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WorksheetsGeo Time
Total questions: 28
Worksheet time: 16mins
Name
Class
Date
1.
The Geologic Time Scale is a record of what?
a)
old geologists
b)
sweet geology music
c)
the known history of rocks and fossils
d)
a list of every living thing ever
2.
How old do Paleontologists believe the Earth is?
a)
2015 years old
b)
3.6 billion years old
c)
4.6 billion years old
d)
4.6 million years old
3.
Paleozoic, Mesozoic & Cenozoic are all
a)
Epochs
b)
Eras
c)
Periods
d)
Eons
4.
Which is the most recent era of time- the one that we are currently in?
a)
Mesozoic
b)
Paleozoic
c)
Cenozoic
d)
Precambrian
5.
True or False: Geologists subdivide periods into eras.
a)
False
b)
True
6.
Describe how geologists separate time periods.
a)
by special events that have happened in that period.
b)
By looking at the Relative Time of a Fossil
c)
By counting the years a fossil has been preserved
7.
Name the 4 time frames in order from oldest to youngest.
a)
Precambrian Time, Paleozoic Era, Mesozoic Era, Cenozoic Era
b)
Mesozoic Era, Precambrian time, Cenozoic Era, Paleozoic Era
c)
Paleozoic Era, Mesozoic Era, Precambrian Time, Cenozoic
8.
Which division on the geologic time scale is the shortest?
a)
epoch
b)
era
c)
eon
d)
period
9.
The time span that lasted the longest was the...
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
10.
The Era with the largest extinction we know of is the...
a)
Mesozoic era
b)
Precambrian era
c)
Paleozoic era
d)
Cenozoic era
11.
The Era when humans first appeared was...
a)
Cenozoic
b)
Mesozoic
c)
Paleozoic
d)
Precambrian
12.
"age of reptiles"
a)
Paleozoic Era
b)
Cenozoic Era
c)
Mesozoic Era
d)
Precambrian Era
13.
"age of mammals"
a)
Cenozoic Era
b)
Precambrian Era
c)
Paleozoic Era
d)
Mesozoic Era
14.
"ancient life"
a)
Precambrian Era
b)
Mesozoic Era
c)
Cenozoic Era
d)
Paleozoic Life
15.
The single land mass that existed about 245 million years ago is named what?
a)
Fossil
b)
Pangea
c)
Bob
d)
Tectonic plates
16.
Trilobites were alive during the _____________.
a)
Cenozoic
b)
Mesozoic
c)
Paleozoic
d)
Cretaceous
17.
The most recent era in our history according to the geological time scale is:
a)
Paleozoic
b)
Precambrian
c)
Mesozoic
d)
Cenozoic
18.
What were the dominant animals of the Mesozoic Era?
a)
fish
b)
reptiles
c)
mammals
d)
bacteria
19.
What are the dominant animals of the Cenozoic Era?
a)
fish r
b)
reptiles
c)
mammals
d)
bacteria
20.
During which era did the earliest dinosaurs appear?
a)
Cenozoic
b)
Paleozoic
c)
Mesozoic
d)
Precambrian
21.
What type of animal lived only during the Mesozoic Era?
a)
Mammals
b)
Birds and Mammals
c)
Dinosaurs
d)
All of them
22.
What Era do we live in?
a)
Triassic
b)
Cenozoic
c)
Paleozoic
d)
Tertiary
23.
Plants and animals first reached land during the
a)
Mesozoic Era
b)
Cenozoic Era
c)
Paleozoic Era
d)
Precambrian
24.
Pangaea broke up during the
a)
Paleozoic
b)
Mesozoic
c)
Cenozoic
d)
Precambrian
25.
During which era did the ice ages occur?
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
26.
During which era did the mammoth live?
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
27.
During which era did Archaeopteryx (the first bird) live?
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
28.
How log ago did the dinosaurs become extinct?
a)
4.6 billion years ago
b)
3.5 billion yeats ago
c)
65 million years ago
d)
3 million years ago
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