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Optical Quantum Control
Unrestricted Use
CC BY
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Explore an active area of research in optical physics: producing designer pulse shapes to achieve specific purposes, such as breaking apart a molecule. Carefully create the perfect shaped pulse to break apart a molecule by individually manipulating the colors of light that make up a pulse.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Chris Malley
Malley, Chris
McKagan, Sam
PhET Interactive Simulations
Sam McKagan
Wieman, Carl
Date Added:
11/01/2005
Optical Tweezers and Applications
Unrestricted Use
CC BY
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Did you ever imagine that you can use light to move a microscopic plastic bead? Explore the forces on the bead or slow time to see the interaction with the laser's electric field. Use the optical tweezers to manipulate a single strand of DNA and explore the physics of tiny molecular motors. Can you get the DNA completely straight or stop the molecular motor?

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Adams, Wendy
Archie Paulson
Chris Malley
Dubson, Michael
Kathy Perkins
Malley, Chris
Michael Dubson
Paulson, Archie
Perkins, Kathy
Perkins, Thomas
PhET Interactive Simulations
Thomas Perkins
Wendy Adams
Date Added:
08/01/2007
Pendulum Lab
Unrestricted Use
CC BY
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0.0 stars

Play with one or two pendulums and discover how the period of a simple pendulum depends on the length of the string, the mass of the pendulum bob, and the amplitude of the swing. It's easy to measure the period using the photogate timer. You can vary friction and the strength of gravity. Use the pendulum to find the value of g on planet X. Notice the anharmonic behavior at large amplitude.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Dubson, Michael
Loeblein, Trish
Michael Dubson
PhET Interactive Simulations
Trish Loeblein
Date Added:
10/27/2008
PhET Simulation: Estimation
Unrestricted Use
CC BY
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This interactive Flash animation allows students to explore size estimation in one, two and three dimensions. Multiple levels of difficulty allow for progressive skill improvement. In the simplest level, users estimate the number of small line segments that can fit into a larger line segment. Intermediate and advanced levels offer feature games that explore area of rectangles and circles, and volume of spheres and cubes. Related lesson plans and student guides are available for middle school and high school classroom instruction. Editor's Note: When the linear dimensions of an object change by some factor, its area and volume change disproportionately: area in proportion to the square of the factor and volume in proportion to its cube. This concept is the subject of entrenched misconception among many adults. This game-like simulation allows kids to use spatial reasoning, rather than formulas, to construct geometric sense of area and volume. This is part of a larger collection developed by the Physics Education Technology project (PhET).

Subject:
Education
Mathematics
Physical Science
Physics
Material Type:
Activity/Lab
Interactive
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Excellence Center of Science and Mathematics Education at King Saud University
Michael Dubson
Mindy Gratny
National Science Foundation
O'Donnell Foundation
PhET
PhET Interactive Simulations
PhET at University of Colorado
Physics Education Technology Project
The William and Flora Hewlett Foundation
Wireless Generation
Date Added:
01/22/2006
Photoelectric Effect
Unrestricted Use
CC BY
Rating
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See how light knocks electrons off a metal target, and recreate the experiment that spawned the field of quantum mechanics.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Danielle Harlow
Harlow, Danielle
Kathy Perkins
LeMaster, Ron
McKagan, Sam
Perkins, Kathy
PhET Interactive Simulations
Ron LeMaster
Sam McKagan
Wieman, Carl
Date Added:
09/10/2006
Plate Tectonics
Unrestricted Use
CC BY
Rating
0.0 stars

Explore how plates move on the surface of the earth. Change temperature, composition, and thickness of plates. Discover how to create new mountains, volcanoes, or oceans!

