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.
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.
Introduces fossils, discussing their characteristics, types, where they are found, how they are formed, and what paleontologists learn about prehistoric animals and vegetation by studying them.
Introduces fossils, discussing their characteristics, types, where they are found, how they are formed, and what paleontologists learn about prehistoric animals and vegetation by studying them.
