Find out how fossil evidence has been the major link to learning about Earth's geologic history. See several illustrated interpretations of a geologic time scale in this online biology textbook.

Understand fossils and the fossil record as it relates to Earth's history.

Using GEOLogic puzzles, students are asked to match the five largest mass extinction events with their relative dates, approximate duration, and severity based on clues given from various perspectives.

TeacherLINK at Utah State University offers a wealth of topics and project information on celebrations held throughout the world. Click on "Topics and Authors," to access a long list of available lesson plans on a variety of...

Understand the evidence for ancient earth and the geologic time scale. Learn on this site how the earth can help scientist date discoveries.

The story of the universe is told in this engaging site by the European Space Agency. The history of European space science is timelined with dates ranging from 1066 to present day. The birth of galaxies, the big bang, and the beginnings...

The East Slope of the Acropolis is an area that has not (yet) been the focus of a great deal of archaeological investigation. Early travelers and explorers noted, of course, the very large and prominent East Cave that forms such a...

The story of the universe is told in this engaging site by the European Space Agency. The history of European space science is timelined with dates ranging from 1066 to present day. The birth of galaxies, the big bang, and the beginnings...