(Sample link) NASA for middle-school students http://www.nasa.gov/audience/forstudents/5-8/features/index.html
(Sample link) National Geographic for Kids http://www.nationalgeographic.com/kids/
Inferencing Battleship http://www.quia.com/ba/41785.html
http://www.youtube.com/watch?v=EaXOttV2VJ0&feature=player_embedded
WOW Symbolism
http://www.factmonster.com/