Gas Laws Manipulative - something I learned from another AP chemistry teacher years ago. Continuing the tradition of instructional sharing - I passed on the trick to a group of chemistry teachers today. Cover the variable that is constant (in the problem)
Infographic: A Rough Guide to Spotting Bad Science. A brief detour from chemistry, branching out into science in general today. This graphic looks at the different factors that can contribute towards 'bad' science - it was inspired by the research I.