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  • Ariel Paul
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
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
Collision Lab
Restricted Use
Copyright Restricted
Rating

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
Energy Forms and Changes
Restricted Use
Copyright Restricted
Rating

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: Basics
Restricted Use
Copyright Restricted
Rating

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
Fluid Pressure and Flow
Unrestricted Use
CC BY
Rating

Explore pressure in the atmosphere and underwater. Reshape a pipe to see how it changes fluid flow speed. Experiment with a leaky water tower to see how the height and water level determine the water trajectory.

Subject:
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Ariel Paul
Kathy Perkins
Noah Podolefsky
Sam Reid
Trish Loeblein
Date Added:
05/29/2012
Forces and Motion: Basics
Restricted Use
Copyright Restricted
Rating

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
Fraction Matcher
Unrestricted Use
CC BY
Rating

Match shapes and numbers to earn stars in this fractions game. Challenge yourself on any level you like. Try to collect lots of stars! The main topics of this interactive simulation include fractions, equivalent fractions, and mixed numbers.

Subject:
Mathematics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Ariel Paul
Kathy Perkins
Mike Dubson
Noah Podolefsky
Sam Reid
Trish Loeblein
Date Added:
06/29/2012
Fractions: Intro
Unrestricted Use
CC BY
Rating

Explore fractions while you help yourself to 1/3 of a chocolate cake and wash it down with 1/2 a glass of orange juice! Create your own fractions using fun interactive objects. Match shapes and numbers to earn stars in the fractions games. 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
Kathy Perkins
Mike Dubson
Sam Reid
Trish Loeblein
Date Added:
08/17/2012
Gene Expression - The Basics
Unrestricted Use
CC BY
Rating

Express yourself through your genes! See if you can generate and collect three types of protein, then move on to explore the factors that affect protein synthesis in a cell.

Subject:
Biology
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Ariel Paul
George Emanuel
John Blanco
Kathy Perkins
Mike Klymkowsky
Tom Perkins
Date Added:
08/20/2012
Graphing Lines
Unrestricted Use
CC BY
Rating

Explore the world of lines. Investigate the relationships between linear equations, slope, and graphs of lines. Challenge yourself in the line game!

Subject:
Mathematics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Ariel Paul
Chris Malley
Karina Hensberry
Kathy Perkins
Patricia Loeblein
Date Added:
02/07/2013
Normal Modes
Unrestricted Use
CC BY
Rating

Play with a 1D or 2D system of coupled mass-spring oscillators. Vary the number of masses, set the initial conditions, and watch the system evolve. See the spectrum of normal modes for arbitrary motion. See longitudinal or transverse modes in the 1D system.

Subject:
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Ariel Paul
Jon Olson
Michael Dubson
Trish Loeblein
Date Added:
05/14/2012
Radiating Charge
Unrestricted Use
CC BY
Rating

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:
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Ariel Paul
Michael Dubson
Date Added:
02/01/2013