Planet Project Site http://pds.jpl.nasa.gov/planets/special/planets.htm
Planet Project Site http://www.enchantedlearning.com/subjects/astronomy/planets
Choose your planet from the list at the top under planets. https://solarsystem.nasa.gov/planets/overview/
Planet Size Comparison Comparing Planets & Stars
Size of planets & stars compared
Planet Project Site http://www.planetsforkids.org/planet.html
Earth's Water Our Blue Planet
Planet Project Site http://www.planetsforkids.org/planet.html
Celcius to Farenheit CONVERTER
KM to MI Converter
Interactive sites for all standards
Hayden Planetarium