Geological Time Scale

Approximately how long ago did the earth form?

• 4.6 billion years ago
• 4.2 billion years ago
• 3.8 billion years ago
• 3. 6 billion years ago

Tags

NGSS.MS-ESS1-4

What is the largest division of time in the geological timescale?

• Eon

• Era

• Epoch

• Period

Tags

NGSS.MS-ESS1-4

Periods are broken up into smaller chunks of time called?

• Epochs
• Periods 
• Jurrasic
• Ions

Tags

NGSS.MS-ESS1-4

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

• Eon

• Epoch

• Age

• Period

Tags

NGSS.MS-ESS1-4

The Phanerozoic Eon consists of the Mesozoic, Cenozoic and _________ Eras?

• Cretaceous
• Devonian
• Paleozoic
• Archaen

Tags

NGSS.MS-ESS1-4

The Mesozoic era is known as the "Age of Reptiles"

• True
• False

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Cells without a nucleus are said to be _____________________.

• Eukaryotic
• Prokaryotic

Tags

NGSS.MS-LS1-1

Eukaryotic life evolved during the _______________ eon.

• Hadean
• Archea
• Proterozoic
• Phanerozoic

Which eon name relates to visible life?

• Hadean

• Archean

• Phanerozoic

• Proterozoic

We live in the _______________ Eon?

• Cenozoic
• Precambrian
• Phaneozoic
• Paleozoic

Tags

NGSS.HS-ESS1-6