Space Sites
- Solar System (National Geographic)
- Kid's Astronomy
- Interactive Solar System
- Star Child
- Windows to the Universe
- NASA Space Place for Kids
- The Planets for Kids
- Welcome to the Planets
- Exploring the Planets (National Air and Space Museum)
- Our Solar System (Science Monster)
- Fact Monster Planet Pages
- The Nine(make that 8) Planets
- NASA Mars Exploration Home
- One Day Data
Earth Sites
- Pennsylvania Ceenter for Environmental Education
- Biomes of the World
- National Park Service
- Our Ever Changing Planet: Earth's Crust (Savage Earth)
- Earthquakes (Savage Earth)
- Volcanoes (Savage Earth)
- Tsunamis (Savage Earth)
- Tsunami Facts Buzzle.com
- National Geographic Facts about Tsunamis
- Free Tide Tables
- 2009 Tidal Predections from NOAA
- Rocks for Kids
- Earth: Our World in Motion (American Museum of Natural History)