The Micrometer :This is a virtual micrometer that allows you to learn and practice using  a micrometer (Ron Blond 1955 -2015, Thanks for your great work!)
	The Vernier Caliper :This is a virtual vernier caliper for learning and practicing the use of the vernier caliper (Ron Blond 1955 -2015)
	Motion with constant acceleration:
	Vector addition: This applet is a simulation of the Vector Addition lab at CCSU
	Vector addition: this site has a feature for adding up vectors and other advanced vector operations
	Resultant force (vector addition)
	Projectile motion: This is great for both lab and class
	Projectile motion: This is another very nice simulation from PhET. Excellent for both class and lab
	Energy Conservation: Another nice PhET simulation
	Conservation of Linear Momentum: you can experiment with linear momentum conservation here (elastic and inelastic collisions)
	Buoyant forces (Archimedes Principle): experiment with forces acting on a body  partially or completely submerged in a fluid. You can vary liquid density etc.
	PhET Site:This site from which the Energy Conservation link is from, contains a number of useful interactive simulations for Physics, Chemistry, Math etc.
	Uniform Circular motion: This applet shows relationship between a harmonic oscillator and uniform circular motion
	Simple Pendulum (SHM)
	Motion of a Spring (SHM)
	Standing Waves: This applet shows reflected waves forming standing waves (Walter Fendt's collection)
	Longitudinal Waves:Applet that show reflected waves with options for open and closed ends (Walter Fendt's collection)
	Resonance  : a nice interactive simulation from ophysics.com

Electricity & Magnetism, Light
 

	Electric Fields: This is a nice interactive site that allows you to simulate electric field lines, equipotential lines etc for various charge distributions.
	Charges and Fields (PhET): interactive charges, fields, potentials etc
	Balloons and Electrostatics (PhET): simulation of and example of the electrostatic charging process.
	Millikan Oil Drop Experiment: Simulation of Millikan's experiment that showed that charge is quantized
	Circuits (PhET): Circuit building applet - Ohm's Law, Kirchoff's rules etc
	Circuits 2: A nice simulation for learning series, parallel circuits etc
	Capacitors: This applet is for addition of capacitors in series and in parallel
	RC Circuit: an applet by Pearson Publishing
	Potentiometer This applet simulates the potentiometer, great for both lab and class
	Wheatstone Bridge : A nice applet, may be used in both class and lab
	Magnetic Field of a bar magnet: interactive animation of magnetic fields of a bar magnet using a compass.
	Magnetic Field of a straight Current carrying wire: interactive animation of the magnetic fields due to a straight current carrying wire.
	D.C. Motor:  a simulation of a DC motor.
	Generator
	Lenz's Law
	Faraday's law: A simulation of lab demo
	Faraday's Law (PhET)  : Comprehensive simulations of Faraday's law
	Virtual Oscilloscope: This is a very nice simulation of an oscilloscope. Double clicking on any part gives detailed descriptions functions.
	LRC Circuit: This from a collection of applets by C. K. Ng
	A.C. Circuits: interactive animation of AC circuits of a resistor, capacitor and an inductor.
	Electromagnetic Spectrum A pictorial view of EM spectrum from MicroWorlds
	Refraction of light A nice interactive simulation that shows refraction of light from one medium to another
	Refraction of Light: A nice interactive simulation from PhET
	Reflection and Refraction (Explanation using Huygens' principle)
	Fiber Optics  : simulation of total internal reflection in
	Mirrors and Lenses This site has a nice interactive lenses,  and  mirrors simulations with numerical values for image/object positions as well as magnification
	Lenses and Mirrors  This is a PhET simulation of lenses
	Young's Double Slit: another nice applet from Walter Fendt's collection. It is an interactive simulation of the double slit experiment.
	Dispersion of light : Applet showing dispersion of light through a prism
	LC Oscillator:  This simulates and LC Oscillato, from javalab.org

General use resources

	Units converter: This simulations allows you to convert all kinds of physical units. Please make sure you know how to convert units and then use this simulation for routine work
	Calculators: This is a link to www.calculator.com which has a number of online calculators.
	Resistance color code calculator: A site for learning how to read the color code of resistors, among other electronic related stuff.
	Quadratic equation solver: This site (www.math.com) has a quadratic equation solver plus more math tools.
	Quadratic function: Applet shows how the various parameters affect the quadratic function
	Speed of Sound in air:  This gives the speed of sound in air as a function of temperature
	Densities of common substances