This is a partial list of links. Our library also maintains an excellent list of web resources as part of their of LPC Library Guide for Chemistry.
"The Chemistry of Glass" http://glass-elevators.com/science-behind-glass.php
-contributed by future teacher Jess Riggs
"Chemistry Behind Cleaning"
A great link from Ms. Britton's Class in Grand Prarie, Texas. Thanks!
Periodic Table Resource: Tungsten, Palladium and Other Transition Metals
an excellent link describing the properties and uses of Transition Metals recommended by Mrs. McVey and her 6th graders.
AMERICAN CHEMICAL SOCIETY
The home page for the American Chemical Society. A good source of information regarding a wide range of topics in chemistry. There is a section on Careers in Chemistry, though it is somewhat limited.
You can look up properties of any of the chemical elements from this site. There are also pictures of the elements and information on how the elements are used. http://www.webelements.com/
PICTORIAL PERIODIC TABLE
There are links to an incredible variety of periodic tables, including periodic tables in other languages. http://chemlab.pc.maricopa.edu/periodic/periodic.html
There are links to information about various elements.
Commodity.com maintains a nice page of links, too:
Combinatorial Chemistry: http://www.combichemistry.com/