Chemistry & Everyday Life, 9-12

http://www.nbclearn.com/chemistrychapters
This is a new online series of free videos and resources. It has three weekly lessons available now with many more to be added through the rest of the school year. The project was created with the National Science Foundation and covers a variety of topics ranging from the chemical breakdown of all the components of a cheeseburger to the chemistry of fear. Each series contains several one- to six-minute videos, charts, related news stories and lesson plans created by the National Science Teachers Association (NSTA). The site also features profiles of scientists making chemistry breakthroughs.