personally i love physics, reason being is its just so awesome!!!! the concepts which are explored in physics are really intriguing, like light, motion (plug in into calc lol) , NUCLEAR PHYSICS!! ect....
also just to put it out there IT'S THE MOTHER OF ALL SCIENCES!!!
Chem comes second for me, i like it but sometimes the stuff in there makes no sense whatsoever (Unit 3 to be exact) !!!
Bio wasn't my thing at first i liked it but when i fast tracked it in year 10, all those words i had to remember (meiosis, mitosis, mitochondria vacuoles YUCK!!! ) Also it didn't help when the teacher was teaching us the wrong material at the time. but to be honest i didn't study much for it so i found difficulty with it, which was why i didn't do Unit 3&4 in year 11.