Curated OER
Timelines
Students examine evolutionary history; the earth's timeline by creating timelines. They determine the timeframes of era, epochs, and periods and study the species that were evident in each.
Curated OER
Life and Geologic Time
In this geologic time learning exercise, students will define the difference between eras, periods, and epochs in the geologic time scale. Students will also look at the role of geological events and fossils. This learning exercise has...