GEOLOGIC TIME SCALE

What is the geologic timescale primarily used to measure?

• A) Human history

• B) The age of Earth

• C) Ancient civilizations

• D) Meteorological events

Tags

NGSS.MS-ESS1-4

Which era is known for the proliferation of dinosaurs?

• A) Precambrian

• B) Paleozoic

• C) Mesozoic

• D) Cenozoic

Tags

NGSS.MS-ESS1-4

The division of Earth's history into eons, eras, periods, and epochs is primarily based on:

• A) Human population growth

• B) Fossil record and rock layers

• C) Astronomical events

• D) Climate change

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which of the following geologic eras came after the Mesozoic era?

• A) Cenozoic

• B) Paleozoic

• C) Precambrian

• D) Neozoic

Tags

NGSS.MS-ESS1-4

Which era marks the beginning of complex life forms and the Cambrian Explosion?

• A) Precambrian

• B) Paleozoic

• C) Mesozoic

• D) Cenozoic