Here are some of my favorite links and a few cool demonstration videos:
http://ch301.cm.utexas.edu/?page_id=43
http://www.khanacademy.org/science/chemistry
www.kentchemistry.com
www.brps.k12.mi.us/
www.learn360.com
http://www.chem.wisc.edu/content/genchem-main/ (University of Wisconsin Chemistry department)
http://www.stevespanglerscience.com/content/science-video/science-fair-solutions-for-parents
(supersaturated solution)
http://www.khanacademy.org/science/chemistry
www.kentchemistry.com
www.brps.k12.mi.us/
www.learn360.com
http://www.chem.wisc.edu/content/genchem-main/ (University of Wisconsin Chemistry department)
http://www.stevespanglerscience.com/content/science-video/science-fair-solutions-for-parents
(supersaturated solution)