Using Google forms - very comprehensive guide.
Multidisciplinary lessons with good tech aspects. Very cool teaching ideas that will engage students. Wonderful Hunger Games PBL.
Research models from a conference; good ppt and other infop.
Whisteblowers, government documents - all sorts of dirty secrets. Scary stuff.
Links to academic databanks like ERIC; links to academic journals; oodles of research links.
Photo site where you upload yours and download other people's. There's gorgeous images here in the Commons that you can save for use in presentations.