Secondary & College / Physical Sciences

Balloons, gliders and jets, basketball players, giraffes and penguins, geysers and lava, orbiting telescopes and supernovas provide diverse and...
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Visually intriguing demonstrations illustrate how energy affects the properties of substances. Volume changes, changes in state and the differences...
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From the sun's light we can learn much about the sun. we can even determine what elements are present in it. But the sun gives off many forms of...
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Meet Zog, an animated caveman who cleverly clarifies and demonstrates the benefits of simple machines. Clever, humorous, whimsical — these programs...
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This clever and humorous program describes and demonstrates how the slope of an inclined plane affects the amount of force and distance needed to...
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In this whimsical program, viewers learn that a lever can be any bar that tips back and forth on a point and that a lever exchanges distance for...
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Straightforward diagrams of the individual segments of a pulley are combined with humorous, practical applications of fixed and moving pulleys as...
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Caveman Zog demonstrates how wheels and axles make it possible for things to roll, making heavy work easier. Delightful examples make clear the...
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To understand what happens when simple machines work together, one has to know the basic things they all do separately. The concepts of input and...
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Reflection, refraction and absorption are illustrated as well as how images are produced in cameras and the human eye. Light is examined as wave and...
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The relationship between light and other forms of electromagnetic radiation is demonstrated.
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Observe the effect of mixing colored lights and filters, the principles of additive and subtractive color mixing and the concept of the wavelength. A Coronet release.
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