Curated OER
Diversity of Life: Geologic Time Scale
Students investigate the history of Earth by creating a geologic time scale. For this Earth History lesson, students practice sequencing events in their life as a way to get familiar with creating a time scale. Students complete their...
Curated OER
Understanding the Geologic Timescale
Students identify and analyze how the geologic time scale was developed by investigating 11 periods of time and the vast expanse of time of the Earth's existence. They study their period, determine the important factors indicative to...
Curated OER
Be a "Fossil Detective" an Effective Tool in Earth Science Education
Students examine the geological time scale: the Earth is ancient; time can be divided into periods based on its fossil content.