Geological Time Scale

In which time period are we currently living?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-ESS1-4

Jellyfish are one of the oldest species on Earth. In what time period did they first appear?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-LS4-1

In what time period did Pangaea, the super continent, appear?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Dinosaurs, small mammals, and birds are found in this time period.

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-LS4-1

Which fossil is the youngest?

• fossil A

• fossil B

• fossil C

• fossils A and B are the same age

Tags

NGSS.MS-ESS1-4

This chronological time chart is broken into different time chunks, the largest being the Eon, then Era, Period, and Epoch.

• Timeline

• Calendar

• Geological time scale

• Time chart

Tags

NGSS.MS-ESS1-4

Approximately how old is the Earth?

• 4.6 billion years old

• 4.6 million years old

• 5 billion years old

• 5 million years old

Tags

NGSS.MS-ESS1-4

The end of life for a group of organisms, usually a species, is called a(n) ________________.

• Extinction

• Retirement

• Endangerment

• Catastrophe

Tags

NGSS.MS-LS4-1

What division of time was the longest ?

• Paleozoic

• Mesozoic

• Cenozoic

• Precambrian

Tags

NGSS.MS-ESS1-4

When did Precambrian time end

• 542 million years ago

• 4.5 Billion years ago

• 3.65 Billion years ago

• 3.8 Billion years

Tags

NGSS.MS-ESS1-4