Hippocampus: presentations, worked examples, and simulations.
Hyperphysics: physics concepts presented in concept maps.
Online College Physics Textbook: a free online textbook for college level physics.
The Physics Classroom: online physics info. and interactive tutorials
Physics Lab: online physics practice problems sorted by topic. (some problems do not fully match the curriculum)
TwuPhysics: Physics videos by an AP Physics teacher in Maryland.
Doc V How To Videos: How to physics videos.
Bozeman AP Physics: Bozeman Physics: Videos by a teacher in Montana, broken into multiple topics.
Crash Course Physics: fun online videos about different physics topics--- more videos being added.
Khan Academy AP Physics 1: Videos, practice problems, and information about physics
PhET: Online animations. Be careful some animations require Java.
The Physics Aviary: Online lab simulations, animations, interactive problems, and AP test review.
McCully's Online HTML5 Physics Resources: multiple lab simulations, physics problems, and tools.
Physics Lab Apps: online apps to complete virtual physics labs.
Interactive Sig Fig Tutorial: you guess the number of sig figs and the computer lets you know if your answer is correct.
Sig Fig Tutorial: step-by-step directions on how to determine the number of sig figs as well as performing calculations with sig figs.
Scientific Notation Help: a guide to converting into and out of sci notation as well as performing calculations with sci notation.
Accuracy vs. Precision: video walk through of how to take correct measurements and accuracy vs. precision.