Geological Time Check In

The time it takes half of the atoms of a radioactive element to decay

• relative age
• half-life
• absolute age
• radioactive decay

Tags

NGSS.HS-PS1-8

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

What type of rock do fossils form in?

• Igneous
• Sedimentary
• Metamorphic
• Classic

Tags

NGSS.MS-ESS2-3

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

• A
• B
• C

Tags

NGSS.MS-ESS1-4

Which technique can be used to determine the exact age of a rock?

• Radiometric dating

• Relative dating

Scientists use radioactive decay to measure...

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

Tags

NGSS.HS-PS1-8

what's the half life of this substance?

• 1 day
• 5 days
• 3 days
• 9 days

Tags

NGSS.HS-PS1-8

Which of the following is the oldest?

• Layer L
• Intrusion D
• Intrusion H
• Layer E

Tags

NGSS.MS-ESS1-4

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

Tags

NGSS.MS-ESS1-4

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.

Tags

NGSS.HS-ESS1-5