Easy physics

This easyphysics.net website showed up on my new google search for easy physics.
http://www.easyphysics.net/

Topics
1. Basic Skills
2. Velocity
3. Acceleration
4. Forces and Newton's Laws
5. Motion in Two Dimensions
6. Projectile and Periodic Motion
7. Lesson 1 Review
8. Waves
9. Sound
10. Light
11. Electric Forces
12. Electric Field
13. The Current
14. Basic Circuit
15. Advanced Circuit