EXPERIMENTS: So Easy, Yet So Clever!
ENGLISH:
http://www.chemheritage.org/educationalservices/faces/poly/tutorial/states.htm
http://www.chem.purdue.edu/gchelp/atoms/states.html
http://www.grc.nasa.gov/WWW/K-12/airplane/state.html
http://www.harcourtschool.com/activity/states_of_matter/index.html
http://www.chem4kids.com/files/matter_states.html
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