~education webs~

hi, today i want to share with u all this link.. www.physicsclassroom.com and www.physics.org
as i were the head teacher for physics, n i also teaches physic, i suggest who want to learn or use this material for teaching can use these materials. its good with application, demonstration, and graphics. please friends, you can comment to me, about these two websites. i prefer physicsclassroom.