Print graph paper from your computer for working homework problems. http://www.printfreegraphpaper.com/
Glenbrook South Physics Site http://www.glenbrook.k12.il.us/gbssci/Phys/phys.html
The Physics Classroom- Tutorials and Simulations https://www.physicsclassroom.com/mmedia/index.cfm
The AP College Board web site for info on Advanced Placement tests. http://apcentral.collegeboard.com
University of Colorado Physics Education Technology (PheT) web site -- Simulations page. Fun simulations like John Travoltage!
DEMOS - Purdue University Physics Department web site. It was created for the professors at the univeristy, so some of the descriptions are lacking. See me if you have any questions. http://www.physics.purdue.edu/demos/
DEMOS - Prof. Sprott's unpublished physics demo book. http://sprott.physics.wisc.edu/demobook/intro.htm
DEMOS - Physics Instructional Resource Association web site. You will need to scroll down a bit, but it lists LOTS of demos! http://www.physics.ncsu.edu/pira/
Physlets on campus. S:/Finder/PHYSLETS/start.html