Relative Dating and Absolute Dating

According to the law of __________, in horizontal sedimentary rock layers the oldest layer is at the bottom and the youngest layer is at the top. 

• Superposition

• Index Fossil

• Alfred Wegener

• Geologic Records

Tags

NGSS.MS-ESS1-4

The age of a rock compared to the ages of other rocks is the rock's

• absolute age

• geologic age

• sedimentary age

• relative age

Tags

NGSS.MS-ESS1-4

Scientists use radiometric dating (radioactive decay) to measure...

• relative time (dating)

• absolute time (dating)

• half-lives

• time of day

Tags

NGSS.HS-PS1-8

According to the law of superposition, which layer is the youngest?

• A

• B

• C

Tags

NGSS.MS-ESS1-4

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

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

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

Relative dating of rock layers tells us that the deeper we dig, _______.

• the younger the rocks get

• the smellier the rocks get

• the harder the rocks get

• the older the rocks get

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

According to the law of superposition, which layer is the youngest?

• A

• B

• C

Tags

NGSS.MS-ESS1-4