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Geological Time Scale!

Total questions: 32

Worksheet time: 27mins

Name
Class
Date
1.

Finding the age of a rock or event WITH OUT using an exact date?

a)

relative dating

b)

carbon dating

c)

uranium dating

d)

absolute dating

2.

In which time period are we currently living?

a)

Precambrian Time

b)

Paleozoic Era

c)

Mesozoic Era

d)

Cenozoic Era

3.

Jellyfish are one of the oldest species on Earth. In what time period did they first appear?

a)

Precambrian Time

b)

Paleozoic Era

c)

Mesozoic Era

d)

Cenozoic Era

4.

In what time period did Pangaea, the super continent, appear?

a)

Precambrian Time

b)

Paleozoic Era

c)

Mesozoic Era

d)

Cenozoic Era

5.

Dinosaurs, small mammals, and birds are found in this time period.

a)

Precambrian Time

b)

Paleozoic Era

c)

Mesozoic Era

d)

Cenozoic Era

6.

Which fossil is the youngest?

a)

fossil A

b)

fossil B

c)

fossil C

d)

fossils A and B are the same age

7.

What is the importance of studying fossils?

a)

to provide information about how current life forms would exist in previous environmental conditions

b)

to provide information about how life and environmental conditions may have changed

c)

to provide information about how previous life forms would exist in current environmental conditions

8.

6. A branch of geology dealing with the arrangement of sedimentary rock layers or strata?

a)

Stratigraphy

b)

Geography

c)

Photography

d)

Biography

9.

Geologists assume the newest rock layers are on top of the older ones, unless some type of disturbance occurs, in known as …

a)

Law of Inclusions

b)

Law of Crosscutting

c)

Law of Conservation

d)

Law of Superposition

10.

Determines the “relative” order of past events but not the absolute age.

a)

Absolute age

b)

Relative age

c)

Real age

d)

New age

11.
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
12.
Which of the following occurred relatively most recently?
a)
Basalt intrusion
b)
Breccia
c)
Conglomerate
d)
Sandstone
13.
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
14.
Which of the following rock layers is relatively the oldest?
a)
H
b)
P
c)
L
d)
M
15.
Which of the following occurred relatively most recently?
a)
A
b)
B
c)
C
d)
D
16.
Which fossil is relatively the oldest?
a)
Trilobite
b)
Ammonite
c)
Crinoid
d)
Gastropod
17.
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
18.
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
19.
Which rock layer in the diagram seems to be the oldest?
a)
F
b)
E
c)
B
d)
A
20.
According to the law of superposition, which layer is the youngest?
a)
A
b)
B
c)
C
21.

Which rock strata is the youngest?

a)

A

b)

B

c)

C

d)

D

e)

E

22.

Which rock strata is the oldest?

a)

A

b)

B

c)

C

d)

D

e)

E

23.

Which relative rock dating law(s) are shown in the image?

a)

Law of superposition only.

b)

Law of superposition and crosscutting.

c)

Law of inclusion and superposition.

d)

Law of inclusion only.

24.

Putting laundry in the basket over time best illustrates which rocking dating law?

a)

Radioactive dating.

b)

Law of superposition.

c)

Law of crosscutting.

d)

Law of inclusion.

25.

What is the principle that states Earth's processes occurring today are similar to those that occurred in the past?

a)

Index fossils

b)

Unconformities

c)

Uniformitaianism

d)

Superposition

26.

What is an unfonformity in rock strata?

a)

a missing interval in the strata record.

b)

an interruption in rock strata by weather and erosion.

c)

an interruption in rock strata by earthquakes or magma.

d)

All of the above.

27.

Dinosaurs and early human ancestors coexisted at one time.

a)

True

b)

False

28.

Which statement(s) are true about the rock strata shown?

a)

Fossils 2 and 4 lived around the same time.

b)

Fossils 3 and 6 lived around the same time.

c)

Fossil 1 is younger than fossil 4.

d)

Fossil 5 is younger than fossil 2.

29.

Which image best shows the law of inclusion?

a)
b)
c)
d)
30.

Which type of rock do fossils form in?

a)

Sedimentary

b)

Intrusive igneous

c)

Extrusive igneous

d)

Metamorphic

31.

Which of the following does NOT preserve fossils?

a)

Amber (tree sap)

b)

Tar

c)

Ice

d)

Magma

32.

A majority of the fossil record we have is of

a)

dinosaurs.

b)

marine creatures.

c)

plant specimens.

d)

insects.