The Journal of Emerging Investigators is an open-access scientific journal for middle school and high school students. Encourage your students to submit their original research for publication!
Other Resource Sites
Journal of Emerging Investigators
Khan Academy
Click "watch" and then scroll to chemistry for a variety of tutorials.
Laboratory Safety Institute
The Laboratory Safety Institute (LSI) is a non-profit, international educational organization for health, safety and environmental affairs. The institute's mission is making health, safety and the environment an integral and important part of education, work, and life.
Massachusetts Academy of Sciences
Massachusetts Academy of Sciences has lots of resources to help teachers of all sciences. "Teachers join free."
Massachusetts Science and Technology/Engineering Frameworks
The MA 2006 frameworks for science and technology, from the Massachusetts DESE website