WorksheetsGeologic History Test Review
Total questions: 22
Worksheet time: 12mins
Name
Class
Date
1.
Current scientific evidence shows that the Earth is estimated to be:
a)
Less than 1 millions years old
b)
Between 3 and 4 billion years old
c)
More than 4 billions years old
d)
Less than 2 billion years old
2.
How many eras is the geologic time scale divided into?
a)
1
b)
2
c)
3
d)
4
3.
How long in a geologic time period?
a)
3 million years
b)
4.6 billion years
c)
a period doesn't have an exact length
d)
they are all the same length
4.
Which of the following places the divisions of time in order from largest to smallest?
a)
epoch, period, era, eon
b)
period, era, epoch, eon
c)
era, eon, epoch, period
d)
eon, era, period, epoch
5.
The ____________ era was dominated by dinosaurs.
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
6.
An undisturbed sedimentary layer is _________ than the layer above and _________ than the layer below.
a)
younger - older
b)
younger - younger
c)
older - younger
d)
older - older
7.
Fossils are most common in what rock types?
a)
Sedimentary
b)
Igneus
c)
Metamorphic
d)
All rocks contain fossils
8.
A disconformity is __________.
a)
A rock unit that does not contain fossils.
b)
An erosional surface between igneous and metamorphic rocks
c)
An erosional surface between horizontal, sedimentary rocks
d)
An erosional surface between different rock types
9.
What are the three types of rocks?
a)
Metomorphism, sediments, rocks
b)
Metomorphic, Sedimentary, Igneous
c)
Rocks, Leaves, Trees
d)
Sediments, metabolism, igneous
10.
Geologic time ends.
a)
True
b)
False
11.
We are currently in the cenozoic era.
a)
True
b)
False
12.
Earth's history never changes.
a)
True
b)
False
13.
Eras are divided into smaller categories called periods.
a)
True
b)
False
14.
Scientists placed Earth's rocks in order by relative age to create the geologic column.
a)
True
b)
False
15.
A scientist who studies fossils is a ____________.
a)
Paleontologist
b)
Biologist
c)
Archaeologist
d)
Hemotologist
16.
The process by which all living things have changed over time is____________.
a)
Evolution
b)
Change over Time
c)
Metamorphosis
d)
Changing
17.
Fossils are almost always found in _________ rock.
a)
Metamorphic
b)
Igneous
c)
Sedimentary
d)
Regular
18.
Plants and animals first reached land during the _________ era.
a)
PreCambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozoic
19.
An animal with a backbone is called a _________________.
a)
Vertebrate
b)
Invertebrate
c)
Spineless
d)
Spinefull
20.
The __________ is the number of years since the rock or fossil formed.
a)
Absolute Age
b)
Relative Age
21.
The ___________ is the age of rocks or fossils compared with other rocks or fossils.
a)
Absolute Age
b)
Relative Age
22.
The earliest forms of life appeared during the ___________.
a)
Precambrian Era
b)
Paleozoic Era
c)
Mesozoic Era
d)
Cenozoic Era
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