This web quest is intended for elementary age students. It would work best for students who can read independently, however, it can be used for younger students, with a lot of teacher guidance. Here is a list of the resources used for this webquest:
pds.jpl.nasa.gov/planets/
www.seds.org/nineplanets/nineplanets/
starchild.gsfc.nasa.gov/docs/StarChild/
www.seds.org/galaxy/
www.kidsastronomy.com/
abcteach.com/SolarSystem/unscramble.htm
abcteach.com/Word%20Puzzles/Online%20Crosswords/solarsystem.html
abcteach.com/SolarSystem/ssKWL.htm
Amazing Space Facts By Dinah L. Moche
The Universe by Gallimard Jeunesse and Jean-Pierre Verdet