WorksheetsGeology Test Review
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Magma that forces its way into rocks and hardens is called a(n)___.
a)
Intrusion
b)
Extrusion
c)
Lava
d)
Unconformity
2.
A petrified fossil forms when _.
a)
The bone is replaced with sediment.
b)
The organic material is replaced with minerals.
c)
The bone is replaced with minerals.
d)
When amber replaces the soft parts of an organism.
3.
When did the earliest forms of life appear?
a)
Mesozoic Era
b)
Paleozoic Era
c)
Cenozoic Era
d)
Precambrian Time
4.
On the Geologic time scale, eras are divided into ___.
a)
Epochs
b)
Periods
c)
Eons
d)
Chapters
5.
Fossils provide evidence for all of the following except.
a)
Sounds the animals made.
b)
How big organisms were.
c)
How organisms have changed over time.
d)
Where organisms lived long ago.
6.
When did the Cambrian Explosion occur?
a)
Devonian Period
b)
Precambrian Time
c)
Cambrian Period
d)
Mesozoic Era
7.
Most fossils form when organisms die and are buried in ___.
a)
Oil
b)
Tar
c)
Dust
d)
Sediment
8.
What do you call a scientist who studies fossils?
a)
Geologist
b)
Paleontologist
c)
Fossilist
d)
Biologist
9.
A gap in the rock record where eroded layers have been lost is known as a(n) _____.
a)
Weathering
b)
Earthquake
c)
Law of Supervision
d)
Unconformity
10.
A major extinction occurred at the end of the Cretaceous Period.
a)
True
b)
False
11.
The Mesozoic Era is often called the ____.
a)
Age of Mammals
b)
Age of Humans
c)
Age of Fish
d)
Age of Reptiles
12.
A fossil that shows the activities of how an organism lived is a ___.
a)
Trace Fossil
b)
Evidence Fossil
c)
Preserved Fossil
d)
Rock
13.
What do you call an animal without a backbone?
a)
Vertebrate
b)
Invertebrate
14.
The relative age of a rock gives you the absolute age of that rock.
a)
True
b)
False
15.
During which era did Pangaea form?
a)
Cenozoic Era
b)
Paleozoic Era
c)
Mesozoic Era
d)
None of these
16.
During which era did humans appear?
a)
Mesozoic Era
b)
Paleozoic Era
c)
Cenozoic Era
d)
Precambrian Time
17.
What is dominant during the Cenozoic Era?
a)
Fish
b)
Mammals
c)
Bacteria
d)
Reptiles
18.
According to scientists, how old is the Earth?
a)
4.6 billion years
b)
4.6 million years
c)
46 million years
d)
46 billion years
19.
The cast is the same as a mold.
a)
True
b)
False
20.
After 1 half-life how much radioactive element decays away in an organism?
a)
50%
b)
25%
c)
100%
d)
75%
100 %
