7th Grade Earth's Geological Timeline Final Exam

Which of the these is the longest amount of time?

• Era

• Epoch

• Period

What era is considered the middle era?

• Paleozoic 
• Cenozoic 
• Pre Cambrian 
• Mesozoic 

What determines when an era or period begins or ends? 

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

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

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

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

NGSS.MS-LS4-1

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

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