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WorksheetsRock Cycle and Geologic Time Quiz
Total questions: 35
Worksheet time: 36mins
Name
Class
Date
1.
Trace Fossil
a)
A hollow area in sediment in the shape of an organism
b)
thin layer of carbon on rock
c)
evidence of the activities of ancient organisms
2.
What is an unconformity in the geologic record where rock layers have been lost due to erosion?
a)
index fossil
b)
superposition
c)
gap
d)
fold
3.
When looking at the fossil record, paleontologists have found evidence that
a)
many species have not gone extinct
b)
organisms have become more complex
c)
organisms have not changed much
d)
there are fewer
4.
What were the dominant animals of the Mesozoic Era?
a)
fish
b)
reptiles
c)
mammals
d)
bacteria
5.
When an organism dies, is buried, and decays leaving behind a cavity in the shape of the organism is considered which type of fossil?
a)
cast
b)
mold
c)
trace
d)
petrified
6.
What type of fossil is this?
a)
preserved
b)
trace
c)
carbonized
d)
cast
7.
According to the law of superposition, the oldest fossils are found
a)
At the top of the rock layers
b)
Near the bottom of the rock layers
c)
In the middle of the rock layers
d)
Somewhat near the surface
8.
Which rock layer in the diagram seems to be the oldest?
a)
F
b)
E
c)
B
d)
A
9.
How do most fossils form?
a)
Living things die and are buried by sediment
b)
The hard parts of an organism dry out in the air
c)
Freezing preserve the remains of an organism
d)
The soft parts of an organism change to stone
10.
Why are most fossils found in sedimentary rock?
a)
Sedimentary rock is in Indiana
b)
Many fossils are destroyed because of heat, pressure and melting
c)
Only sedimentary rocks include fossils
d)
Fossils are not affected by heat and pressure
11.
What evidence is used to confirm that parts of North America had a warm tropical climate and was covered with swampy forests of giant ferns and trees?
a)
present day swamps
b)
dinosaur fossils
c)
present day coal deposits
d)
dinosaurs may be bird ancestors
12.
What Does "Cenozoic" Mean
a)
Age Of Mammals
b)
Age Of Gold
c)
Age Of Reptiles
d)
Age Of Evolution
13.
Describe how geologists separate time periods.
a)
by special events that have happened in that period.
b)
By looking at the Relative Time of a Fossil
c)
By counting the years a fossil has been preserved
14.
True or False: Geologists subdivide periods into eras.
a)
False
b)
True
15.
Which division on the geologic time scale is the shortest?
a)
epoch
b)
era
c)
eon
d)
period
16.
This marks the end of the Cenozoic era.
a)
climate change
b)
This era has not ended.
c)
Astreroid impact
d)
Global warming
17.
What are era's divided into?
a)
eons
b)
periods
c)
epochs
d)
eras
18.
What type of rock do fossils form in?
a)
Igneous
b)
Sedimentary
c)
Metamorphic
d)
Classic
19.
True or False: Geologic time is divided into eras, periods and epochs
a)
true
b)
false
20.
How do MOST fossils form?
a)
living things die and their remains are quickly buried by sediments
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
21.
Which of the following is NOT a characteristic of an index fossil?
a)
has a wide geographic range
b)
must be a preserved remain
c)
helps geologist determine the the age of rock layer
d)
existed for a short geologic time
22.
Which era was dominated by plants, single celled organisms and simple marine life?
a)
Precambrian
b)
Paleozoic
c)
Mesozoic
d)
Cenozioc
23.
What does the fossil record show scientists?
a)
How organisms and the environment have evolved over time
b)
What happened in American history
c)
What happened in world history
d)
Only what has happened since man has existed
24.
Which contains the largest span of time in the history of earth?
a)
Paleozoic
b)
Mesozoic
c)
Cenozoic
d)
Precambrian
25.
Sedimentary rocks are formed by
a)
Cooling of lava or magma
b)
Heat and pressure
c)
Compacting and cementing
26.
How is sediment formed?
a)
Weathering and Erosion
b)
Melting
c)
Pressure
27.
What is the breaking down of rocks?
a)
Weathering
b)
Clastic
c)
Vesicular
28.
What is the breaking down of rocks?
a)
Weathering
b)
Clastic
c)
Vesicular
29.
Rocks that form from other rocks that changed due to high temperature and high pressure.
a)
Igneous
b)
Metamorphic
c)
Sedimentary
30.
The process where soil and rock are moved from one place to another.
a)
Deposition
b)
Abrasion
c)
Erosion
d)
conservation
31.
The process when soil or rock are left or placed in a new location.
a)
Erosion
b)
Weathering
c)
Mass movement
d)
Deposition
32.
Which is a characteristic of intrusive igneous rocks?
a)
cooled from magma
b)
cooled from lava
c)
no crystals
d)
small crystals
33.
Which rocks are most likely in your back yard?
a)
sedimentary
b)
intrusive igneous
c)
metamorphic
d)
extrusive igneous
34.
How would sand blasting through weathering and erosion change a rock?
a)
It would become a metamorphic rock
b)
It would become an igneous rock
c)
It would become smoother
d)
It would become larger
35.
How long does it take to complete the rock cycle?
a)
a lifetime
b)
millions of years
c)
thousands of years
d)
hundreds of years
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