Willis, John

Examines water through natural disasters, looking at how disasters such as tsunamis and avalanches and how they form as well as search and rescue operations and various water-related disasters around the world. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Readers learn about the Sun, including its movement and composition.

Fresh water is found in lakes, rivers, and streams around the world. Fisher enjoy catching freshwater fish, including brass, wallleye, and catfish. Find out more about how people fish!.

Learn about crickets, where they live, how they grow and survive, and what role they play in nature.

An introduction to military submarines, with photos, facts, and key words.

An introduction to military tanks, with photos, facts, and key words.

An introduction to military fighter jets, with photos, facts, and key words.

An introduction to aircraft carriers, with photos, facts, and key words.

An introduction to military humvees, with photos, facts, and key words.

An introduction to military helicopters, with photos, facts, and key words.