Web Links Physics

Shown below are websites related to Physics. There is a separate listing of Astronomy websites that may also be of interest.

Measurement Topics
    Significant Figures Calculator - Interactive calculator with significant digit capabilities and information
    NIST - Constants, Units, and Uncertainty from the National Institue of Standards and Technology
    Unit Conversions Tutorial - Interactive dimensional analysis (factor label method)
    NIST Clock - Official Time from the National Institue of Standards and Technology (referenced to atomic clocks)
    Scale of Universe - Interactive animation with powers of ten
    Powers of Ten - Images zooming in by factor of ten; good "order of magnitude" demonstration
Kinematics
    The Moving Man - PhET Interactive Java simulation
Vectors & 2D Motion
    Vector Addition - PhET Interactive HTML5 simulation
    Projectile Motion - PhET Interactive HTML5 simulation
    2D Motion - PhET Interactive Java simulation
    Frames of Reference - A classic physics video!
Forces
    net Force - PhET Interactive
    Forces in 1 Dimension - PhET Interactive Java simulation
    Friction - PhET Interactive simulation of atomic interaction
    Forces & Motion - PhET Interactive Java simulation, includes robot game!
    Lunar Lander - PhET Interactive Flash simulation
    The Ramp - Phet Interactive Java simulation
Rotation, Circular Motion, and Gravity
    Gravity Force Lab - interactive simulation of universal gravitation
    Stuff in Space - interactive Earth satellite simulation and viewer
    Heavens Above - Satellite Tracking and Sightings
    My Solar System - PhET Interactive - make your own planetary system
    Gravity and Orbits - PhET Interactive HTML5 simulation of Earth, Moon, Sun, and Satellites
    Kepler's Laws - interactive PhET simulation
    Orbital Rendezvous - Interactive Javascript simulation and "game" @ Falstad
    Gravity Simulator - Interactive gravity simulation from TestTubeGames
    The Planets Today - Interactive Animations and Information
    Solar System Dynamics - Solar System planetary bodies
    JPL Horizons - Solar System planetary ephemeris generator
    CNEOS Sentry - Near Earth Objects & impact monitoring
    Planetary Motion - Interactive applet for simulating orbits and illustrating Kepler's Laws
    Central Force Rⁿ - "experiment" with universal gravitation and simulate effect on orbit
    Foucault Pendulums - evidence of Earth's rotation
    Tides Explained - info, diagrams, animation
    Balancing Act - simulation of a teeter-totter
Conservation of Energy and Momentum
    Energy Skate Park - PhET Rollercoaster simulation HTML5 (Simplified Version)
    Energy Skate Park Full - PhET Interactive Java simulation
    Masses and Springs - PhET Interactive simulation HTML5
    Pendulum Lab - PhET interactive simulation HTML5
    Friction and Heat - PhET Interactive Flash simulation
    Collision Lab - PhET Interactive Flash simulation illustrating momentum
    States of Matter - PhET interactive (see especially the "Interaction" part) HTML5
Waves and Optics
    Wave on a String - PhET Interactive HTML5 simulation
    Wave on a String - PhET Interactive Flash simulation
    Radio Waves & EMR - PhET Interactive Java simulation
    Radiating Charge - PhET Flash simulation electric field waves
    Electromagnetic Waves - oPhysics Geogebra simulation
    Wave Interference - PhET HTML5 simulation
    Thin Film Interference - oPhysics Geogebra simulation
    Plane Mirror Images - oPhysics Geogebra simulation
    Bending Light - PhET Interactive HTML5 simulation
    Reflection & Refraction - Huygens' principle
    Rainbow 2D - oPhysics Geogebra simulation
    Rainbow 3D - oPhysics Geogebra simulation
    Ray Tracing - Freeware online simulation
    Concave & Convex Mirrors - oPhysics Geogebra simulation
    Concave & Convex Lenses - oPhysics Geogebra simulation
    Geometric Optics - PhET Interactive HTML5 simulation
Fluids and Thermodynamics
    Density and Buoyancy - PhET simulation of masses placed in water
    Density and Buoyancy - oPhysics Geogebra simulation variable fluid properties
    Bernoulli Equation - oPhysics Geogebra simulation fluid dynamics
    Ideal Gas Kinetic Theory - Interactive Javascript simulation @ Falstad
    Ideal Gas Laws - PhET simulation emphasizing PV=nRT
    Gas Properties - PhET simulation ideal gas in container with adjustable parameters
    States of Matter - PhET interactive with PT diagram, phase change, etc.
    Heat Engines - Interactive Javascript simulation @ Falstad
Electrostatics
    John Travoltage - PhET Interactive HTML5 simulation
    Balloons and Charge - PhET Interactive HTML5 simulation
