SkyGuy Tom Vilot answers kids' questions about space.
A wiki is a type of collaborative website with integrated tools for adding and editing content. The online encyclopedia Wikipedia.org is one popular example, WikiHow.com is another.
Although they do not call themselves a wiki, Google Docs provides a powerful set of collaboration tools, a familiar interface, and meets most of the usual wiki criteria.
PBWiki provides anyone a free wiki website for up to three users, but educators get a special deal: a 10MB wiki for an unlimited number of users for free.
With drag-and-drop simplicity, PikiWiki is the easiest wiki to learn, and a great one for elementary-age kids.
The Wetpaint platform rolls features from wikis, blogs, and forums into what they call "your own social website.
Wikipsaces is another wiki platform with a special offer for teachers.
Looking to spur wiki adoption? Want to grow from 10 users to 100, or 1000? Applying patterns that help coordinate people's efforts and guide the growth of content,
Monkeys jumping on Howard on the Rock of Gibraltar.
A You-tube .. but with only educational content - what a great idea!