(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/
http://www.wordcentral.com
http://www.iknowthat.com
http://www.louisianapass.org
http://www.citationmachine.net
Word games for each unit of vocabulary. HONORS VOCABULARY