Gases (Chemistry)
Microscale Gas Chemistry 
This site is packed with microscale gas chemical reactions for research. They actually tell you the cost, how to make it and a bunch of other information. Each of these gases makes a good one or two period (45 min) laboratory activity for high school and university students...
All the gas laws in table form 
An easy to read overview of the gas laws. You could use this as a quick reference when doing gas law problems. Not only does it go over the concept but it also explains real life experiments. Ideal Gas Law and the Gas Constant The various gas laws (e.g., Boyle's and Charles...
