Physical States and Properties
Properties of Gases
UC Davis ChemWiki
The expansion of gases by heat
By Joseph-Louis Gay-Lussac (1778-1850).
News & Events
Even Avogadro didn't know Avogadro's Number (Wired.com)
World's quietest gas lets physicists hear faint quantum effects (Phys.org)
What ignited the Hindenburg? (Royal Society of Chemistry)
A Nobel Prize for noble gases (NewsWorks.org)
Google - Research database allows searching of the scholarly literature.
Virtual Chemistry Experiments - Gas Laws
(Davidson College) Information on various gas laws, like Boyle's Law and Avogadro's Law, along with interactive features. Developed by Dr. David Blauch.
Next Generation Science Standards (NGSS)
Next Generation Science Standards: For States, By States
National Academies Press: A Framework for K-12 Science Education