Explains the theory of evolution, describing how animal species are believed to have developed from early bacteria, discussing the concept of adaptation and survival, and examining the structure of DNA.
Introduces students in grades five through eight to the similar characteristics all mammals share as well as the features that make them different, describing how they survive in different environments and why mammals are more advanced than other animals.
Discusses the crucial events that occur during birth, growth, maturation, and reproduction in the lives of various animal species; investigates the transformation of a milkweed bug from larvae to adult step by step; and examines the captive breeding program for endangered cats at the San Diego Wild Animal Park.
Examines the evolution, physical characteristics, behaviors, environments, and life cycles of amphibians, including frogs, toads, newts, and salamanders.
Provides information about natural resources such as sunshine, air, plants, animals, minerals, and fossil fuels, explains the concepts of renewable and nonrenewable resources, and looks at wind turbines as an alternative to fossil fuel energy.
Examines the structure and history of Earth from the perspective of visitors from a distant galaxy, focusing on the causes, effects, and study of earthquakes; looks at some of the twentieth century's most devastating earthquakes; and includes a demonstration of how to build and test a seismograph model.
Examines the structure and history of Earth from the perspective of visitors from a distant galaxy, focusing on fossil fuels, their location, uses, and conservation; and includes an investigation of alternatives to fossil fuels.
Examines the structure and history of Earth from the perspective of visitors from a distant galaxy, focusing on the properties, locations, and uses of the minerals that form the building blocks of Earth's solid structures; features a visit to an old silver mine; and includes a demonstration of the crystalline structure of minerals.
Examines the structure and history of Earth from the perspective of visitors from a distant galaxy, focusing on the characteristics and formation of different types of rocks; features a visit to the Obsidian Dome rock formation at Mammother Mountain in California; and includes a demonstration of how particles of sediment settle.
