Secondary & College / Physical Sciences

In this film, Newton’s Third Law is developed in a logical series of demonstrations and experiments. Wherever possible, familiar materials...
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In this film, two archaeologists excavate a site. The artifacts they find are clues to the lives of ancient people of the Southwest. Afterwards, what...
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Asteroids, comets, and meteorites are called the minor members of the solar system. This film shows how astronomers have learned about these objects...
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Why does an astronaut who weighs 170 pounds on earth weigh only 27 pounds on the moon? Would you weigh the same on a high mountain as you do at the...
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Liquids boil when atmospheric pressure is equal to vapor pressure. The lower the atomospheric pressure, the lower the boiling point. This principle...
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Boyle’s Law states that at a constant temperature, the volume of a given amount of gas is inversely related to the pressure exerted on it. In this...
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Aimed at preteens and teenagers, "Calories, Calories" offers a scientific context for a subject with significant social and cultural implications....
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Explore the world of chemistry through these informative programs, which provide a valuable supplement to middle-school, high-school or college...
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Acids, bases, and salts—three related groups of compounds of unusual chemical significance—are investigated and explained.
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As metallic, ionic and covalent bonds are investigated, the world of interatomic bonds and forces dealing with ions, atoms, valence and polarity, and...
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By showing the viewers a tiny raindrop and the flecks of material within it, it is simple to illustrate the basic types of materials of our...
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Viewers learn that certain fundamental factors influence the rates at which chemical reactions take place. Catalysts and their alternate reaction...
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