Ks3 science?

I came from india this year and i have to do my ks3 science exams next week. i just want a practice paper, for bio, chem. physcis. a paper which has questions of all the topics covered. if you know what i mean. i mean like an exam paper for ks3 pysics, chemistry and biology, a full ks3, i mean all the topics. i just want some exam papers with questions, so i can see how the exam will be. srry!!! n thnx!!!!! help me, i dunno anything
Answer
The exam is not hard, trust me i did it a few days ago. however theres not much time but its mostly logicbut anyway, try this, they are past papers so theyll give you a firts hand experince...(sorry bad speller)http://www.satspapers.co.uk/there youve got the mark scheme so you can correct your exams and see which level you got.also, you have other subjects like maths and english so you can practise anything.hope it helps