Physics: Selected articles from Phys Rev and Phys Rev. Letters
	UPenn Math. Physics course
	Prof. Bloomfield's "How things work"
	Astro Web, a site that points to interesting astronomy sites
	NASA Spacelink
	PhysicsCentral.com, web site by the American Physical Society "designed to bring the importance and excitement of physics to everyone."
	HowStuffWorks.com, another web site that the science of how things work.
	Physical Sciences Resource Center
	Digital Library for Earth System Education, A nice resource site for the Earth Sciences (Weather, geology etc)
	"Bus and Subway" Physics
	PhET: A growing number of very good simulations in Physics, Chemistry and Math from Univ. of Colorado, Boulder
	Strange Matter A Materials science exhibit site for all - kids to adults
	Virtual Physics Experiments This site has a variety of virtual experiments
	Virtual Physics Experiments 2 Another site with virtual physics experiments
	Physics Applets by C. K. Ng: A set of nice physics applets
	Introductory lab; (a) The virtual Micrometer,  (b) The Virtual Vernier Caliper, (c) Projectile Motion
	Potential Barrier: A nice applet on a potential barrier
	Force Table:
	The Damped Harmonic Oscillator
	Aerodynamics: A NASA site with lessons for beginners (K-12 and up)
	Aerodynamics Text: This is a free online text for undergraduates

Addtional Useful sites:

	Physical Chemistry (Introductory) site: This site is designed for high schools in South Africa and is a useful tutorial resource.
	Organic Chemistry site This site is an interactive site and has tutorials in organic chemistry and a selection of 3-D organic compounds library that can be viewed using Chime.
	Mineral web this site has interactive information of structure of materials that can be viewed using Chime
	General Chemistry tutorials using flash
	Elementary Chemistry site from About.com
	General Chemistry site - Frostburg
	Chemistry resources online - This site lists various online chemistry resources including lecture notes
	Amazing structure and properties of Water : an excellent site that lists various properties of water with references, as well as interactive structural (requires Chime or ActiveX) and other information.
	Calculus tutorial This is a nice calculus tutorial site.
	Another calculus tutorial site
	Scientific Calculator, Units conversion and more, Scientific Calculator (1),   Graphing scientific calculator (2)
	Financial calculators: A variety of financial calculators for mortgages, etc
	BBC World Report
	Surface Science: This site from Queen Mary University in UK gives description of methods for the study of surfaces - basic theory and experimental methods.
	Spherical Coordinates applet : a spherical coordinates demonstration applet from Johns Hopkins University.
	Cylindrical Coordinates applet