1. List all of the geologic periods in order from oldest to current. (Cambrian to Quaternary)

Cambrian, Ordovician, Silurian, Devonian, Mississippian, Pennsylvanian, Permian, Jurassic, Triassic, Quaternary



2. Since the extra credit question is so hard, come up with a mnemonic to help you remember it.
Can
Oscar
Send
Danny
My
Purple
Plum
Just
Too
Quickly