Here's a collection of sites that I think offer deeper learning, understanding, and might even be FUN.
www.birdbrainscience.com
Read, review, and learn science concepts no matter how well you read.
http://www.sciencenewsforkids.org/
Read in-depth articles about science news.
www.ted.com
Watch videos of Ideas Worth Spreading. Very interesting, groundbreaking and inspirational concepts and inventions.
www.brainpop.com
Short and funny cartoons that can help you learn, review or explore different topics in all subjects.
Excellent Youtube channel about Physics
http://www.youtube.com/user/minutephysics
