Science



http://www.visual-literacy.org/periodic_table/periodic_table.html

http://science.energy.gov

hocus pocus periodic tables http://1.bp.blogspot.com/_YsK5EiADSu8/TUmDiiDkVVI/AAAAAAAAAUM/K1ZyuARF5Qs/s1600/periodictextmessagetbl.jpg

http://www.epa.gov/home/az-index

http://www3.epa.gov/acidrain/education/experiments.html

http://www.smithsonianeducation.org/scientist/

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