Geologic Time Scale

What is the name for the timeline that organizes earth's history?

• WWI timeline

• biographical timeline

• geologic time scale

• musical scale

Tags

NGSS.MS-ESS1-4

How old have some scientists estimated the earth to be?

• 4.6 millions years old

• 4.6 billion years old

• 460 years old

• 4.6 trillion years old

Tags

NGSS.MS-ESS1-4

The geologic time scale is divided into different sections of time. Rank the names of the sections of time from largest time span to smallest time span.

• 1) Periods

  2) Epochs

  3) Eras

  4) Eons

  5) Ages

• 1) Eons

  2) Periods

  3) Eras

  4) Epochs

  5) Ages

• 1) Epochs

  2) Eras

  3) Periods

  4) Eons

  5) Ages

• 1) Eons

  2) Eras

  3) Periods

  4) Epochs

  5) Ages

Tags

NGSS.MS-ESS1-4

Which era is also known as the "age of the mammals"?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Which era is also known as the "age of the reptiles" or "age of the dinosaurs"?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Which era is also known as the "age of the fish"?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Which era is broken down further into the Cretaceous Period, Jurassic Period, and Triassic Period?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-ESS1-4

Order the divisions of geologic time from the longest to the shortest.

• eras, eons, periods

• periods, eras, eons

• periods, eons, eras

• 1. eons, eras, periods

Tags

NGSS.MS-ESS1-4

Mass extinctions occurred at the end of both the ______________ and the _______________ Eras.

• Paleozoic and Cenozoic

• Cenozoic and Mesozoic

• Paleozoic and Mesozoic

• None of the above

Tags

NGSS.MS-LS4-1

During which time segment of the Geologic Time Scale did life first appear?

• Cenozoic Era

• Mesozoic Era

• Paleozoic Era

• Precambrian Time

Tags

NGSS.MS-LS4-1