Geological Timescale and Extinction

What Era is also referred to as the Age of the Fish?

• Paleozoic Era

• Permian Era

• Cenozoic Era

• Pre Cambrian Time

When did the dinosaurs go extinct?  

• In the Pre Cambrian Time

• End of the Mesozoic Era

• Start of the Mesozoic Era

• 100 MYA

Tags

NGSS.MS-ESS1-4

True or False: Some of the dates on a Geological Timeline are approximates (estimates) predicted by scientists who study the history of the Earth.

• True

• False

Tags

NGSS.MS-ESS1-4

During the Mesozoic Era we find the following Periods:

• Cretaceous, Permian, Cambrian

• Silurian, Cambrian, Devonian

• Triassic, Jurassic, Cretaceous

• Triassic, Jurassic, Devonian

Tags

NGSS.MS-ESS1-4

Which of the Eras lasted for the longest period of time? 

• Paleozoic

• Precambrian

• Mesozoic

• Cenozoic

Tags

NGSS.MS-ESS1-4

According to the law of superposition, the oldest fossils are found 

• At the top of the rock layers

• Near the bottom of the rock layers

• In the middle of the rock layers

• Somewhat near the surface

Tags

NGSS.MS-ESS1-4

this is also known as the age of dinosaurs

• paleozoic

• mesozoic

• cenozoic

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What is the next smallest division of time after eras in the geological timescale?

• Eon

• Epoch

• Age

• Period

Tags

NGSS.MS-ESS1-4

What era is referred to as the Age of the Mammals?

• Paleozoic Era

• Mesozoic Era

• Triassic Era

• Cenozoic Era

What is the main purpose of the geologic time scale?

• To organize the major eras of Earth's history

• To compare very short and very long periods of time

• To compete with other, non-geologic time scales

• To help understand that the planet is really old

Tags

NGSS.MS-ESS1-4