In this geological time worksheet, student use a geologic time scale to understand the difference between eons, eras, and periods. Then students complete 2 short answer questions.

In this history of life worksheet, students will use diagrams of the Precambrian, Paleozoic, Mesozoic, and Cenozoic Era to complete 4 fill in the blank statements.

Learners plot events that happened years ago beginning with volcano activity.  In this investigative lesson students are introduced to the different eras and plot them on a map.