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Ohm's Law
Unrestricted Use
CC BY
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See how the equation form of Ohm's law relates to a simple circuit. Adjust the voltage and resistance, and see the current change according to Ohm's law. The sizes of the symbols in the equation change to match the circuit diagram.

Subject:
Career and Technical Education
Technology and Engineering
Material Type:
Activity/Lab
Interactive
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Michael Dubson
Mindy Gratny
Date Added:
11/16/2007
Ohm's Law (AR)
Unrestricted Use
CC BY
Rating
0.0 stars

See how the equation form of Ohm's law relates to a simple circuit. Adjust the voltage and resistance, and see the current change according to Ohm's law. The sizes of the symbols in the equation change to match the circuit diagram.

Subject:
Algebra
Mathematics
Physical Science
Physics
Material Type:
Activity/Lab
Interactive
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Dubson, Michael
Gratny, Mindy
Date Added:
06/02/2008
Optical Tweezers and Applications
Unrestricted Use
CC BY
Rating
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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
Optical Tweezers and Applications (AR)
Unrestricted Use
CC BY
Rating
0.0 stars

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
Dubson, Michael
Malley, Chris
Paulson, Archie
Perkins, Kathy
Perkins, Thomas
Date Added:
08/01/2007
Pendulum Lab
Unrestricted Use
CC BY
Rating
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
Pendulum Lab (AR)
Unrestricted Use
CC BY
Rating
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
Date Added:
07/02/2012
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
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
Projectile Motion (AR)
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
Date Added:
06/02/2008
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
Radio Waves & Electromagnetic Fields (AR)
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
Dubson, Michael
LeMaster, Ron
Perkins, Kathy
Podolefsky, Noah
Wieman, Carl
Date Added:
06/02/2008
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
Resistance in a Wire (AR)
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
Date Added:
06/02/2008
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
Rutherford Scattering
Unrestricted Use
CC BY
Rating
0.0 stars

How did Rutherford figure out the structure of the atom without being able to see it? Simulate the famous experiment in which he disproved the Plum Pudding model of the atom by observing alpha particles bouncing off atoms and determining that they must have a small core.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Adams, Wendy
Carl Wieman
Chris Malley
Dubson, Michael
Kathy Perkins
Malley, Chris
McKagan, Sam
Michael Dubson
Perkins, Kathy
PhET Interactive Simulations
Sam McKagan
Wendy Adams
Wieman, Carl
Date Added:
03/01/2007
Rutherford Scattering (AR)
Unrestricted Use
CC BY
Rating
0.0 stars

How did Rutherford figure out the structure of the atom without being able to see it? Simulate the famous experiment in which he disproved the Plum Pudding model of the atom by observing alpha particles bouncing off atoms and determining that they must have a small core.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Adams, Wendy
Dubson, Michael
Malley, Chris
McKagan, Sam
Perkins, Kathy
Wieman, Carl
Date Added:
03/02/2011
Simplified MRI
Unrestricted Use
CC BY
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Is it a tumor? Magnetic Resonance Imaging (MRI) can tell. Your head is full of tiny radio transmitters (the nuclear spins of the hydrogen nuclei of your water molecules). In an MRI unit, these little radios can be made to broadcast their positions, giving a detailed picture of the inside of your head.

Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Danielle Harlow
Dubson, Michael
Harlow, Danielle
Kathy Perkins
LeMaster, Ron
McKagan, Sam
Michael Dubson
Perkins, Kathy
PhET Interactive Simulations
Ron LeMaster
Sam McKagan
Wieman, Carl
Date Added:
11/16/2007
Stern-Gerlach Experiment
Unrestricted Use
CC BY
Rating
0.0 stars

The classic Stern-Gerlach Experiment shows that atoms have a property called spin. Spin is a kind of intrinsic angular momentum, which has no classical counterpart. When the z-component of the spin is measured, one always gets one of two values: spin up or spin down.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Dubson, Michael
McKagan, Sam
Michael Dubson
PhET Interactive Simulations
Sam McKagan
Wieman, Carl
Date Added:
10/01/2006