WorksheetsEarth Science, Wednesday Bell Ringer, 1.10.18
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Hadean, Archaen, and Proterozoic are in which era?
a)
Precambrian
b)
Paleozoic
c)
Mezozoic
d)
Quaternary
2.
How old is the Earth?
a)
46 billion years
b)
4 billion years
c)
.46 billion years
d)
4.6 billion years
3.
What came first?
a)
Palezoic
b)
Mesozoic
c)
Cenozoic
d)
Precambrian
4.
Describe Precambrian Time.
a)
makes up 88% of Earth's history. There are very little fossils from this time because it was so long ago and there was very little life on the planet at the time.
b)
It is based on Relative time and is compared to other times.
c)
It is present day
5.
Cyanobacteria created this gas during the Precambrian Era.
a)
Carbon Dioxide
b)
Hydrogen
c)
Nitrogen
d)
Oxygen
6.
The Era when life began was...
a)
cenozoic
b)
paleozoic
c)
mesozoic
d)
precambrian
7.
The longest Era was...
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
8.
The single land mass that existed about 245 million years ago is named what?
a)
Fossil
b)
Pangea
c)
Bob
d)
Tectonic plates
9.
Paleozoic is an example of_________.
a)
an epoch
b)
an era
c)
a period
d)
an eon
10.
Trilobites are found in the _____________.
a)
Cenozoic
b)
Mesozoic
c)
Paleozoic
d)
Cretaceous
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