Relative and Absolute Dating

What is relative dating?

• A. A method used to determine the absolute age of a fossil in years
• B. A technique that determines the order of events or objects without exact dates
• C. The comparison of DNA sequences in fossils
• D. A process used to measure the radioactive decay of isotopes

What is radioactive decay?

• A. The breakdown of rocks due to weathering
• B. The process by which unstable atomic nuclei lose energy over time
• C. The layering of sediment over time
• D. The formation of fossils in sedimentary rock

Which dating method provides the actual age of a rock or fossil in years?

• A. Relative Dating
• B. Superposition
• C. Absolute Dating
• D. Fossil Succession

What is an unconformity in the geologic record?

• A. A continuous layer of unbroken rock
• B. A place where new rock layers meet older, eroded rock layers which creates a gap in time
• C. A type of fossil with no known age
• D. A layer of igneous rock within sedimentary layers

Tags

NGSS.MS-ESS1-4

Which of the following best describes an index fossil?

• A. A fossil found deep underground
• B. A fossil that appears randomly in the rock record
• C. A fossil known to have lived in a specific time period, used to date rock layers
• D. A fossil of a living species

Which of the following is the oldest?

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

Tags

NGSS.MS-ESS1-4

Letter "F" is a....

• inclusion
• intrusion
• fault
• unconformity

What is the most recent event?

• E
• B
• C
• D

Tags

NGSS.MS-ESS1-4

Which layer is OLDER?

• Fault E
• Intrusion D
• Layer A
• Layer C

Tags

NGSS.MS-ESS1-4

What is the oldest feature?

• A
• Fault
• E
• C
• B

Tags

NGSS.MS-ESS1-4