The Nine Planets - A Multimedia Tour of the Solar System by Bill Arnett This website has an overview of the history, mythology, and current scientific knowledge of each of the planets and moons in our solar system. http://seds.lpl.arizona.edu/nineplanets/nineplanets/nineplanets.html
Welcome to the Planets - Explorers, Glossary, Images, and Information http://pds.jpl.nasa.gov/planets/welcome.htm
Exploring the Planets - Tons of information http://www.nasm.si.edu/ceps/etp/etp.htm
Space - The Solar System http://www.bbc.co.uk/science/space/solarsystem/
Exploring Planets in the Classroom - Activities and calculations http://www.spacegrant.hawaii.edu/class_acts/index.html
Astronomy for kids http://www.dustbunny.com/afk/planets/planets.htm
Solar System Exploration http://solarsystem.nasa.gov/features/planets/planetsfeat.html
Planetary Photojournal (Images) http://photojournal.jpl.nasa.gov/
Enchanted Learning Online presents The Planets http://www.enchantedlearning.com/subjects/astronomy/planets/
Planetary Science World Wide Web Sites Links you to many websites http://www.lpi.usra.edu/library/website.html
Welcome to the Planets - a different site http://www.macknife.org/planets/welcome.htm
Electromagnetic Spectrum http://imagers.gsfc.nasa.gov/ems/ems.html
The nasa water bottle rocket page. Has a simulation for rocket design. http://www.lerc.nasa.gov/WWW/K-12/VirtualAero/BottleRocket/GLTP.htm
Water Bottle Rocket software for download. http://www.seeds2learn.com/rocketSoftware.html
Planetscapes: Out of Hawai'i. Some pretty good stuff. Has maps and photos along with good info. http://planetscapes.com/
Solar System Exploration: Another Nasa based site. http://solarsystem.nasa.gov/index.cfm
Nasa: Website of the space agency. http://www.nasa.gov/home.html
Solar System Live: A very good site dealing with the motion of the planets. http://www.fourmilab.ch/solar/solar.html