Geologic Time Scale review

What is the name of the earliest span of time in Earth history?

• Precambrian
• Mesozoic
• Cenozoic
• Paleozoic

Tags

NGSS.MS-ESS1-4

What era saw the appearance of new mammals and the extinction of others?

• Cenozoic
• Mesozoic
• Paleozoic
• Precambrian

Tags

NGSS.MS-LS4-1

What method of determining relative age involves reading the rock layers and using the law of superposition?

• Carbon dating
• Index fossils
• Ordering of rock layers
• Radiometric dating

Tags

NGSS.MS-ESS1-4

What are the characteristics of an index fossil?

• Lived during any part of Earth's history
• Found in only one location
• Lived only during a short part of Earth's history
• Not widely distributed

What is the relative age of a rock layer if it is farther down in the rock layers?

• Same age
• Younger
• Older
• Cannot be determined

Tags

NGSS.MS-ESS1-4

Which fossil can be used to help find the relative age of rock layers?

• Modern fossil
• Index fossil
• Any fossil
• Extinct fossil

What era began with the early invertebrates and ended with the mass extinction of marine invertebrates and amphibians?

• Cenozoic
• Precambrian
• Mesozoic
• Paleozoic

What are eras divided into?

• Centuries
• Periods
• Days
• Epochs

Tags

NGSS.MS-ESS1-4

What is the law of superposition?

• The oldest rock layer is on top
• Each rock layer is the same age
• Each rock layer is older than the one above it
• The youngest rock layer is on top

Tags

NGSS.MS-ESS1-4

What are the three long units of time in Earth's history?

• Paleozoic, Mesozoic, Cenozoic
• Jurassic, Triassic, Cretaceous
• Eras, Periods, Epochs
• Precambrian, Mesozoic, Cenozoic

Tags

NGSS.MS-ESS1-4