Matematica, quimica e fisica em inglês

Hello guys, i'm going to do a test in order to get a chance to study in japan, the test is all in english and it has chemistry, math and fisic questions, so I would like to know if anyone knows a good site about chemistry, math and etc... in english(damn, I will have to learn all the chemical elements in english too:().

I think i put it in the wrong session, if so, please move it to the right session


p.s: how can I say "bolsa de estudos" in english?