Take a look at the history of Ohio’s land through its ancient ancestors. Learn about a distant past where Trilobites ruled the warm waters of the Ordovician sea. Investigate how fossils are formed and what was left behind for us to find here at Greenacres.
- LS Grade 4: Fossils can be compared to one another and to present day organisms according to their similarities and differences.
erosion, deposition, sediment, Ordovician fossils, glacial erratic, limestone, shale