Online dictionaries and reference sources
Eric Weisstein's World of Physics an online handbook
Symbols, Constants & Equations from University of Oregon
Physical Reference Data from the National Institute of Standards and Technology
Encyclopedia Britannica Online has numerous brief articles on topics related to physics
Websites for physics and related fields
Physics via Yahoo
Physics Related Resources on the Internet from American Physical Society
American Institute of Physics collection of Web resources
The Net Advance of Physics from MIT
PhysLink physics and astronomy online education and reference
Science.Gov portal to authoritative selected science information provided by U.S. Government agencies
Tutorials and textbooks
Physics Problems basic concepts, mechanics, thermal physics, electricity and magnetism, from Univeristy of Oregon
Interdisciplinary Course in Physics, Chemistry and Math from University of Pennsylvania