I like to use a meter stick and be very intentional with my spacing to model time as a scale. I also avoid using the far right of the space to infer ... preserved in the rock record of the Earth that ...

To register your interest please contact collegesales@cambridge.org providing details of the course you are teaching. A successor to A Geologic Time Scale 1989 (Cambridge, 1990), this volume ...

We will provide a list of web sites with relevant information. The geologic time scale is divided into eons, eras, periods, epochs, and ages. Our activities, and the time scale for download above, ...

Prehistoric time line, geologic time scale, photos, facts, maps, and more from National Geographic. Humans have walked the Earth for 190,000 years, a mere blip in Earth's 4.5-billion-year history.

This concise handbook presents a summary of Earth's history over the past 4.5 billion years as well as a brief overview of contemporaneous events on the Moon, Mars and Venus. The authors have been at ...

The quake briefly prompted a tsunami alert for parts of Vanuatu, according to the U.S. Tsunami Warning System, which is part ...