Useful W/sites you can have a look at -
NZIP - NZ Institute of Physics - really useful for the applets available - look under "education section"

My email at school - Tokomairiro HS, Milton - is
If you are in my class, I'm happy to give you my home phone no and home email, but I wont put this on here. you are welcome to ring me at home if you have probs, but remember that I may not have my book at home, so may have to "wing it"!!!!!!!   Paul