Health / Physical Sciences

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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The chemical nature of a solution is illustrated along with the role of electrostatic forces. Brownian movement is seen, saturation defined, and...
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Animation succinctly develops the relationship between the electronic structure of an atom and its properties, demonstrating clearly why there are...
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In these four adventures our animated caveman Zog ponders basic questions about energy as understood from a scientific viewpoint: where energy comes...
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GRAVITY, FORCE and WORK introduces Zog to Newton’s basic laws of motion. By observing objects on earth and in space, Zog learns that...
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KINETIC AND POTENTIAL ENERGY introduces Zog to energy of movement and stored energy. Working with inclined planes, springs and a bouncing ball...
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USING ENERGY teaches Zog that people use energy in one of two main ways: by moving heat from one place to another (conduction, convection or...
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