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.
Brainy Kids: Brain related activities, information, links and lesson plans from the Dana Foundation's educational Web site.
Chemical Experiments for Cubs: List of simple experiments to do with elementary school aged children at home.
CSIRO's Double Helix Science Club: A collection of easy to do, yet interesting and informative, experiments in different fields of science.
Dripstone Experiment: Investigation of stalactites and stalagmites in a home experiment involving epsom salts and water.
Edible/Inedible Experiments Archive: Fun and sometimes edible science projects for kids.
Eggsperiment: Use an egg and a small jar or bottle to investigate changes in air pressure.
Experimental Science Projects, An Introductory Level Guide: Describes the steps involved in creating a science project. From initial observations, to experimental design to final conclusions.
Exploratorium: Hands-on Activities: Hands-on science activities from the Exploratorium museum of science, art and human perception. Experiments explore a huge range of topics including space, food, living things and the human mind.
Exploratorium: Science Explorer: Offers many easy-to-do experiments and projects, and explains why things happen the way they do and how things work.
Following the Path of Discovery: How to repeat famous science experiments. Also includes a Science Fair project guide, information about scientists and inventors, science trivia, and science jokes.
Funology: Lots of fun home experiments for kids exploring physics, chemistry, biology and the weather.
HobbyScience Projects for Kids: A number of ideas for easy science projects for children. Includes many topics.
Hunkin's Experiments: Cartoons showing how to do hundreds of weird and wonderful things. All experiments from cartoonist and scientist Tim Hunkin.
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 physics experiments using common household items or a computer.
Neuroscience for Kids: A collection of simple science experiments exploring neuroscience, plus science fair ideas and other activities.
Reeko's Mad Scientist Lab: Free science projects and experiments for parents, teachers, and children of all ages.
Resources for Learning: A collection of material and suggestions for schools and kids involved in science projects.
Science Activities: From the Ben Franklin Institute, projects for kids 5-12.
Science Hobbyist: A growing collection of science projects for all ages.
Sweet Home Arsenic Project: Project investigating the relationship between arsenic levels in soil and the growth of plants.
T.W.I.N.K.I.E.S.: Featuring a variety of scientific experiments on this popular snack food.
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.
Try Science: Experiments ranging from making music with coat hangers to measuring your lung capacity. Contains useful tips for teachers and parents.
Union Station: Science City Experiment Page: Hands-on science experiments that use common household materials.
Worm Watch: Hands on activities with worms to learn about soil and ecosystems.