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  • PhET Interactive Simulations University of Colorado Boulder
Bending Light
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Explore bending of light between two media with different indices of refraction. See how changing from air to water to glass changes the bending angle. Play with prisms of different shapes and make rainbows.

Subject:
Science
Physics
Material Type:
Interactive
Provider:
PhET Interactive Simulations University of Colorado Boulder
Author:
Emily Moore
Kathy Perkins
Noah Podolefsky
Sam Reid
Trish Loeblein
University of Colorado at Boulder
Date Added:
05/09/2011
Blackbody Spectrum
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How does the blackbody spectrum of the sun compare to visible light? Learn about the blackbody spectrum of Sirius A, the sun, a light bulb, and the earth. Adjust the temperature to see the wavelength and intensity of the spectrum change. View the color of the peak of the spectral curve. (Phys 3.3)

Subject:
Science
Physics
Material Type:
Interactive
Provider:
PhET Interactive Simulations University of Colorado Boulder
Author:
Kathy Perkins
Michael Dubson
Wendy Adams
Date Added:
11/15/2007
Charges and Fields
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Arrange positive and negative charges in space and view the resulting electric field and electrostatic potential. Plot equipotential lines and discover their relationship to the electric field. Create models of dipoles, capacitors, and more!

Subject:
Science
Physics
Material Type:
Interactive
Provider:
PhET Interactive Simulations University of Colorado Boulder
Author:
Michael Dubson
Date Added:
11/20/2008
Circuit Construction Kit: DC
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Experiment with an electronics kit! Build circuits with batteries, resistors, ideal and non-Ohmic light bulbs, fuses, and switches. Determine if everyday objects are conductors or insulators, and take measurements with an ammeter and voltmeter. View the circuit as a schematic diagram, or switch to a lifelike view.

Subject:
Science
Physics
Material Type:
Interactive
Provider:
PhET Interactive Simulations University of Colorado Boulder
Author:
Carl Wieman
Kathy Perkins
Michael Dubson
Sam Reid
Wendy Adams
Date Added:
06/15/2005
Collision Lab
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Investigate simple collisions in 1D and more complex collisions in 2D. Experiment with the number of balls, masses, and initial conditions. Vary the elasticity and see how the total momentum and kinetic energy change during collisions.

Subject:
Science
Physics
Material Type:
Interactive
Provider:
PhET Interactive Simulations University of Colorado Boulder
Author:
Ariel Paul
Jon Olson
Kathy Perkins
Mike Dubson
Mindy Gratny
Sam Reid
Trish Loeblein
Date Added:
10/01/2010
Color Vision
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Make a whole rainbow by mixing red, green, and blue light. Change the wavelength of a monochromatic beam or filter white light. View the light as a solid beam, or see the individual photons.

Subject:
Science
Biology
Material Type:
Interactive
Provider:
PhET Interactive Simulations University of Colorado Boulder
Author:
Carl Wieman
Chris Malley
Danielle Harlow
Kathy Perkins
Ron LeMaster
Wendy Adams
Date Added:
10/30/2006
Coulomb's Law
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Visualize the electrostatic force that two charges exert on each other. Observe how changing the sign and magnitude of the charges and the distance between them affects the electrostatic force.

Subject:
Science
Physics
Material Type:
Interactive
Provider:
PhET Interactive Simulations University of Colorado Boulder
Author:
University of Colorado Boulder
Date Added:
12/04/2020
Energy Forms and Changes
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Explore how heating and cooling iron, brick, water, and olive oil adds or removes energy. See how energy is transferred between objects. Build your own system, with energy sources, changers, and users. Track and visualize how energy flows and changes through your system.

Subject:
Science
Material Type:
Interactive
Provider:
PhET Interactive Simulations University of Colorado Boulder
Author:
Ariel Paul
Emily Moore
John Blanco
Kathy Perkins
Noah Podolefsky
Trish Loeblein
Date Added:
04/25/2013
Energy Skate Park
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Learn about the conservation of energy at the skate park! Build tracks, ramps, and jumps for the skater. View the skater's kinetic energy, potential energy, and thermal energy as they move along the track. Measure the speed and adjust the friction, gravity, and mass.

Subject:
Science
Physics
Material Type:
Interactive
Provider:
PhET Interactive Simulations University of Colorado Boulder
Author:
Carl Wieman
Danielle Harlow
Kathy Perkins
Michael
Michael Dubson
Sam Reid
Trish Loeblein
Wendy Adams
Date Added:
10/03/2006
Energy Skate Park: Basics
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Learn about conservation of energy with a skater gal! Explore different tracks and view the kinetic energy, potential energy and friction as she moves. Build your own tracks, ramps, and jumps for the skater.

Subject:
Science
Physics
Material Type:
Interactive
Provider:
PhET Interactive Simulations University of Colorado Boulder
Author:
Ariel Paul
Emily B Moore
Katherine Perkins
Noah Podolefsky
Sam Reid
Trish Loeblein
Date Added:
01/31/2012
Forces and Motion: Basics
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Explore the forces at work when pulling against a cart, and pushing a refrigerator, crate, or person. Create an applied force and see how it makes objects move. Change friction and see how it affects the motion of objects.

Subject:
Science
Physics
Material Type:
Interactive
Provider:
PhET Interactive Simulations University of Colorado Boulder
Author:
Ariel Paul
Kathy Perkins
Noah Podolefsky
Sam Reid
Trish Loeblein
Date Added:
10/24/2012
Gas Properties
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Pump gas molecules to a box and see what happens as you change the volume, add or remove heat, and more. Measure the temperature and pressure, and discover how the properties of the gas vary in relation to each other. Examine kinetic energy and speed histograms for light and heavy particles. Explore diffusion and determine how concentration, temperature, mass, and radius affect the rate of diffusion.

Subject:
Science
Chemistry
Material Type:
Interactive
Provider:
PhET Interactive Simulations University of Colorado Boulder
Author:
Carl Wieman
Danielle Harlow
Jack Barbera
Kathy Perkins
Linda Koch
Michael Dubson
Ron LeMaster
Date Added:
10/05/2006
Gravity Force Lab
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Visualize the gravitational force that two objects exert on each other. Adjust properties of the objects to see how changing the properties affects the gravitational attraction. (Phys 3.1, 3.3, 3.4)

Subject:
Science
Physics
Material Type:
Interactive
Provider:
PhET Interactive Simulations University of Colorado Boulder
Author:
Carl Wieman
Noah Podolefsky
Sam Reid
Trish Loeblein
Date Added:
11/12/2010