Announcing the 4th NSDL/NSTA Web Seminar Series
Starting this fall, our series of free online teacher professional
development continues! Watch for these seminars featuring experts from
the NSDL community for the 2009-2010 school year: Chemistry Comes Alive
IV: Oxidation and Reduction, Timely Teachings: Seasons and the Cycles of
Night and Day, along with seminars from PBS favorites WGBH Teachers'
Domain and Dragonfly TV.
