Earth Science: Geologic Time Review

Which of these is the best indication of the relative age of a rock layer?

• The chemical make-up of the layer

• The thickness of the layer

• The position of the layer compared to another layer

• The distance of the layer extending over Earth

Tags

NGSS.MS-ESS1-4

Traces or remains of organisms that lived long ago

• Fossil
• Unconformity
• Superposition
• Column

Tags

NGSS.MS-LS4-1

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.

Tags

NGSS.MS-ESS1-4

How do geologists use relative dating?

• Placing rocks in order from youngest to oldest
• Placing rocks in order by minerals they contain
• Classifying rocks by different textures
• Classifying rocks by different isotopes

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

Tags

NGSS.MS-ESS1-4

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

Tags

NGSS.MS-ESS1-4

_{Which rock layer in the diagram seems to be the oldest?}

• F
• E
• B
• A

Tags

NGSS.MS-ESS1-4

This picture shows light-colored granite and darker diorite (igneous). Which statement is true?

• Granite (light) is younger because it is more continental.

• Granite is younger because it crosscuts the diorite.

• Diorite is older because its weathered surfaces are darker.

• All of these statements are true.

Tags

NGSS.MS-ESS1-4

Which of the following geologic events would have happened most recently?

• rock formation of 3

• rock formation of 6

• rock formation of 2

• rock formation of 1

Tags

NGSS.MS-ESS1-4

Which layer is the oldest?

• layer M

• layer D

• layer B

• layer A

Tags

NGSS.MS-ESS1-4