Burrud, John

Examines the structure and history of Earth from the perspective of visitors from a distant galaxy, focusing on the water cycle and the processes of evaporation, condensation, and precipitation; features a visit to a desalination plant; and includes a demonstration of how an artesian well works.

Examines the structure and history of Earth from the perspective of visitors from a distant galaxy, focusing on the properties of ocean water, with discussion of tides, the topography of the ocean floor, and life zones within the ocean; and includes an investigation of the effects of water temperature on ocean currents.

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 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 characteristics mammals have in common, as well as the things that make them different from each other.

Examines the relationships between living things, focusing on the interdependency of animals, with specific examples.

Describes the unique characteristics of different kinds of birds, from the ostrich to the penguin; discusses migration and explains how birds take flight; and demonstrates how an egg incubator hatches chickens.

Identifies the two types of animal behavior, including learned and instinctive, looks at how animals communicate with one another, both verbally and non-verbally, and discusses relationships between species. Includes a hands-on demonstration.

Examines the history of Earth, looking at what scientists have learned through a study of fossils and rock layers, and discussing the evolution of the planet and its lifeforms.

Explains what makes a fish a fish, describing their body structures, foods, defenses, and reproduction; describes special repellents developed for scientists to safely study sharks underwater; and includes a hands-on investigation of the effects of temperature change on a goldfish.