Unit 10 Part 2 Geologic Time

What is the record of life forms and geological events in Earth's history?

• Geologic Time Scale

• Radioactive Dating

• Relative Dating

• Law of Superposition

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

What did scientists use to develop the geologic time scale?

• Minerals

• Rock layers and fossils

• Live animals and plants

• Weather patterns

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NGSS.MS-ESS1-4

What helped scientists determine the absolute divisions of the time scale?

• Relative dating

• Mountains

• Radioactive dating

• Oceans

What is the largest division of the geologic time scale?

• Era

• Eon

• Period

• Epoch

Tags

NGSS.MS-ESS1-4

Periods are subdivided into __________ .

• Eras

• Ages

• Eons

• Epochs

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NGSS.MS-ESS1-4

Major changes in the Earth's history mark the boundaries between geologic sections.

• True

• False

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NGSS.MS-ESS1-4

Sections of the geologic time scale is divided by the exact same number of years.

• True

• False

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NGSS.MS-ESS1-4

Eons are subdivided into ________ .

• Periods

• Eras

• Epochs

• Ages

Eras are subdivided into _________ .

• Periods

• Eons

• Epochs

• Ages

Tags

NGSS.MS-ESS1-4

What is the order of the geologic time scale from longest to shortest?

• Era, Eon, Period, Epoch

• Eon, Era, Period, Epoch

• Eon, Era, Epoch, Period

• Eon, Period, Era, Epoch

Tags

NGSS.MS-ESS1-4