Making The Geologic Time Scale Real
Students are assigned significant geologic events in Earth's history. They convert the date of the events into distances and then space themselves (on an outside playing field) away from other groups, to represent time between various events.
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New Review A Brief History of Geologic Time
How do scientists know the history of Earth before humans—or any mammals—existed? An epic "Eons" series video explains the larger history of geologic time. It highlights the eons, eras, periods, epochs, and ages scientists use to divide...
12 mins 6th - 12th Science CCSS: Adaptable