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Worksheetsrelative rock dating
Total questions: 15
Worksheet time: 29mins
Name
Class
Date
1.
States that younger rocks lie above older rocks if the layers have not been disturbed
a)
Law of crosscutting
b)
Law of superposition
c)
Relative Dating
d)
Unconformity
2.
What are the relative ages of the features in order from oldest to youngest?
a)
Limestone, Basalt, Fault, Siltstone
b)
Siltstone, Fault, Basalt, Limestone
c)
Limestone, Fault, Basalt, Siltstone
d)
Limestone, Siltstone, Fault, Basalt
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.
Which of the following is the oldest?
a)
Layer L
b)
Intrusion D
c)
Intrusion H
d)
Layer E
5.
How does sedimentary rock usually form?
a)
Vertically
b)
Diagonally
c)
Folding
d)
Horizontally
6.
Letter "F" is a....
a)
inclusion
b)
intrusion
c)
fault
d)
unconformity
7.
The rock formation labeled "P" is a(n)...
a)
fault
b)
intrusion
c)
inclusion
d)
unconformity
8.
Above what layer is there an unconformity?
a)
H
b)
M
c)
R
d)
F
9.
Analyze the seashell found in the white layer. Which statement is true of the rock layer that contains this fossil?
a)
It could also contain a fossil from the bottom layer.
b)
It is older than the layers below it.
c)
It is younger than the layers above it.
d)
It is older than the layers above it.
10.
Analyze the seashell found in the white layer. Which statement is true of the rock layer that contains this fossil?
a)
It could also contain a fossil from the bottom layer.
b)
It is older than the layers below it.
c)
It is younger than the layers above it.
d)
It is older than the layers above it.
11.
How do geologists use relative dating?
a)
Placing rocks in order from youngest to oldest
b)
Placing rocks in order by minerals they contain
c)
Classifying rocks by different textures
d)
Classifying rocks by different isotopes
12.
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
13.
Which rock layer in the diagram seems to be the oldest?
a)
F
b)
E
c)
B
d)
A
14.
According to the law of superposition, which layer is the youngest?
a)
A
b)
B
c)
C
15.
Scientists use radiometric dating (radioactive decay) to measure...
a)
relative time (dating)
b)
absolute time (dating)
c)
half-lives
d)
time of day
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