Historical Geology Review

What is the name of the most recent era in geologic time?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

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NGSS.MS-ESS1-4

Which era lasted the longest?

• Cenozoic

• Mesozoic

• Paleozoic

• Precambrian

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NGSS.MS-ESS1-4

The Earth is _____________________ years old.

• 4.6 million

• 4.6 billion

• 4.6 trillion

• 4.6 zillion

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NGSS.MS-ESS1-4

What is the largest/major unit of geologic time?

• Epoch

• Period

• Era

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NGSS.MS-ESS1-4

Dinosaurs, small mammals, and birds are found in this time period.

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

What are fossils that are abundant, easily recognizable, short lived, and widespread called?

• Preserved fossils

• Index fossils

• Imprints

• Radioactive dating

The Law of Superposition states

• Younger rocks layers are on top of older rock layers

• Fossils are found in sedimentary rocks

• Older rock layers are on top of younger rock layers

• Absolute age dating

Tags

NGSS.MS-ESS1-4

Saying you are older than your sister is an example of?

• Absolute age dating

• Relative age dating

• Fossils

• Radioactive dating

What does absolute age tell us about a rock layer or fossil?

• The 'exact' age of a fossil determined by radiometric dating

• The relative age of a fossil determined by radiometric dating

• Younger rock layers sit on top of older rock layers

• Older rock layers sit on top of younger rock layers

Tags

NGSS.MS-ESS1-4

The end of the Mesozoic Era was most likely caused by?

• A meteor

• Too much oxygen

• Lowering sea levels

• An ice age

Tags

NGSS.MS-LS4-1