles to learn continents, countries, states, capitals, borders, physical features and cultural monuments.
A great way of learning countries - scroll down the page to the interactive map puzzles.
Practice your capital cities here
An online, one-two player geography based game. Play alone or compete against an online opponent to locate cities as quickly and accurately as you can.
Art
Archkidecture - Architecture for children
terminology, wacky stories, build-it-yourself projects, information about what an architect is and how to become one, information about structures and materials. Nicely done.
Language
has a list of online word games that they say are "high-quality, free to use, and are hosted on sites that won’t drive you too crazy with incessant ad bombardment or dead links". The list also includes links for those learning English, and for adults.
a variety of quizzes and games to help expand your wordpower