Art
Art Express - Educational and artistic activities for grades 1-5
Inside Art - Exploring paintings through a game that answers Who, What, When, Where questions.
Metropolitan Museum of Art - The Metropolitan Museum of Art provides art stories, games, and activities.
National Gallery of Art Kids - Interactive Art that you can make online. Looking at and reading about art.
Music
Baltimore Symphony Kids - Offers online resources, coloring pages and online games
Carnegie Hall - Games and Listening Guides
Classics for Kids
Isle of Tune - Create musical journeys through street layouts.
The New York Philharmonic Kidzone
Physical Education
NFL Rush
Kinetic.com