Geologic Time Review

What is the name for the span of time since the formation of Earth, 4.6 billion years?

• Geology

• Metric System

• Geologic Time

• Earth System

Tags

NGSS.MS-ESS1-4

Which division of Geologic Time is the largest?

• Eons

• Eras

• Periods

• Epochs

Tags

NGSS.MS-ESS1-4

In which Eon did Earth have hellish condtions?

• Phanerozoic

• Prototerozoic

• Archean

• Hadean

Which eon accounts for about 90% of Earth's history?

• Precambrian

• Hadean

• Proterozoic

• Phanerozoic

Tags

NGSS.MS-ESS1-4

During which era did the formation of Pangaea begin?

• Cenozoic

• Mesozoic

• Paleozoic

• Phanerozoic

Tags

NGSS.MS-ESS2-3

How do we date geologic materials?

• radiometric dating

• relative age dating

• absolute age dating

• geometric age dating

Which type of age dating is qualitative and involves the relative order or sequence of events?

• radiometric dating

• relative age dating

• absolute age dating

• geometric age dating

What type of age dating is quantitative and involves actual number of years since an event?

• radiometric age dating

• relative age dating

• absolute age dating

• geometric age dating

Which geologic principle os summarized by the phrase: "the present is the key to the past"?

• uniformitarianism

• superposition

• inclusions

• cross-cutting relationships

Which law states that rock fragments (inclusions) are always older than the rock they are found in?

• uniformitarianism

• superposition

• inclusions

• cross-cutting relationships