    Coulomb's Law - PhET Interactive HTML5 simulation
    Millikan Oil Drop Experiment Interactive Geogebra simulation
    Electric Field Simulations & Game - from Ithaca College
    Electric Field Lines Zahniser Interactive Java Applet illustrating fields of point sources
    Electric Field Lines & Potentials Interactive Flash simulation
    Electric Field Lines M Interactive Java Applet drawing field lines for two point charges
    Charges and Fields - PhET Interactive HTML5 simulation
    Electric Field Hockey - PhET Interactive Java simulation
    Electric Field Hockey - The Physics Classroom (a simplified version)
    Electric Field of Dreams - PhET Interactive Java simulation
    2D Electric Fields and Potentials - Interactive Javascript simulation @ Falstad
    2D Electric Fields - Interactive Javascript simulation @ Falstad
    3D Electric Fields - Interactive Javascript simulation @ Falstad
    Cal Tech Java Applets - Set of programs concerning electricity and magnetism, and relativity
    MIT E&M 8.02 - shockwave and java animations concerning electricity and magnetism
Circuits
    Battery University - Everything you could ever want to know about batteries!
    Battery Chemistry - Good animations and explanation of typical chemical reactions in a battery
    Ohm's Law - PhET Interactive Flash simulation
    Battery Voltage - PhET Interactive Java simulation
    Battery & Resistor Circuit - PhET Interactive Java simulation
    Resistance in a Wire - PhET Interactive HTML5 simulation
    DC Circuit Construction - Virtual Lab - PhET Interactive HTML5
    DC Circuit Construction Kit - PhET Interactive Java simulation
    AC Circuit Construction - Virtual Lab - PhET Interactive HTML5
    AC Circuit Construction Kit - PhET Interactive Java simulation
    Capacitor Lab Basics - PhET Interactive HTML5 simulation
    Capacitor Lab - PhET Interactive Java simulation, more tools and includes series and parallel capacitors
Magnetism
    Magnetic Field of Bar Magnet - Interactive mapping
    Charged Particle in Magnetic Field - oPhysics interactive simulation
    Magnetic Field of a Wire - Interactive mapping
    DC Electric Motor - Interactive simulation
    Electric Motor - Interactive Javascript simulation @ Falstad
    DC Electric Motor - oPhysics interactive simulation
    3D Magnetic Fields - Interactive Javascript simulation @ Falstad
    Electromagnetic Lab - PhET interactive simulations
    Faraday's Law - PhET interactive simulation with emphasis on flux
    Electromagnetic Induction - oPhysics interactive simulation - coil and magnet
    Electric Generator - Interactive simulation
    Electric Generator - Interactive Javascript simulation @ Falstad
    Magnetic Field Calculator - Estimates Earth's magnetic field for any date and location
    MIT E&M 8.02 - shockwave and java animations concerning electricity and magnetism
Modern Physics
    Tables of Nuclear Data - Isotope Mass, Half-life, etc
    Photoelectric Effect - Interactive PhET Java simulation
    Build a Nucleus - Interactive PhET HTML5 simulation, isotopes & decay modes
    Build an Atom - Interactive PhET HTML5 simulation
    Atomic Interactions - Interactive PhET HTML5 simulation
    Isotopes and Atomic Mass - Interactive PhET HTML5 simulation
    RelativityLand - Interactive simulation Special Relativity
Miscellaneous
    Java Lab - various free science simulations that run in a web browser
    The Physics Factbook - "Encyclopedia" of essays - find the horsepower of an aircraft carrier and other such trivia
    Physics Flash Animations - Nice interactive simulations of a variety of physics topics
    PhET - Physics Education Technology (University of Colorado); Flash and Java simulations
    oPhysics - interactive physics simulations on variety of topics by retired physics teacher Tom Walsh
    Walter Fendt's Apps on Physics - HTML5 simulations on variety of topics
    Physlets Problems - Java animated physics problems on various topics
    The Physics Classroom - Tutorials, simulations, etc.
    Intuitor - Interesting tidbits about physics, math, and chess
    Contermorary Physics Education Project - Overview of modern particle physics and cosmology
    Physics and Astronomy Department - University of Tennessee at Knoxville
    The Moon Landings Were Not Faked - debunking the "conspiracy theories" about the Apollo missions
    Graph Paper - free printable graph paper online

Opportunities for Students
    Intel Education Initiative - national "science fair"
    Siemens Foundation - national "science fair"
    Junior Science and Humanities Symposium - national "science fair"
    Southern Appalachian Science and Engineering Fair - regional science fair