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Stratified Rocks

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

Where does the oldest layer of a rock is located according to the Principle of Superposition?

a)

bottom

b)

middle

c)

random

d)

top

2.

This evidence of ancient life can be found in the stratified rock

a)

fossils

b)

layering

c)

puzzle

d)

all of the above

3.

The following are natural processes influencing rock stratification, EXCEPT:

a)

burning

b)

cementing

c)

cooling

d)

melting

4.

Dikes and faults are being used for establishing sequences of events. This activity applies the principle of ___________________.

a)

faunal succession

b)

lateral continuity

c)

original horizontality

d)

superposition

5.
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
6.
The length of time required for half of the radioactive atoms in a sample to decay is its...
a)
era
b)
age
c)
half-life
d)
eon
7.
The time it takes for 50% of the nuclei in a radioactive sample to decay to its stable isotope is called _____.
a)
the daughter product
b)
geologic time
c)
the half-life
d)
the half-time
8.

What is the law of superposition?

a)

The age of sedimentary rock not found in the original layers.

b)

Metamorphic rock is younger than the nearby igneous rock.

c)

Sedimentary rock in it's original position is older than layers above it.

d)

Metamorphic rock is older because it was deposited to nearby sedimentary rock.

9.

Which rock layer in the diagram seems to be the oldest?

a)

F

b)

B

c)

E

d)

A

10.

Which of the following is the oldest?

a)

Layer L

b)

Intrusion H

c)

Intrusion D

d)

Layer E