Rock Dating Review

How are Sedimentary Rocks formed?

• Cooling and Hardening
• Heat and Pressure
• Compacting and Cementing
• Melting

Tags

NGSS.MS-ESS2-2

In what kind of rock can fossils be found?

• Sedimentary Rocks
• Igneous Rocks
• Metamorphic Rocks
• Granite

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Which layer formed first?

• Rock Layer W
• Rock Layer X
• Rock Layer Y
• Rock Layer Z

Tags

NGSS.MS-ESS1-4

Which rock layer is youngest?

• A
• B
• C
• D

How old is the fossil in layer 7?

• about 1 million years old
• about 205 million years old
• about 500 million years old
• about 300 million years old

A scientist says that layers Y and M are the same age. How does he know this?

• They are found in the same type of rock.
• They are the lowest layers.
• They have the same type of fossil.
• They are near each other.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

___________ states that the earth has changed gradually over long periods of time.

• uniformitarianism
• catrastorphism
• superposition
• disconformities

Scientists use radioactive decay to measure...

• relative time
• absolute time
• half-lives
• time of day

Tags

NGSS.HS-PS1-8

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

Tags

NGSS.MS-ESS1-4

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

• Law of crosscutting
• Law of superposition
• Relative Dating
• Unconformity

Tags

NGSS.MS-ESS1-4