Free Printable Relative Dating

Worksheets

Relative Dating

Total questions: 23

Worksheet time: 30mins

Name

Class

Date

What are the relative ages of the features in order from oldest to youngest?

Limestone, Basalt, Fault, Siltstone

Siltstone, Fault, Basalt, Limestone

Limestone, Fault, Basalt, Siltstone

Limestone, Siltstone, Fault, Basalt

Which of the following is the oldest?

Layer L

Intrusion D

Intrusion H

Layer E

Which of the following correctly lists the layers in order from oldest to youngest?

A, B, C, D, E

E, B, C, D, A

E, D, C, B, A

C, B, A, D, E

Which layer is OLDER? Fault E or Intrusion D?

Fault E

Intrusion D

Used to determine whether an object is older or younger than other objects

Superposition

Relative Dating

Fossil

Unconformity

Which layer is OLDER? Intrusion M or Layer D?

Intrusion M

Layer D

The best index fossils have which two traits?

widespread geographically, long lifespan

widespread geographically, short lifespan

specific place, long lifespan

specific place, short lifespan

_{Which rock layer contains the newest fossils?}

Which fossil makes the best index fossil?

Fossil 1

Fossil 2

Fossil 3

None follow all of the rules

10.

What is the best reason that fossil #4 is NOT a good index fossil?

It is not widespread

it is not short-lived (in numerous layers)

It is in half of the outcrops

11.

Which fossil makes the best index fossil?

ammonite

brachiopod

trilobite

shark

all four are good index fossils

12.

Analyze the seashell found in the white layer. Which statement is true of the rock layer that contains this fossil?

It could also contain a fossil from the bottom layer.

It is older than the layers below it.

It is younger than the layers above it.

It is older than the layers above it.

13.

The Law of Superposition helps scientists to determine what?

The absolute age of rock layers

The age of fossils

The relative age of rock layers

the super powers of rocks

14.

Which of the following can be learned by using the fossil record?

When organisms changed or evolved

when organisms appeared on Earth

when organisms became extinct

All the above

15.

What part of an organism is most likely to become a fossil?

heart

bones

skin

16.

States that younger rocks lie above older rocks if the layers have not been disturbed

Law of crosscutting

Law of superposition

Relative Dating

Unconformity

17.

How does the law of crosscutting explain the age of a fault?

The fault is younger than the rocks above it.

The fault is younger than the rocks it cuts through.

The fault is older than the rocks above it.

The fault is older than the rocks it cuts through.

18.

Used to determine whether an object is older or younger than other objects

Superposition

Relative Dating

Fossil

Unconformity

19.

Traces or remains of organisms that lived long ago

Fossil

Unconformity

Superposition

Column

20.

How have the rocks been disturbed?

tilting

folding

faulting

igneous intrusion

21.

Layer B on side #1 (left) is a match to which layer on side #2 (right)?

there is no match

22.

The diagram below represents a stack of rock layers. These layers have not changed position since they formed. If the age of layer 4 is 400 million years and the age of layer 1 is 500 million years, then the age of Layer 2 is

younger than 400 million years.

400 million years.

older than 500 million years.

between 400 million and 500 million years.

23.

What do you call a crack in the Earth's surface where Earthquake is generated?

CRUST

TYPHOON

FAULT

EPICENTER

100 %

Relative Dating

Total questions: 23

Worksheet time: 30mins

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