12.2 Quiz - Geologic Time Scale

Into which units is the geologic time scale subdivided?

• relative ages

• absolute ages

• months and days

• eras and periods

Tags

NGSS.MS-ESS1-4

What do geologists mostly study to develop the geologic time scale?

• Earth's rotation

• tectonic plate motions

• volcanoes and earthquakes

• rock layers and index fossils

Tags

NGSS.MS-ESS1-4

How do geologists use radioactive dating in developing the geologic time scale?

• to identify index fossils

• to identify types of rocks

• to place rocks in order by relative age

• to determine the absolute age of rocks

Tags

NGSS.MS-ESS1-4

The geologic time scale is a record of _____ and ____.

• geologic events

• life forms

• rocks

• layers

Tags

NGSS.MS-ESS1-4

A record of the geologic events and life forms in Earth's history.

• geologic time scale

• era

• period

Tags

NGSS.MS-ESS1-4

One of the three long units of geologic time between Precambrian and the present.

• geologic time scale

• era

• period

Tags

NGSS.MS-ESS1-4

A horizontal row of elements in the periodic table.

• geologic time scale

• era

• period

Which period is in the Paleozoic Era?

• Triassic

• Devonian

• Jurassic

• Paleogene

Which period is in the Mesozoic Era?

• Jurassic

• Paleogene

• Silurian

• Devonian

Tags

NGSS.MS-ESS1-4

Which period is in the Cenozoic Era?

• Devonian

• Cambrian

• Jurassic

• Paleogene

Tags

NGSS.MS-ESS1-4