Physics Organizations

APS
Homepage of the American Physical Society 

AIP
Homepage of the American Institute of Physics 

AAPT
Homepage of the American Association of Physics

SPS
Homepage of the Society of Physics Students 

PhysTEC
Homepage of the Physics Teacher Education Coalition

IOP
Homepage of the Institute of Physics

Science and Math Organizations

NSF
Homepage of the National Science Foundation

NSTA
Homepage of the National Science Teachers Association

DOE
Homepage of the Department of Energy 

NASA
Homepage of  NASA