TweenTribune
is a free online educational service offered by the Smithsonian for
use by K-12 grade Teachers and students.
It consists of daily news
sites for kids, tweens, and teens, and includes text, photos,
graphics, and audio and/or video materials prepared by the
Smithsonian and others about current events, history, art, culture
and science.
It also includes lessons, instructional and assessment
tools, and opportunities for the registered users to communicate with
other participants (Source: TweenTribune)