EXPLORATORIUM
Cool experiments! Most can be done with things you already have around the house, too!

KIDS' DO-IT-YOURSELF SCIENCE
Lots of links to great science experiments!

HOW STUFF WORKS
GREAT site!

LOOK, LEARN, & DO
Science and building projects, history, fun facts, games, etc.

NATIONAL GEOGRAPHIC FOR KIDS
Great articles, amazing facts, quizzes, games, science experiments, crafts, recipes, cartoon factory, etc...

NEWTON'S APPLE
Great science lessons, experiments, etc.

REEKO'S MAD SCIENTIST LAB
Science experiments, explanations, etc...

SANDLOT SCIENCE
An interactive guide to optical illusions. Explore interactive optical effects, illusions, distortions, animations, artwork, stories, Adobe® PDF projects, games and more. Over 100 colorful exhibits and activities!

SCIENCE MADE SIMPLE
Kids can get simple, detailed answers to common science questions. Site also includes great science projects & experiments, science news, and interactive unit measurement conversions. Cool!

SCIENCE/NATURE LINKS
Great links from About.com!

THE YUCKIEST SITE ON THE INTERNET!
The science behind "gross" stuff!