Brockport High School Physics Labs
   Nearly 40 lab experiments which could be used as demonstrations or ready-to-go labs.
   http://www.frontiernet.net/~jlkeefer/phys_labs.html

Educational Resources in Physics, Astronomy, and Related Fields
   A combination of lesson plan sites and useful science links, from Sonoma State University. Well worth the time to visit.
   http://www.phys-astro.sonoma.edu/people/faculty/tenn/Educational.html

How Far Does Light Go?
   A project which engages students in an examination of the scientific properties of light by engaging them with relevant evidence from the web. It culminates in an informal classroom debate.
   http://kie.berkeley.edu/KIE/web/hf-description.html

Lesson Plans
   astronomy, electrostatics, lasers, radioactivity
   http://www.unt.edu/scope/Lesson%20Plans/activities.htm

Middle School Science Lesson Plans
   Includes a variety of physics topics.
   http://www.middleschoolscience.com/

Morgan Park High School Course Materials
   AP physics course outline, lab manual and lesson plans. Honors and regular physics lesson plans and course outlines. Computer physics course outline and lesson plans.
   http://www.iit.edu/~rcoleman/physics.html

Physical Science Activity Manual
   34 physical science activities, downloadable in multiple formats.
   http://www.utm.edu/departments/cece/cesme/PSAM/PSAM.shtml

Physics Lesson Plans at Teachnet.com
   A few simple plans.
   http://www.teachnet.com/lesson/science/physics/

Physics Lesson Plans, from the SMILE Project
   Almost 200 lesson plans, grouped by physics topic. Also, math lesson plans are on the same page.
   http://www.iit.edu/~smile/physinde.html

Physics Problems
   From basic to advanced topics, problems and topics graded by difficulty. From the University of Oregon.
   http://zebu.uoregon.edu/~probs/probm.html

Practical High School Physics Lessons
   Useful applications of physics knowledge. Basic and advanced discussions of fairly common questions which can be addressed by physics considerations.
   http://mb-soft.com/public/phys0.html