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WorksheetsGeologic Time Scale and Fossils
Total questions: 28
Worksheet time: 31mins
Name
Class
Date
1.
Which fossil is a replica of the original shape of the organism?
a)
cast
b)
mold
c)
trace
d)
preserved remains
2.
Which fossil is an impression left by the original organism?
a)
cast
b)
mold
c)
trace
d)
preserved remains
3.
Relative dating of rock layers tells us that the deeper we dig, _______.
a)
the younger the rocks get
b)
the smellier the rocks get
c)
the harder the rocks get
d)
the older the rocks get
4.
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
5.
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
6.
A bug stuck in amber is an example of what type of fossil?
a)
cast
b)
mold
c)
trace
d)
preserved remains
7.
What type of rock do fossils form in?
a)
Igneous
b)
Sedimentary
c)
Metamorphic
d)
Classic
8.
Why is the fossil record incomplete?
a)
fossils get eroded away over time
b)
most organisms never became fossils
c)
scavengers and decomposers eat them too quickly
d)
all of the above
9.
According to the law of superposition, which layer is the youngest?
a)
A
b)
B
c)
C
10.
Paleozoic, Mesozoic & Cenozoic are all
a)
Epochs
b)
Eras
c)
Periods
d)
Eons
11.
Which is the most recent era of time- the one that we are currently in?
a)
Mesozoic
b)
Paleozoic
c)
Cenozoic
d)
Precambrian
12.
Fossils in which minerals replace all, or a part, of an organism is what kind of fossil?
a)
Petrified Fossil
b)
Preserved
c)
Fault
d)
Intrusion
13.
Footprints, nests, burrows and fossilized poop are examples of what kind of fossils?
a)
Trace Fossils
b)
preserved remains
c)
Erosion
d)
sedimentary rock
14.
Identify the Era in which each of the events occurred:
Jurassic period
Jurassic period
a)
Mesozoic
b)
Paleozoic
c)
Cenozoic
d)
Precambrian
15.
Identify the Era:
called the "Age of Mammals"
called the "Age of Mammals"
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
16.
Identify the Era:
that was the longest of all eras
that was the longest of all eras
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
17.
Identify the Era:
where dinosaurs thrived
where dinosaurs thrived
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
18.
Identify the Era:
First forms of life appeared in this era.
First forms of life appeared in this era.
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
19.
Identify the Era:
This era contains the Triassic, Jurassic, and Cretaceous Periods
This era contains the Triassic, Jurassic, and Cretaceous Periods
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
20.
Identify the Era:
Archaeopteryx lived in this era.
Archaeopteryx lived in this era.
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
21.
What is a fossil?
a)
any dead organism
b)
the preserved remains or traces of an organism
c)
a perfect copy of a rock
d)
an unusual type of rock
22.
How do most fossils form?
a)
Living things die and their remains are covered by sediment
b)
The hard parts of an organism dry out in the air
c)
The soft parts of an organism change to stone
d)
Freezing preserves the remains of an organism
23.
What is absolute dating
a)
The age when the rock was formed
b)
dinner and movie with a rock
c)
A range of rock compared to other rocks
d)
Relative dating
24.
What type of scientists study fossils?
a)
Astronomists
b)
Archaelogists
c)
idoentnoeigists
d)
Paleontologists
25.
The Earth is constantly changing.
a)
True
b)
False
26.
Which is the most recent time frame?
a)
Mesozoic
b)
Precambrian
c)
Holocene
d)
Cretaceous
27.
Put this in order of smallest to largest time frame.
a)
Eon, Era, Periods, Epoch
b)
Periods, Epoch, Eon, Era,
c)
Epochs, Periods, Eras, Eons
d)
Eras, Periods, Epochs, Eons
28.
What principle proves Layer 1 is younger than 2.
a)
superposition
b)
crosscutting
c)
inclusions
d)
horizonality
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