The Physics Classroom is "for beginning physics students and their teachers." Begin with the tutorial. You will find introductions to a broad range of physics topics.
Khan Academy's motto is "You can learn anything."
Khan Academy's Physics instruction modules include many self-paced lesson plans with videos and quizzes to test your knowledge. This is a valuable website to use in conjunction with your class resources and lessons. Try it out!
Need to review what you've learned in physics? Try PrepSTEP's physics practice, from Ebsco LearningExpress. (You will need to create a personal account with PrepSTEP.)
PhET is a project of the University of Colorado - Boulder. There are over 100 interactive simulations in physics, chemistry, environmental science, biology and math.
Watch the video below to learn more about PhET.