Describes why volcanoes and earthquakes occur, the chaos they cause, how they help to form mountains, valleys, and islands, and ways in which they are useful to people.
Discusses the characteristics of different types of coastlines and islands and describes how they are shaped and changed by water, wind, and volcanic eruptions.
Provides a general introduction to birds, and looks at the variety of physical characteristics and abilities within the bird world, including beaks, feet, feathers, flying skills, and nesting and migrating behaviors.
Describes some of the ways in which humans communicate and presents activities which demonstrate the workings of such mechanisms as a printing press, telegraph, and microphone.
