Name: _____________________________________________ Date: ___________ Class: ________
Times in mya
EON
ERA
PERIOD
Scale
Quaternary
P
h
a
n
e
r
o
z
o
i
c
E
o
n
Tertiary
Cenozoic
Paleogene
Cretaceous
Jurassic
Mesozoic
Triassic
Permian
Carboniferous
Pennsylvanian
Mississippian
Devonian
Silurian
Ordovician
Paleozoic
Proterozoic Eon
Precambrian
Neogene
Cambrian
Vendian (Ediacaran)
today
1.8
24
65
146
208
248
280
325
360
408
438
500
540
600
2,500
Archean eon
Hadean
(Pre-Archean)
Eon
Required: Using the scale of 1cm = 20mya, convert each Eon, Era, and Period into a distance.
Optional (BONUS minor points)
1. Use this scale to make a time line to scale that shows each Eon, Era, and Period.
2. Color and decorate the timeline.
3. Put your name on the back of your timeline.
3,900
4,600