Module 13

Geologists divide the time between Precambrian and the present into three long units called __________.

Tags

NGSS.MS-ESS1-4

Which division of time is the largest?

• Eon

• Era

• Period

• Epoch

Tags

NGSS.MS-ESS1-4

Organize the units of time from the SMALLEST to the LARGEST

• epoch, era, period, eon

• eon, era, period, epoch

• epoch, period, era, eon

• period, epoch, era, eon

Tags

NGSS.MS-ESS1-4

Select ALL statements that are TRUE about the geologic time scale.

• No one person or expert came up with the geologic time scale we use today

• All geologic time scales are represented in the same way.

• geologists will continue to make small but significant changes to the geologic time scale for years to come.

• Most sections of geologic time are marked by major mass extinctions.

Tags

NGSS.MS-ESS1-4

Which time frame is known as the Earliest Age of Earth's History?

• Precambrian

• Cambrian

• Paleozoic

• Mesozoic

Tags

NGSS.MS-ESS1-4

At what point in the Precambrian time did organisms appear?

• Never.

• At the beginning.

• In the middle.

• Towards the end.

True or False: The Precambrian age is characterized by extensive volcanic eruptions and impact events including the formation of the Moon as the early Earth developed for billions of years

• True

• False

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

Check ALL TRUE statements that apply to the Paleozoic Era.

• multi-celled living things started to have more hard body parts, bones, and teeth.

• Early land plants included simple mosses, ferns, and then cone-bearing plants.

• The mass extinction that ended the era caused most land animals to disappear.

• A major geologic event of the Paleozoic was the formation of the supercontinent of Pangaea.

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

What is the name of the extinction that ended the Paleozoic Era?

• Cambrian Explosion

• Permian Mass Extinction

• Devonian Extinction

• Triassic Extinction

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

During the Cenozoic Era, the diversity of life forms _____________________.

• decreased

• increased

• went extinct

• thinned out.

Tags

NGSS.MS-LS4-1