Chem4Kids. http://www.chem4kids.com/
A brief overview of chemistry, the study of matter and how it changes and interacts with other matter. Covers matter, elements, atoms, reactions, and describes different types of chemistry ranging from biochemistry to physical chemistry.
Chemicool http://www.chemicool.com
With an interactive periodic table and alphabetical listing of elements, as well as chemistry dictionary, this site is for anyone needing or wanting to know all about the elements that make up our world. Detailed information about each, including the atomic weight, state of matter, characteristics, uses, abundance, and approximate cost make this site a great place to start a search on a particular element.
Jefferson Lab http://education.jlab.org/
Jefferson Lab's Science Education Site - Science and Math Resources for Students and Teachers.
Molecularium http://www.molecularium.com/kidsite.html
A magic musical adventure into the world of atoms and molecules! Learn about the 3 states of matter while taking a musical cartoon adventure.
Science News for Kids http://sciencenewsforkids.org
A collection of the latest science news articles from around the globe.
Strange Matter. http://www.StrangeMatterExhibit.com
Find out what cell phones are made of, look at aluminum atoms, and much more! If you are interested in what things are made of, this is the site for you!