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  • University of Colorado Boulder
Acid-Base Solutions
Unrestricted Use
CC BY
Rating
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How do strong and weak acids differ? Use lab tools on your computer to find out! Dip the paper or the probe into solution to measure the pH, or put in the electrodes to measure the conductivity. Then see how concentration and strength affect pH. Can a weak acid solution have the same pH as a strong acid solution?

Subject:
Chemistry
Physical Science
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Chris Malley
Kathy Perkins
Kelly Lancaster
Lancaster, Kelly
Loeblein, Patricia
Malley, Chris
Parson, Robert
Patricia Loeblein
Perkins, Kathy
PhET Interactive Simulations
Robert Parson
Date Added:
09/01/2010
Alpha Decay
Unrestricted Use
CC BY
Rating
0.0 stars

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

Subject:
Physical 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
Perkins, Kathy
Ron LeMaster
Sam McKagan
Wendy Adams
Date Added:
07/21/2011
Alpha Decay (AR)
Unrestricted Use
CC BY
Rating
0.0 stars

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

Subject:
Physical 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
Perkins, Kathy
Ron LeMaster
Sam McKagan
Wendy Adams
Date Added:
09/02/2012
Arithmetic
Unrestricted Use
CC BY
Rating
0.0 stars

Remember your multiplication tables? ... me neither. Brush up on your multiplication, division, and factoring skills with this exciting game. No calculators allowed! The students will be given mutiplication and division problems which they must answer. They also have the option of being given a number then stating the factors of how that number was attained using either multiplication or division.

Subject:
Mathematics
Numbers and Operations
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Date Added:
05/01/2006
Arithmetic (AR)
Unrestricted Use
CC BY
Rating
0.0 stars

Remember your multiplication tables? ... me neither. Brush up on your multiplication, division, and factoring skills with this exciting game. No calculators allowed!

Subject:
Mathematics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Dubson, Michael
Loeblein, Trish
Date Added:
05/02/2010
Atomic Interactions
Unrestricted Use
CC BY
Rating
0.0 stars

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
Physical Science
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
0.0 stars

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
Physical Science
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Adams, Wendy
Barbera, Jack
Blanco, John
Lancaster, Kelly
Perkins, Kathy
Podolefsky, Noah
Wieman, Carl
Date Added:
08/01/2009
Balancing Act
Unrestricted Use
CC BY
Rating
0.0 stars

Play with objects on a teeter totter to learn about balance. Test what you've learned by trying the Balance Challenge game.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Ariel Paul
John Blanco
Kathy Perkins
Michael Dubson
PhET Interactive Simulations
Trish Loeblein
Date Added:
04/24/2012
Balancing Chemical Equations
Unrestricted Use
CC BY
Rating
0.0 stars

How do you know if a chemical equation is balanced? What can you change to balance an equation? Play a game to test your ideas!

Subject:
Chemistry
Physical Science
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Chris Malley
Emily Moore
Kathy Perkins
Kelly Lancaster
Lancaster, Kelly
Loeblein, Patricia
Malley, Chris
Moore, Emily
Parson, Robert
Patricia Loeblein
Perkins, Kathy
PhET Interactive Simulations
Robert Parson
Date Added:
08/15/2011
Balloons & Buoyancy
Unrestricted Use
CC BY
Rating
0.0 stars

Experiment with a helium balloon, a hot air balloon, or a rigid sphere filled with different gases. Discover what makes some balloons float and others sink.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
Danielle Harlow
Kathy Perkins
PhET Interactive Simulations
Ron LeMaster
Date Added:
11/15/2007
Balloons & Buoyancy (AR)
Unrestricted Use
CC BY
Rating
0.0 stars

Experiment with a helium balloon, a hot air balloon, or a rigid sphere filled with different gases. Discover what makes some balloons float and others sink.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Harlow, Danielle
LeMaster, Ron
Perkins, Kathy
Wieman, Carl
Date Added:
07/02/2009
Balloons and Static Electricity
Unrestricted Use
CC BY
Rating
0.0 stars

Students explore static electricity by rubbing a simulated balloon on a sweater. As they view the charges in the sweater, balloon, and adjacent wall, they gain an understanding of charge transfer. This item is part of a larger collection of simulations developed by the Physics Education Technology project (PhET). The simulations are animated, interactive, and game-like environments.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
PhET Interactive Simulations
Sam Reid
Wendy Adams
Date Added:
10/06/2006
Balloons and Static Electricity (AR)
Unrestricted Use
CC BY
Rating
0.0 stars

Why does a balloon stick to your sweater? Rub a balloon on a sweater, then let go of the balloon and it flies over and sticks to the sweater. View the charges in the sweater, balloons, and the wall.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Adams, Wendy
Reid, Sam
Date Added:
07/02/2008
Band Structure
Unrestricted Use
CC BY
Rating
0.0 stars

Explore the origin of energy bands in crystals of atoms. The structure of these bands determines how materials conduct electricity.

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:
10/04/2006
Band Structure (AR)
Unrestricted Use
CC BY
Rating
0.0 stars

Explore the origin of energy bands in crystals of atoms. The structure of these bands determines how materials conduct electricity.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Malley, Chris
McKagan, Sam
Perkins, Kathy
Wieman, Carl
Date Added:
07/02/2010
Battery-Resistor Circuit
Unrestricted Use
CC BY
Rating
0.0 stars

Look inside a resistor to see how it works. Increase the battery voltage to make more electrons flow though the resistor. Increase the resistance to block the flow of electrons. Watch the current and resistor temperature change.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
PhET Interactive Simulations
Reid, Sam
Sam Reid
Wieman, Carl
Date Added:
11/20/2008
Battery Voltage
Unrestricted Use
CC BY
Rating
0.0 stars

Look inside a battery to see how it works. Select the battery voltage and little stick figures move charges from one end of the battery to the other. A voltmeter tells you the resulting battery voltage.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Carl Wieman
PhET Interactive Simulations
Reid, Sam
Sam Reid
Wieman, Carl
Date Added:
11/16/2007
Battery Voltage (AR)
Unrestricted Use
CC BY
Rating
0.0 stars

Look inside a battery to see how it works. Select the battery voltage and little stick figures move charges from one end of the battery to the other. A voltmeter tells you the resulting battery voltage.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Reid, Sam
Wieman, Carl
Date Added:
07/02/2008
Beer's Law Lab
Unrestricted Use
CC BY
Rating
0.0 stars

The PhET project at the University of Colorado creates "fun, interactive, research-based simulations of physical phenomena." This particular one deals with Beer's Law. "The thicker the glass, the darker the brew, the less the light that passes through." Make colorful concentrated and dilute solutions and explore how much light they absorb and transmit using a virtual spectrophotometer! The simulation is also paired with a teachers' guide and related resources from PhET. The simulation is also available in multiple languages.

Subject:
Chemistry
Physical Science
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Chris Malley
Emily B. Moore
Julia Chamberlain
Kathy Perkins
Kelly Lancaster
PhET Interactive Simulations
Date Added:
05/14/2012