The Homeschool Science section of Instructables.com has a decent collection of user-contributed science experiments that can be done at home. Experiments such as 'how to make your own thermometer', 'the Penny Battery', and 'how to make a 6-cent LED Throwie' sound like fun for teen tinkerers. more
The American Museum of Natural History hosts a fantastic website named ‘Ology’ which covers several science topics of interest to children. Archeology, Astronomy, Biodiversity, Earth, Einstein, Genetics, Marine...more
Video (Elementary & Middle School Science)
— Great video in which Carl Sagan talks to school kids about the universe. The entire Cosmos video series is in fact fascinating for kids to watch.
To buy the bestselling book... more