Ask A Scientist is a website where you can get your science questions answered by real scientists who work at universities, as well as, various research firms. But before you ask a question be sure to look through their archives since they are pretty comprehensive and cover almost every topic. This is a great site to help you with your science projects.
Kids Website Reviews - Science Reviews
Check out this year's young winners of the Science challenge, watch videos of how they are turning their bright ideas into reality, meet some real scientists or simply play the fun games. There is plenty to do on this great site. And while there, don't forget to check out the dates for next year's competition, which is coming up soon