The information you are looking for about Jupiter's moons can be found here:
http://www.space.com/16452-jupiters-moons.html
If you would like to learn more about this topic, look at the Encyclopedia Britannica located on the VLC under the "Games & Database" tab. I would also suggest that you check in your library for books about Jupiter, located in the space section under Dewey Decimal number 520.
Hope this was helpful! Happy researching!
