The Day the Mesozoic Died

Which event is related to the K-T boundary?

• The Mammoth extinction

•  The Dinosaurs extinction

• The Foraminifera extinction

• All of above

Tags

NGSS.HS-LS4-5

NGSS.HS-LS4-2

NGSS.HS-LS4-1

What is unique about the K-T boundary?

• The color it has

• It's enormous width

• The position in the sediments

• Its high concentration of Iridium

Tags

NGSS.HS-LS4-5

What was the reason why the dinosaurs disappeared after the asteroid impact?

• Because of the lack of sunlight

• Due to the enormous energy released after the impact

• As a result of the collapse of the food chain

• All the above were responsible

Tags

NGSS.HS-LS4-5

NGSS.HS-ESS2-4

NGSS.HS-LS2-6

Where was the asteroid crater found that is thought to have wiped out the dinosaurs?

• Sudbury, Ontario

• Chicxulub, Mexico

• Vredefort, South Africa

• Beaverhead, Idaho and Montana border

Tags

NGSS.HS-ESS2-4

Which era is known as the "age of reptiles"?

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

• Precambrian Time

Tags

NGSS.HS-LS4-2

What is called the thin layer of dark clay?

• Walter Alvarez Layer

• Italian layer

• K-T boundary

• Foraminifera's boundary

The K-T boundary can be found in:

• Italy

• Italy and Spain

• Europe 

• Almost all around the world

The K-T boundary separates which two periods in Earth's history?

• Cretaceous and Tertiary

• Cretaceous and Jurassic

• Jurassic and Permian

• Carboniferous and Jurassic

How old is the K-T boundary?

• 65 MYA

• 4.5 BYA

• 2 MYA

• A long time ago

Tags

NGSS.HS-ESS1-6

Where did the Iridium in K-T boundary come from ?

• The explosion of a Supernova

• An asteroid that crashed into the Earth

• The Sun

• The vulcanism that occurred during Carboniferous