Discusses nuclear energy, its source, how it works, and, giving the examples of Three Mile Island and Chernobyl, how dangerous it can be when things go wrong.
A blizzard occurs when severe snow is accompanied by low temperatures and wind. Details development, warning signs, destructive force, and self protection for these winter disasters.
Veteran author Chris Lampton demystifies the programming techniques behind sophisticated maze games such as Wolf3D and gives step-by-step instructions for programmers to create their own 3-D mazes. The centerpiece of this package is a full-fledged maze game, written by the author with professional game programmer Kevin Gliner. Enclosed disk contains tools for designing new mazes.
Illustrates four types of volcanoes, explains what causes eruptions and how lava enriches the soil. Includes an interesting description of the development of a volcano.
Describes the causes, characteristics, and effects of tornadoes, discusses how scientists study them, and explains what to do if a tornado is approaching.
Explains what species are, how they become extinct, and the effect of extinction on the ecology, and surveys endangered species of plants and animals and possible solutions.
Explains the concepts of simple and complex machines and mechanical advantage, and describes levers, including crowbars, can openers, and wheelbarrows, and how they work.
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