Following the Resource Links leads you to a great resource for many science topics that are covered in junior high and high school science classes and projects. Some of the resources draw a very clear link between the science of everyday activities or games, for instance Science of Cycling and the Science of Hockey.
Young adults and children are not the main audience of this website, but the information contained on the site will lead answer questions on their mind. The site provides detailed explanations along with video clips on a variety of everyday science questions.
A great interactive site that covers areas in the Biological Sciences (Neuroscience, Evolution, Cancer, Genetics, etc..). There are interactive lectures along with animations and videos in these fields. An excellent site for the visual learner.
Another great site that provides information in the areas of Earth Science, the Animal Kingdom, Technology, and Space Science. The site provides both explanations and photos to show an array of topics.
A website that provides reviews on a number of Chemistry topics. A great resource for high school and beyond students.