Relative and Absolute Dating

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

Which rock layer in the diagram seems to be the oldest?

• F

• B

• E

• A

Tags

NGSS.MS-ESS1-4

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

• F

• B

• E

• A

Tags

NGSS.MS-ESS1-4

What is the correct order of the rock layers from oldest to youngest?

• B, C, D, E, A

• E, D, C, B, A

• A, B, C, D, E

• B, C, D, A, E

Tags

NGSS.MS-ESS1-4

Length of time for half the atoms of an isotope to decay

• Isotope

• Half-Life

• Radiometric Dating

• Absolute Dating

Tags

NGSS.HS-PS1-8

Unstable atoms that decay (change) and are considered radioactive

• Isotope

• Half-Life

• Absolute Dating

• Radiometric Dating

Tags

NGSS.HS-PS1-8

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

• relative time (dating)

• absolute time (dating)

• half-lives

• time of day

Tags

NGSS.MS-ESS1-4

How does absolute age differ from relative age?

• only absolute dating indicates which rock is older than another
• only absolute dating finds the age in years
• only relative dating finds the age in years

Which type of dating method can be used on rock layers by applying the Law of Superposition?

• relative dating
• absolute dating
• radioactive dating
• radiometric dating

Tags

NGSS.MS-ESS1-4

The amount of time it takes for 50% of the remaining radioactive material to decay into stable material is called:

• radiocarbon dating
• radioactive decay
• half-life
• successive decay time

Tags

NGSS.HS-PS1-8