The University of California-Berkeley Museum of Paleontology has recently updated its Web Geologic Time Scale, an online feature that helps users learn about the geologic timeline and explore related museum exhibits. The...

This page features a geological time scale that divides Earth's history into eras, periods, and epochs, and coordinates these divisions with biological developments.

In this activity, students are introduced to sequencing and geologic time through relative dating techniques. Students begin by categorizing cards of nonsense words, then move on to cards with pictures of fossils. Once...