princedihongge

I'm a chinese student ,I have a great interesting inscience,phsical,medinci,and i want to know the world ,i want to kown peoples life in iraq ,african ------

   In recently,i'm interested in study" meterial and energy",i belive energy can chang into meterial , it can't control by people ,  but in natural ,it maybe existance,in a time ,i ask my teacher for answer,he can't give me a definte answer!!!