Online community encourages citizen science; watch privacy.
Collection of credible info is a great research tool.
Site brings the science museum experience into kids' homes.
Fun game teaches science through forensic investigation.
Stick with this site for a good brain workout -- for a fee.
Videos and activities are fun, accurate, and valuable.
This site's prescreened stories will keep kids up on current events.
Vast library of links a boon for kids doing online research.
Captivating site on everyday (and advanced) science topics.