For "Exploring Atoms" Activity
http://www.classzone.com/books/earth_science/terc/content/investigations/es0501/es0501page01.cfm
Need Help Balancing Equations?
http://misterguch.brinkster.net/eqnbalance.html
http://www.wfu.edu/~ylwong/balanceeq/balanceq.html
http://education.jlab.org/elementbalancing/index.html
http://www.sciencegeek.net/Chemistry/taters/EquationBalancing.htm
For Adopt-An-Element Project