Smithosonian battles the stereotypes often associated with scientists by featuring 20 scientist with interviews, job descriptions, and additional resources.
professional development and student activities for a variety of science topics - if you need a refresher before teaching this is a good resource. Also lots of simulations are available. Requires sign in but does not require NSTA membership and many are free. Can save to My Library
math games, interactives, printables, and teacher guides - math now but plans to add science and social studies, elementary and maybe middle school. mostly free