ScI-Journal - Online journal of high school and college students' lab reports from their science classes, labs and fairs. A discussion list allows messages about each report to be posted on the site.Reeko's Mad Scientist Lab - Collection of ideas ranked according to difficulty.
Hands On Science - Safe and simple science experiments to perform at home.
Edible/Inedible Experiments Archive - Fun and sometimes edible science projects for kids.
Egg in a Bottle Experiment - Experiment on the nature of oxygen for ages 7 - 14.
Science Activities - From the Ben Franklin Institute, projects for kids 5-12.
Hunkin's Experiments - Cartoons showing how to do hundreds of weird and wonderful things. All experiments from cartoonist and scientist Tim Hunkin.
Experimental Science Projects, An Introductory Level Guide - Tells how to notice something, gather information about it, figure out a title, and create a science fair project.
Experimental Science Projects, an Intermediate Level Guide - How to tell the differences between different kinds of scientific studies, details about the scientific method, and steps involved in investigating a scientific topic.
Vortex - Learn how to make your very own tornado in a bottle and learn how the experiment actually works.
Kitchen Safe Science - A fun way for kids to bring hands-on science into their own homes. All demos are safe and easy, and they come with full explanations.
Little Shop of Physics: Experiments - Dozens of experiments for all grade levels using common household items or a computer.
The Senses - Science experiments and activities that explore the sense of touch, taste, smell, sight, and hearing.
The Mission: A Great Scientific Adventure - Features science games, animated clues and fun quizzes that explain the science of everyday life and the discoveries that lie behind it. Requires free registration.
Solar Now Project - Includes an experiment entitled "What Stores Energy Best?" and an activity entitled "Make A Pizza Box Solar Oven". From the U.S. Department of Energy's website.
Inspiring Science - Sponsored by Crest and AstraZeneca, this is a collection of resource materials for schools and kids involved in science projects.
HobbyScience Projects for Kids - A number of ideas for easy science projects for children. Includes many topics.
Union Station: Science City Experiment Page - Hands-on science experiments that use common household materials.
PathFinder Science Network - Science education programs for students of all ages in biology, chemistry, and earth science. GIS and modeling technologies are used to study student collected data.