In this investigation, students examine an image of multiple fossil footprint tracks. They try to construct an explanation for the events that created the pattern of tracks. Even though students come up with different explanations for...

Describes four different kinds of fossils and how they form.

A site for students to explore the Earth science subject of fossils including the ways fossils form, types such as trace and body, fun facts, collecting, and where they are found.

This graphic from Evolution, traces the evolution of whales from land-dwelling mammals to the aquatic creatures we know today. A PDF is included that diagrams the evolutionary process that is believed to have taken place.