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WorksheetsEarth History
Total questions: 18
Worksheet time: 23mins
Name
Class
Date
1.
Which is the most recent era of time- the one that we are currently in?
a)
Mesozoic
b)
Paleozoic
c)
Cenozoic
d)
Precambrian
2.
Which era is known as the "age of reptiles"
a)
Paleozoic Era
b)
Cenozoic Era
c)
Mesozoic Era
d)
Precambrian Era
3.
The Era when humans first appeared was...
a)
Cenozoic
b)
Mesozoic
c)
Paleozoic
d)
Precambrian
4.
The time span that lasted the longest was the...
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
5.
Which era is known as the "age of mammals"
a)
Cenozoic Era
b)
Precambrian Era
c)
Paleozoic Era
d)
Mesozoic Era
6.
The single land mass that existed about 245 million years ago is named what?
a)
Fossil
b)
Pangea
c)
Bob
d)
Tectonic plates
7.
When did the Precambrian era begin
a)
66 mya
b)
4.6 bya
c)
540 mya
d)
245 mya
8.
During which era did the earliest dinosaurs appear?
a)
Cenozoic
b)
Paleozoic
c)
Mesozoic
d)
Precambrian
9.
Pangaea broke up during the
a)
Paleozoic
b)
Mesozoic
c)
Cenozoic
d)
Precambrian
10.
During which era did the ice ages occur?
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
11.
The Mesozoic era occurred during which timeframe?
a)
66 mya - present
b)
4.6 bya - 540 mya
c)
245 mya - 66 mya
d)
540 mya - 245 mya
12.
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
13.
Paleozoic, Mesozoic & Cenozoic are all
a)
Epochs
b)
Eras
c)
Periods
d)
Eons
14.
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
15.
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
16.
Which era is known as the "age of invertebrates"
a)
Precambrian
b)
Mesozoic
c)
Cenosozic
d)
Paleozoic
17.
In which era did the oceans and atmosphere form?
a)
Paleozoic
b)
Cenozoic
c)
Precambrian
d)
Mesozoic
18.
The Paleozoic era occurred during which time frame?
a)
4.6 bya - 540 mya
b)
540 mya - 245 mya
c)
245 mya - 66 mya
d)
66 mya - current
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