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Geologic Time

Total questions: 50

Worksheet time: 49mins

Name
Class
Date
1.
What does each layer of rock represent?
a)
a period of time
b)
a different type of stone
c)
an intrusion
d)
a fault
2.
Which layer is the oldest?
a)
A
b)
B
c)
C
d)
D
3.
Which is younger: A or D?
a)
A
b)
D
c)
Both are the same
4.
Why is D younger than B?
a)
D had to be there for B to intrude
b)
D and B happened at the same time
c)
B was laid on top of D
d)
B had to be there for D to intrude
5.
What is the law that states why F is younger than G?
a)
law of uniformitarianism
b)
law of superposition
c)
law of cross-cutting
d)
law of Memorial Jags
6.
Which of these laws will NOT help to determine if something is an index fossil?
a)
Easily recognizable
b)
Lives only a short period of time
c)
Should have many of the same fossils in many different layers of same outcrop
d)
It is widespread
7.
Does the picture represent relative or absolute dating?
a)
relative
b)
absolute
8.
Absolute age is determined by...
a)
the other rocks around it
b)
the law of superposition
c)
radiometric dating
9.
Absolute age...
a)
gives a number
b)
compares age (older/younger)
10.
What can we say about all of the fossil 2s?
a)
they are all about the same age
b)
they are all found in the same place
11.

How old do Paleontologists believe the Earth is?

a)

2019 years old

b)

3.6 billion years old

c)

4.6 billion years old

d)

4.6 million years old

12.

What type of event usually marks the end of an Era

a)

A Mass Extinction

b)

A Quinceanera

c)

An earthquake

d)

A Volcanic Eruption

13.
The Law of Superposition helps scientists to determine what?
a)
The absolute age of rock layers
b)
The age of fossils
c)
The relative age of rock layers
d)
the super powers of rocks
14.
A scientist who studies fossils is called a what?
a)
Fossilologist
b)
Rock Hound
c)
Archeologist
d)
Paleontologist
15.
What type of rock do fossils form in?
a)
Igneous
b)
Sedimentary
c)
Metamorphic
d)
Classic
16.
According to the law of superposition, which layer is the youngest?
a)
A
b)
B
c)
C
17.
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
18.
The disappearance of a species.
a)
Evolution
b)
Extinction
c)
Migration
d)
Mutation
19.

a fossil found in a narrow time range but widely distributed around the earth; used to date rock layers.

a)

Petrified

b)

Mold

c)

Cast

d)

Index

e)

Trace Fossil

20.

looks at where the fossil is located to determine its age relative to other fossils.

a)

Relative Dating

b)

Absolute Dating

21.

Uses radioactive elements near the fossils to determine the actual age of the fossils.

a)

Relative Dating

b)

Absolute Dating

22.

method used to determine the age of rocks by comparing rocks with younger and older rock layers

a)

extinction

b)

fossil record

c)

relative age

d)

geologic time scale

23.

Each rock layer is newer than the one below it

a)

law of superposition

b)

geologic time scale

c)

Permian extinction

d)

Paleozoic era

24.

a fossil that is used to establish the age of a rock layer because the fossil is distinct, abundant, and widespread and the species that formed that fossil existed for only a short span of geologic time

a)

index fossil

b)

fossil record

c)

fossil

d)

relative age

25.

a group of organisms that are closely related and can mate to produce fertile offspring

a)

Fossil

b)

Paleozoic

c)

Era

d)

Species

26.

The Death of every member of a species

a)

extinction

b)

Paleozoic era

c)

relative age

d)

Permian extinction

27.

the trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock

a)

fossil record

b)

geologic time scale

c)

species

d)

fossil

28.

a historical sequence of life indicated by fossils found in layers of Earth's crust

a)

fossil

b)

geologic time scale

c)

species

d)

fossil record

29.
Process by which organisms with traits that are suited to a the environment survive.
a)
natural selection
b)
principle of superposition
c)
uniformitarianism
30.
Which of the following orders the rock layers accurately from oldest to youngest?
a)
A, B, C, D, E, F, G, H
b)
B, F, G, C, D, H, A, E
c)
B, G, C, D, E, H, A, F
d)
F, A, H, E, D, C, G, B
31.
Which of the following orders the rock layers accurately from youngest to oldest?
a)
1, 2, 3, 4, 5
b)
5, 4, 3, 2, 1
c)
2, 3, 4, 5, 1
d)
1, 2, 3, 5, 4
32.
Which of the following orders the rock layers accurately from oldest to youngest?
a)
F, E, D, C, B, A
b)
A, B, C, D, E, F
c)
D, A, B, C, E, F
d)
F, E, A, B, C, D
33.
Which of the following rock layers is relatively the oldest?
a)
H
b)
P
c)
L
d)
M
34.
Which of the following occurred relatively most recently?
a)
A
b)
B
c)
C
d)
D
35.
Which fossil is relatively the oldest?
a)
Trilobite
b)
Ammonite
c)
Crinoid
d)
Gastropod
36.
Which of the following does the law of superposition tell scientists?
a)
Absolute age
b)
Relative age
c)
Exact age
d)
All of the answer choices
37.
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
38.

The Law of Superposition helps scientists to determine what?

a)

The absolute age of rock layers

b)

The age of fossils

c)

The relative age of rock layers

d)

the super powers of squirrels

39.
Which rock layer in the diagram seems to be the oldest?
a)
F
b)
E
c)
B
d)
A
40.
According to the law of superposition, which layer is the youngest?
a)
A
b)
B
c)
C
41.
What is the oldest layer in the outcrop?
a)
B
b)
C
c)
D
d)
E
42.
What is the youngest layer in the outcrop?
a)
A
b)
B
c)
C
d)
D
43.
Scientists use radioactive decay to measure...
a)
relative time
b)
absolute time
c)
half-lives
d)
time of day
44.
How does absolute age differ from relative age?
a)
only absolute dating indicates which rock is older than another
b)
only absolute dating finds the age in years
c)
only relative dating finds the age in years
45.
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
46.
Which type of dating method can be used on rock layers by applying the Law of Superposition?
a)
relative dating
b)
absolute dating
c)
radioactive dating
d)
radiometric dating
47.

Which of the available answers is oldest?

a)

Layer L

b)

Intrusion D

c)

Intrusion H

d)

Layer E

48.
Letter "F" is a....
a)
inclusion
b)
intrusion
c)
fault
d)
unconformity 
49.
All plants and ANIMALS contain carbon.
a)
True
b)
False
50.
Traces or remains of organisms that lived long ago
a)
Fossil
b)
Unconformity
c)
Superposition
d)
Column

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