Real Scientists-explore science careers http://www.realscience.org/student_home/student-series.html
periodic table information http://chemlab.pc.maricopa.edu/periodic/periodic.html
element/periodic table information http://www.webelements.com
chemistry tutorial http://highschoolhub.org/hub/hub.cfm
Fireworks-technology and history http://www.enc.org/features/calendar/unit/0,1819,84,00.shtm
Smithsonian Institution- Inventors & Innovation http://www.si.edu/resource/faq/nmah/invent.htm
Extreme Science http://www.extremescience.com/
The T.W.I.N.K.I.E.S. Project- scientific method http://www.twinkiesproject.com/
Periodic table information http://periodic.lanl.gov/