Subject:
Earth and Space Science
Geology
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Emily Moore
Heather Houlton
Jonathan Olson
Kat Quigley
Kathy Perkins
Kevin Beals
Lauren Brodsky
Noah Podolefsky
PhET Interactive Simulations
Phaela Peck
Suzy Loper
Date Added:
08/20/2012
Plinko Probability
Unrestricted Use
CC BY
Rating
0.0 stars

The students will play a classic game from a popular show. Through this they will see the probabilty that the ball will land each of the numbers with more accurate results coming from repeated testing.

Subject:
Mathematics
Statistics and Probability
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Michael Dubson
PhET Interactive Simulations
PhET at University of Colorado
Date Added:
11/16/2007
Projectile Motion
Unrestricted Use
CC BY
Rating
0.0 stars

Blast a Buick out of a cannon! Learn about projectile motion by firing various objects. Set the angle, initial speed, and mass. Add air resistance. Make a game out of this simulation by trying to hit a target.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Adams, Wendy
Dubson, Michael
Michael Dubson
PhET Interactive Simulations
Wendy Adams
Date Added:
04/07/2006
Quantum Bound States
Unrestricted Use
CC BY
Rating
0.0 stars

Explore the properties of quantum "particles" bound in potential wells. See how the wave functions and probability densities that describe them evolve (or don't evolve) over time.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Chris Malley
Kathy Perkins
Malley, Chris
McKagan, Sam
Perkins, Kathy
PhET Interactive Simulations
Sam McKagan
Wieman, Carl
Date Added:
10/02/2006
Quantum Tunneling and Wave Packets
Unrestricted Use
CC BY
Rating
0.0 stars

Watch quantum "particles" tunnel through barriers. Explore the properties of the wave functions that describe these particles.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Chris Malley
Kathy Perkins
Malley, Chris
McKagan, Sam
PhET Interactive Simulations
Sam McKagan
Wieman, Carl
perkins, Kathy
Date Added:
08/28/2006
Quantum Wave Interference
Unrestricted Use
CC BY
Rating
0.0 stars

When do photons, electrons, and atoms behave like particles and when do they behave like waves? Watch waves spread out and interfere as they pass through a double slit, then get detected on a screen as tiny dots. Use quantum detectors to explore how measurements change the waves and the patterns they produce on the screen.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Adams, Wendy
Carl Wieman
Danielle Harlow
Harlow, Danielle
Kathy Perkins
McKagan, Sam
Perkins, Kathy
PhET Interactive Simulations
Reid, Sam
Sam McKagan
Sam Reid
Wendy Adams
Wieman, Carl
Date Added:
09/09/2006
Radiating Charge
Unrestricted Use
CC BY
Rating
0.0 stars

The electric field lines from a point charge evolve in time as the charge moves. Watch radiation propagate outward at the speed of light as you wiggle the charge. Stop a moving charge to see bremsstrahlung (braking) radiation. Explore the radiation patterns as the charge moves with sinusoidal, circular, or linear motion. You can move the charge any way you like, as long as you don’t exceed the speed of light.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Ariel Paul
Michael Dubson
PhET Interactive Simulations
Date Added:
02/01/2013
Radio Waves & Electromagnetic Fields
Unrestricted Use
CC BY
Rating
0.0 stars

Broadcast radio waves from KPhET. Wiggle the transmitter electron manually or have it oscillate automatically. Display the field as a curve or vectors. The strip chart shows the electron positions at the transmitter and at the receiver.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Adams, Wendy
Carl Wieman
Dubson, Michael
Kathy Perkins
LeMaster, Ron
Michael Dubson
Noah Podolefsky
Perkins, Kathy
PhET Interactive Simulations
Podolefsky, Noah
Ron LeMaster
Wendy Adams
Wieman, Carl
Date Added:
10/06/2006
Radioactive Dating Game
Unrestricted Use
CC BY
Rating
0.0 stars

