Uses the examples of fighter jets to discuss matter and its properties, including states, atoms and their components, elements, molecules, and compounds.
Explains why some animals migrate, describes how monarch migration was first studied, and discusses how these butterflies make the long journey and what they do when they reach their wintering grounds
Describes the events surrounding the discovery of gold in California, the huge migration it brought to the area, and the lifestyles of miners and mining towns.
Examines the three states of matter--solid, liquid, and gas--and discusses how matter can change its state, mixtures, and substances such as tar whose exact nature is hard to define.
Introduces igneous rocks, discussing their characteristics; types; the rock cycle; how they are formed, classified, identified, and used; and landforms that are composed of them.
Introduces sedimentary rocks, discussing their characteristics; types; the rock cycle; how and where they are formed; how they are classified, identified, and used; and landforms that are composed of
Provides a definition of crystals and describes the six basic categories of crystalline shapes, along with a discussion of how crystals grow, how they break up, and their many everyday uses.
Presents information about Robert Ballard, the discoverer of the Titanic; Columbus; Pizarro; James Cook; Richard Byrd; and mountaineer Dan Mazur; and suggests questions for discussion.
This title covers the following: Fiery Rocks; Crusty Old Rocks; Rocks around the World; Ingenious Igneous Rocks; Buildings and Bling; Landforms of Intrusions; Landforms of Extrusions.