http://www.kn.pacbell.com/wired/fil/pages/listsolarsym.html

Let’s Explore the Nine Planets
Basic Information on all the planets and includes pictures and some movies.
http://www.tcsn.net/afiner/title.htm

Bill Arnett’s The Nine Planets 
The Nine Planets is an overview of the history, mythology, and current scientific
knowledge of each of the planets and moons in our solar system. Each page has text and
images, some have sounds and movies, most provide references to additional related
information.
http://www.seds.org/billa/tnp/

NASA's Apollo 11 30th Anniversary Special  provides information on the Apollo 11
mission and its impact today by offering astronaut comments, biographies, documents,
galleries, timelines, related links and information on celebratory events. 

http://www.hq.nasa.gov/office/pao/History/ap11ann/introduction.htm

NASA Is My Playground  
Provides some cool NASA sites just for kids. 
http://www.nasa.gov/kids.html

Planetary Science Research Discoveries (PSRD) 
An educational site sharing the latest research on planets, meteorites, and other solar system bodies being made by NASA-sponsored scientists. PSRD is a vital link for education, planetary and space science, and for learning how science works. 
http://www.soest.hawaii.edu/PSRdiscoveries/

Space Link
An Aeronautics and Space Resource for Education Since 1988 
http://spacelink.nasa.gov/.index.html

Views of the Solar System
Presents a vivid multimedia adventure unfolding the splendor of the Sun, planets, moons, comets, asteroids, and more.
http://www.solarviews.com/eng/homepage.htm

Windows to the Universe
A fun and different Web Site about the Earth and Space Sciences
http://www.windows.umich.edu/

Welcome to the Planets
This is a collection of many of the best images from NASA's planetary exploration
program.
http://pds.jpl.nasa.gov/planets/

Office of Space Science  National Aeronautics and Space Administration
NASA's Office of Space Science is responsible for all of NASA's programs relating to
astronomy, the solar system, and the sun and its interaction with Earth. That includes all of NASA's telescopes and planetary probes. Our research covers everything from the middle levels of Earth's atmosphere (about 60 kilometers up) to the edge of the universe billions of light years away. 
http://spacescience.nasa.gov/osshome.htm

Hubble Deep Field Academy
Students develop their own scientific questions and compare them with those of
astronomers. During the lessons, students have the opportunity to become Stellar
Statisticians, Cosmic Classifiers, Galactic Guides, and Universal Graduates.
http://amazing-space.stsci.edu/

Nasa Space Link: 
Includes many NASA links as well as many other links.
http://spacelink.msfc.nasa.gov/Instructional.Materials/Curriculum.Support/Space.Science/
Our.Solar.System/

Textbook:  Earth Science by Prentice Hall/Tarbuck

Software: 
A field trip to the Sky  by Sunburst Communications Experience the majesty and mystery of space as you explore the solar system.

An Odyssey of Discovery:  Science  by Pierian Spring Software
To understand how technology allows data to be manipulated so that formation not otherwise apparent becomes apparent.  Students will compare and contrast planets of the solar system.

Other Book Sources: 
201 Awesome, Magical, Bizarre and Incredible Experiments by Janice Van Cleave 

Applications and Investigations in Earth Science by Prentice Hall/Tarbuck