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  • Kathy Perkins
Alpha Decay
Unrestricted Use
CC BY
Rating

Watch alpha particles escape from a polonium nucleus, causing radioactive alpha decay. See how random decay times relate to the half life.

Subject:
Science
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Danielle Harlow
John Blanco
Kathy Perkins
Noah Podolefsky
Ron LeMaster
Sam McKagan
Wendy Adams
Date Added:
07/21/2011
Alpha Decay (AR)
Unrestricted Use
CC BY
Rating

Watch alpha particles escape from a polonium nucleus, causing radioactive alpha decay. See how random decay times relate to the half life.

Subject:
Science
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Danielle Harlow
John Blanco
Kathy Perkins
Noah Podolefsky
Ron LeMaster
Sam McKagan
Wendy Adams
Date Added:
09/02/2012
Area Builder
Unrestricted Use
CC BY
Rating

Create your own shapes using colorful blocks and explore the relationship between perimeter and area. Compare the area and perimeter of two shapes side-by-side. Challenge yourself in the game screen to build shapes or find the area of funky figures. Try to collect lots of stars!

Subject:
Mathematics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Amanda McGarry
Ariel Paul
Beth Stade
Bryce Gruneich
John Blanco
Karina Hensberry (lead)
Kathy Perkins
Date Added:
06/29/2018
Area Model Algebra
Unrestricted Use
CC BY
Rating

Build rectangles of various sizes and relate multiplication to area. Discover new strategies for multiplying algebraic expressions. Use the game screen to test your multiplication and factoring skills!

Subject:
Mathematics
Material Type:
Diagram/Illustration
Game
Interactive
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Amanda McGarry (co-lead)
Amy Hanson (lead designer)
Ariel Paul
Diana Lopez Tavares (artwork)
Jonathan Olson (developer)
Karina Hensberry
Kathy Perkins
Mariah Hermsmeyer (artwork)
Susan Miller
Date Added:
06/29/2018
Atomic Interactions
Unrestricted Use
CC BY
Rating

Explore the interactions between various combinations of two atoms. Turn on the force arrows to see either the total force acting on the atoms or the individual attractive and repulsive forces. Try the "Adjustable Attraction" atom to see how changing the parameters affects the interaction.

Subject:
Chemistry
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Jack Barbera
John Blanco
Kathy Perkins
Kelly Lancaster
Noah Podolefsky
Wendy Adams
Date Added:
08/01/2009
Atomic Interactions (AR)
Unrestricted Use
CC BY
Rating

Explore the interactions between various combinations of two atoms. Turn on the force arrows to see either the total force acting on the atoms or the individual attractive and repulsive forces. Try the "Adjustable Attraction" atom to see how changing the parameters affects the interaction.

Subject:
Chemistry
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Jack Barbera
John Blanco
Kathy Perkins
Kelly Lancaster
Noah Podolefsky
Wendy Adams
Date Added:
08/01/2009
Bending Light
Restricted Use
Copyright Restricted
Rating

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
Restricted Use
Copyright Restricted
Rating

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
Build-a-fraction
Unrestricted Use
CC BY
Rating

Build fractions from shapes and numbers to earn stars in this fractions game or explore in the Fractions Lab. Challenge yourself on any level you like. Try to collect lots of stars!

Subject:
Mathematics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Ariel Paul
Karina Hensberry
Kathy Perkins
Mike Dubson
Sam Reid
Trish Loeblein
Date Added:
10/17/2012
Buoyancy
Unrestricted Use
CC BY
Rating

When will objects float and when will they sink? Learn how buoyancy works with blocks. Arrows show the applied forces, and you can modify the properties of the blocks and the fluid.

Subject:
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Archie Paulson
Carl Wieman
Chris Malley
Jonathan Olson
Kathy Perkins
Kelly Lancaster
Noah Podolefsky
Sam Reid
Trish Loeblein
Wendy Adams
Date Added:
09/30/2010
Buoyancy (AR)
Unrestricted Use
CC BY
Rating

When will objects float and when will they sink? Learn how buoyancy works with blocks. Arrows show the applied forces, and you can modify the properties of the blocks and the fluid.

Subject:
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Archie Paulson
Carl Wieman
Chris Malley
Jonathan Olson
Kathy Perkins
Kelly Lancaster
Noah Podolefsky
Patricia Loblein
Sam Reid
Wendy Adams
Date Added:
10/01/2010
Capacitor Lab
Unrestricted Use
CC BY
Rating

Explore how a capacitor works! Change the size of the plates and add a dielectric to see how it affects capacitance. Change the voltage and see charges built up on the plates. Shows the electric field in the capacitor. Measure voltage and electric field.

Subject:
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Chris Malley
Kathy Perkins
Mike Dubson
Noah Podolefsky
Date Added:
06/29/2018
Circuit Construction Kit (AC+DC)
Unrestricted Use
CC BY
Rating

This new version of the CCK adds capacitors, inductors and AC voltage sources to your toolbox! Now you can graph the current and voltage as a function of time.

Subject:
Technology and Engineering Education
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Kathy Perkins
Michael Dubson
Sam Reid
Date Added:
07/12/2008