http://www.physicsclassroom.com/
Σε αυτό το πολύ καλό site μπορείτε να βρείτε ασκήσεις , θεωρίας , Physics Tutorial για τα κεφάλαια:
1-D Kinematics
Newton’s Laws
Vectors – Motion and Forces in Two Dimensions
Momentum and Its Conservation
Work, Energy, and Power
Circular Motion and Satellite Motion
Static Electricity
Current Electricity
Waves
Sound Waves and Music
Light Waves and Color
Reflection and Ray Model of Light
Refraction and Ray Model of Light