Video Links by Topic
Measurement  
classification of matter 
atomic structure 
atomic structure
Isotopes
moles 
empirical formula 
naming ionic compounds
naming polyatomic ion compounds
​naming covalent compounds 
​naming acids 
electrons and electromagnetic spectrum
​where do electrons live?
electrons and light emission

night sky site to show what is visible.www.timeanddate.com/astronomy/night/usa/olathe

Link to simbucket, which has the old chemthink tutorials and practice probelms.  

simbucket website for chemlink

Cavalcade of Chemistry--great chem resources

chemfiesta.com