Education Product – Week

Most effective science website has science podcasts, videos and animated stuff. Study material is sagrigated by grades.
Grade K-4 Stories
Find It Fast
Play & Learn
Picture Dictionary
Homework Topics
Grade 5-8 In the Spotlight
Find It Fast
Career Corner
Fun & Games
Homework Topics
Grade 9-12In the Spotlight
A-Z Index
Career Profiles
Education Programs
It also has higher education and career opportunities.
http://www.nasa.gov/audience/forstudents/index.html