Learn about different types of radiometric dating, such as carbon dating. Understand how decay and half life work to enable radiometric dating to work. Play a game that tests your ability to match the percentage of the dating element that remains to the age of the object.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Adams, Wendy
Blanco, John
Carl Wieman
John Blanco
Kathy Perkins
Noah Podolefsky
Perkins, Kathy
PhET Interactive Simulations
Podolefsky, Noah
Wendy Adams
Wieman, Carl
Date Added:
01/01/2009
The Ramp
Unrestricted Use
CC BY
Rating
0.0 stars

Explore forces, energy and work as you push household objects up and down a ramp. Lower and raise the ramp to see how the angle of inclination affects the parallel forces acting on the file cabinet. Graphs show forces, energy and work.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Adams, Wendy
Carl Wieman
Danielle Harlow
Harlow, Danielle
Kathy Perkins
Loeblein, Trish
Perkins, Kathy
PhET Interactive Simulations
Reid, Sam
Sam Reid
Trish Loeblein
Wendy Adams
Woieman, Carl
Date Added:
10/05/2006
Ramp: Forces and Motion
Unrestricted Use
CC BY
Rating
0.0 stars

Explore forces and motion as you push household objects up and down a ramp. Lower and raise the ramp to see how the angle of inclination affects the parallel forces. Graphs show forces, energy and work.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Kathy Perkins
Loeblein, Patricia
Noah Podolefsky
Perkins, Kathy
PhET Interactive Simulations
Podolefsky, Noah
Reid, Sam
Sam Reid
Trish Loeblein
Date Added:
10/01/2010
Reactants, Products and Leftovers
Unrestricted Use
CC BY
Rating
0.0 stars

Create your own sandwich and then see how many sandwiches you can make with different amounts of ingredients. Do the same with chemical reactions. See how many products you can make with different amounts of reactants. Play a game to test your understanding of reactants, products and leftovers. Can you get a perfect score on each level?

Subject:
Chemistry
Physical Science
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Adams, Wendy
ChemEd DL
Chris Malley
Kathy Perkins
Kelly Lancaster
Lancaster, Kelly
Loeblein, Patricia
Malley, Chris
Parson, Robert
Patricia Loeblein
Perkins, Kathy
PhET Interactive Simulations
PhET Interactive Simulations Project at the University of Colorado
Robert Parson
Wendy Adams
Date Added:
03/01/2010
Reactions & Rates
Unrestricted Use
CC BY
Rating
0.0 stars

Explore what makes a reaction happen by colliding atoms and molecules. Design experiments with different reactions, concentrations, and temperatures. When are reactions reversible? What affects the rate of a reaction?

Subject:
Chemistry
Physical Science
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Gratny, Mindy
Kathy Perkins
Kock, Linda
LeMaster, Ron
Linda Koch
Loeblein, Trish
Mindy Gratny
Perkins, Kathy
PhET Interactive Simulations
Ron LeMaster
Trish Loeblein
Date Added:
11/15/2007
Resistance in a Wire
Unrestricted Use
CC BY
Rating
0.0 stars

Learn about the physics of resistance in a wire. Change its resistivity, length, and area to see how they affect the wire's resistance. The sizes of the symbols in the equation change along with the diagram of a wire.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Adams, Wendy
Dubson, Michael
Gratny, Mindy
Michael Dubson
Mindy Gratny
PhET Interactive Simulations
Wendy Adams
Date Added:
11/16/2007
Resonance
Unrestricted Use
CC BY
Rating
0.0 stars

For advanced undergraduate students: Observe resonance in a collection of driven, damped harmonic oscillators. Vary the driving frequency and amplitude, the damping constant, and the mass and spring constant of each resonator. Notice the long-lived transients when damping is small, and observe the phase change for resonators above and below resonance.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Dubson, Michael
Gratny, Mindy
Jonathan Olson
Kathy Perkins
Loeblein, Patricia
Michael Dubson
Mindy Gratny
Olson, Jonathan
Patricia Loeblein
Perkins, Kathy
PhET Interactive Simulations
Date Added:
07/20/2011