Geologic time scale Flashcards
Learn all Eons, Eras, Periods and Epochs.
1
Q
The first Eon.
A
Hadean
2
Q
The second Eon.
A
Archean
3
Q
The third Eon.
A
Proterozoic
4
Q
The current Eon.
A
Phanerozoic
5
Q
How many Eons are there?
A
4
6
Q
What is our current Eon?
A
Phanerozoic
7
Q
The fourth Eon.
A
Phanerozoic
8
Q
All Eons.
A
Hadean, Archean, Proterozoic, and Phanerozoic.
9
Q
The ___ Era occurred during the Hadean, Archean, and Proterozoic.
A
Precambrian
10
Q
The ___ Period began the Paleozoic Era
A
Cambrian
11
Q
“Age of Invertebrates”
A
Cambrian Period and Ordovician Period
12
Q
“Age of Fishes”
A
Silurian Period and Devonian Period
13
Q
The Periods of the Paleozoic Era: ___, ___, ___, ___, ___, ___.
A
Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian.
14
Q
Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian.
A
The Periods of the Paleozoic Era
15
Q
The Mesozoic Periods:
A
Triassic, Jurassic, Cretaceous.
