Reading Earth's Timeline

Which of the these is the longest amount of time?

• Era

• Epoch

• Period

What determines when an era or period begins or ends? 

• Climate Change 
• New Species 
• Mass Extinction 
• Single Extinction 

Tags

NGSS.HS-ESS1-5

How old is the Earth? 

• 65 million years old 
• 4.6 billion years old 
• 6.4 billion years old
• 5 million years old 

Tags

NGSS.MS-ESS1-4

What era do we (humans) live in?

• Cenozoic

• Paleozoic

• Mesozoic

• Pre Cambrian

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

• Paleozoic Era

• Mesozoic Era

• Triassic Era

• Cenozoic Era

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-LS4-1

True or False: Fossils did not help scientists construct Earth's Geological Timescale.

• True

• False

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which is the oldest era?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

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