Wikis are basically websites which are made collabertivly by a team or group of people to co-ordinate projects or research.

You can use Wikispaces to make a secure wiki both quickly and easily, although Wikispaces usually charges for it's Wiki's, it gives them away freely to educators, you can get via the links below:
Watch the video & presentation below to learn more:

Part of the "Interesting Ways" series developed by Tom Barrett 
& used with his kind permission.
Subpages (1): Google Sites