Online community encourages citizen science; watch privacy.

Download gives good background on coding, so-so instruction.

Useful tool for managing chores has lots of shopping.

Tidy virtual space for storing and sharing tidbits of info.

Student search engine gives kids credible, relevant results.

Sweet site lets kids write and illustrate original stories.

Cool history project empowers teens to connect and share.

Free drill-and-practice games; members get more.

Site brings the science museum experience into kids' homes.

One-stop site for writing help is a good resource for teens.

Make and share DIY slideshows, but use privacy settings.