Toilet Paper Geologic Time Scale
This Toilet Paper Geologic Time Scale lesson plan also includes:
Students examine and demonstrate the extent of geologic time compared to recent time. They develop a demonstration of geologic time using an unrolled roll of toilet paper, with each sheet of toilet paper representing 20 million years.
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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