Archaeology's Dig Magazine for Kids
http://www.digonsite.com

Dive and Discover
http://www.divediscover.whoi.edu

Explore It Science Center
http://www.explorit.org/science.html

ExZooberance - Animal Kingdom
http://www.exzooberance.com

Knowledge Bears Animals
http://www.kbears.com/animals/index.html

How Stuff Works
http://www.howstuffworks.com/

How Stuff Works Express
http://www.express.howstuffworks.com

K-8 Aeronautics
http://wings.avkids.com/

NASA's Earth Science for Kids
http://kids.earth.nasa.gov

American Museum of Natural History
http://www.amnh.org/

National Zoo
http://nationalzoo.si.edu

Create Your Own Spacecraft
http://www.meganova.com/orbit/

National Geographic for Kids
http://kids.nationalgeographic.com/

Science Monster
http://www.sciencemonster.com/

Dinosaur Information
http://www.enchantedlearning.com/subjects/dinosaurs/index.html

Dinosaur Reserve
http://www.kbears.com/dinosaurs/index.html

Exploratorium: Museum of Science
http://www.exploratorium.edu/

Smithsonian Science
http://www.smithsonianmag.com/science-nature/

Magic School Bus
http://scholastic.com/magicschoolbus/index.htm

NASA
http://www.nasa.gov/audience/forstudents/index.html

Volcano World
http://volcano.und.nodak.edu/

The Why Files
http://whyfiles.org/

The Yuckiest Site on the Internet
http://www.yucky.com/

Museum of UNnatural Mystery
http://www.unmuseum.org/unmain.htm

Science Fair Central
http://school.discovery.com/sciencefaircentral/

Mr. McLaren's Science Fair Survival Page
http://www.ri.net/schools/East_Greenwich/Cole/sciencefair.html

California State Science Fair
http://www.usc.edu/CSSF/

Climate Change Kid's Site
http://epa.gov/climatechange/kids/

Animal Planet
http://animal.discovery.com/

Ocean Animals
http://www.kbears.com/ocean/index.html

Find Your Age on Other Planets
http://www.exploratorium.edu/ronh/age/index.html

Knowledge Bears Science Lab
http://www.kbears.com/sciences/index.html

Bill Nye the Science Guy
http://www.billnye.com/

Kid Sites
http://www.kidsites.com/