fossils

Provides information and activities for learning how fossils contribute to our knowledge of the past.

Discusses the global catastrophe that may have led to the end of Cretaceous life forms 65 million years ago.

Photographs, diagrams and text present a survey of life in the past and of the theory and operation of evolution.

Everyone in second grade seems set on breaking a world record and friends Ivy and Bean are no exception, deciding to become the youngest people ever to discover a dinosaur skeleton.

Describes how a bone becomes a fossil by explaining how one form of water mineral replaced bone minerals. Millions of logs became fossils after their wood was also replaced by minerals. Some ancient trees oozed a stick liquid called resin and when it hardened it became known as amber which is used for jewelry now.

This is a photo essay about different types of fossils, from bacteria and algae to birds and mammals.

Sixteen-year-old Tabitha, the daughter of a preacher who believes science is Satan's work, longs to study at a university and dig for dinosaur bones, but in South Dakota at the end of the nineteenth century such ambitions are discouraged.

Uses hands-on activities to present information about dinosaurs and to show how paleontologists have learned about these prehistoric creatures.

Describes the dinosaurs and other prehistoric reptiles, examines individual species, and explains how paleontologists made the fossil discoveries leading to our current knowledge.

Investigates backboned animals during approximately 500 million years of evolution.