Understand how the magnetic field generated by loops of current-carrying wire is used to create measuring devices like voltmeters and ammeters with this interactive simulation. A PDF worksheet and a video tutorial are also available. [2:44]

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Having trouble understanding the energy transfer in heat engines? This simulation allows students to learn about the conversion of heat energy to mechanical energy in the context of heat engine.

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Learn about Newton's 2nd Law - the relationship between force, mass, and acceleration for a hot air balloon using this interactive simulation. A PDF worksheet and a video tutorial are also available. [4:21]

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Do you know why the metal in the oven burns your skin but the air in the oven doesn't? This simulation will show you the relationship between heat energy and temperature.

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Learn about the trajectories in two dimensions through simulation and examples. Some of the concepts identified are motion and velocity.

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Learn about the relationship between position, velocity, and acceleration for two objects in one-dimensional motion. Experiment with varying approaches to the race for both Irwin and Ruthie to see how it alters the result. Extra examples of force and motion are included.

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Explore how Snell's Law arises out of the principle of least time; understand how light rays change direction at interfaces between materials using this interactive simulation. A PDF worksheet and a video tutorial are also available. [4:50]

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Are there colors we don't see? This simulation addresses that question by exploring light as an electromagnetic wave. Learn how the electromagnetic wave relates its wavelength and frequency to the electromagnetic field pattern it creates.

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Learn about charge, electric field, and electric potential in the context of a lightning strike using this interactive simulation. A PDF worksheet is also available. Includes video tutorial. [3:49]

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Learn about the type, size, location, and orientation of the image that forms when a thin lens is used to view an object using this interactive simulation. A PDF worksheet and a video tutorial are also available. [5:14]

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Study the basics of radioactive decay and the properties of atomic nuclei in Marie Curie's laboratory and classroom. A PDF worksheet and a video tutorial are also available. [3:32]

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Learn about the interference and diffraction patterns that result when a wave passes through one or two thin openings using this interactive simulation. A PDF worksheet and a video tutorial are also available. [6:01]

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Learn about different ways you can wire an electric circuit, and how the brightness of the lights depends on how they are configured using this interactive simulation. A PDF worksheet and a video tutorial are also available. [4:25]

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Learn about the relationship between position and velocity for a model rocket during launch and in free-fall. Experiment with rocket mass, rocket thrust, and rocket burn time to understand the connection of velocity and position. Uncover more about this physics concept with four more examples.

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Learn about orbits and how an object can stay in orbit under the influence of gravity. By adjusting launch velocities users will understand how to successfully put a virtual satellite into orbit without crashing. Examine centripetal acceleration with this simulation and examples. A PDF worksheet and a video tutorial are also available. [4:09]

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Understand angular momentum conservation in the absence of an applied torque in the context of planetary orbits using this interactive simulation. A PDF worksheet and a video tutorial are also available. [6:07]

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A simulation to learn about wave harmonics in a column of air by looking closely at the sound produced by a pan flute.

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Use this interactive simulation to understand how magnetic forces applied to charges in motion generate circular [centripetal) motion, and how the paths these particles leave provide insight into their nature. A PDF worksheet and a video tutorial are also available. [4:37]

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Learn how the steady motion of the Moon around the Earth, and the phases created by the relative position of the Earth, Sun, and Moon, allow us to tell time by simply looking at the shape and orientation of the moonlight by using this interactive simulation. A PDF worksheet is also available. A video tutorial is also available. [3:33]

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Learn about Newton's 3rd Law, and how the concept of the 'force pair' allows us to understand interactions between objects using this interactive simulation. A PDF worksheet and a video tutorial are also available. [4:03]

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